FZHW50 PHFO 191831
CWFHFO
Coastal Waters Forecast
National Weather Service Honolulu HI
830 AM HST Mon May 19 2025
Hawaiian coastal waters within 40 nautical miles including the
Hawaiian Islands Humpback Whale National Marine Sanctuary.
PHZ100-200700-
830 AM HST Mon May 19 2025
.Synopsis for Hawaiian coastal waters...
High pressure will remain anchored north or northeast of the
state through much of this week. Moderate to locally fresh trade
winds will increase slightly Tuesday through the remainder of the
week to fresh to locally strong.
$$
PHZ110-200700-
Kauai Northwest Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Scattered showers in the
morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers.
.WEDNESDAY...East northeast winds to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Scattered showers in the
morning. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers.
.THURSDAY...East northeast winds to 20 knots. Seas 5 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Isolated showers through
the night. Scattered showers through the day.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 5 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Scattered showers in the
morning. Isolated showers in the afternoon, then scattered
showers through the day.
$$
PHZ111-200700-
Kauai Windward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 8 seconds. Isolated showers.
.TONIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 8 seconds. Scattered showers.
.TUESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Scattered showers, mainly
in the morning.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers.
.WEDNESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Scattered showers.
.FRIDAY...East winds to 20 knots. Seas to 6 feet. Wave Detail:
East 6 feet at 7 seconds. Scattered showers in the morning, then
isolated showers in the afternoon. Scattered showers through the
day.
$$
PHZ112-200700-
Kauai Leeward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Hazy. Scattered showers.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Hazy in the evening. Scattered
showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to
6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers
after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. Seas to 5 feet. Wave Detail: East
5 feet at 6 seconds. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
6 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers.
.THURSDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at
7 seconds. Isolated showers through the night. Scattered showers
through the day.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Isolated showers.
$$
PHZ113-200700-
Kauai Channel-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Hazy. Scattered showers
this morning. Isolated showers this afternoon.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers in the
morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers
in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to
6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.THURSDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at
7 seconds. Isolated showers in the morning, then scattered
showers.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 5 to 6 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Isolated
showers.
$$
PHZ114-200700-
Oahu Windward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 8 seconds. Scattered showers.
.TONIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 8 seconds. Scattered showers.
.TUESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Scattered showers in the
morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas to 5 feet.
Wave Detail: East 5 feet at 7 seconds.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.THURSDAY...East winds 20 to 25 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers through the
night. Scattered showers through the day.
.FRIDAY...East winds 20 to 25 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers, then
scattered showers after midnight.
$$
PHZ115-200700-
Oahu Leeward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Scattered showers this morning.
Hazy.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 6 seconds. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers
in the morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated
showers after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated
showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East southeast 5 feet at 6 seconds.
Scattered showers.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers after
midnight.
$$
PHZ116-200700-
Kaiwi Channel-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Scattered showers this
morning. Isolated showers this afternoon.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 5 seconds. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Scattered showers in the
morning.
.TUESDAY NIGHT...East northeast winds to 20 knots, easing to
15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East
5 feet at 6 seconds. Isolated showers after midnight.
.WEDNESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 5 seconds.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.THURSDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at
6 seconds. Isolated showers after midnight.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 6 seconds.
$$
PHZ117-200700-
Maui County Windward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds. Scattered showers this morning,
then numerous showers this afternoon.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds. Numerous showers, mainly in the
evening.
.TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds. Scattered showers.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Scattered showers.
.WEDNESDAY...East winds 15 to 20 knots, becoming east northeast
20 to 25 knots in the afternoon. Seas 4 to 5 feet. Wave Detail:
East 5 feet at 7 seconds. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots, becoming
east 15 to 20 knots after midnight. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots, rising to 25 to 30 knots
in the afternoon, easing to 20 to 25 knots. Seas 5 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Scattered showers.
.FRIDAY...East winds 20 to 25 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Scattered showers in the
morning. Isolated showers in the afternoon, then scattered
showers through the day.
$$
PHZ118-200700-
Maui County Leeward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 10 to 15 knots, becoming east northeast 15 to
20 knots this afternoon. Seas 3 to 5 feet. Wave Detail: East
southeast 4 feet at 6 seconds. Scattered showers this morning.
.TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 6 seconds.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers
in the morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East southeast 5 feet at 7 seconds.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East southeast 4 feet at 6 seconds.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East southeast 5 feet at 7 seconds.
Scattered showers in the evening. Isolated showers after
midnight.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated
showers in the evening.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 5 feet at 6 seconds.
$$
PHZ119-200700-
Maalaea Bay-
831 AM HST Mon May 19 2025
.TODAY...North winds to 20 knots. Seas to 2 feet or less.
.TONIGHT...North winds to 20 knots. Seas to 2 feet or less.
.TUESDAY...North winds 20 to 25 knots. Seas to 2 feet or less.
.TUESDAY NIGHT...North winds to 25 knots, becoming north
northeast 15 to 20 knots after midnight. Seas to 2 feet or less.
.WEDNESDAY...Northeast winds 15 to 20 knots, becoming east
northeast 10 to 15 knots in the afternoon. Seas to 2 feet or
less.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
2 feet or less.
.THURSDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots. Seas to 2 feet or less.
.FRIDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the evening, easing to 10 to 15 knots after midnight.
Seas to 2 feet or less.
$$
PHZ120-200700-
Pailolo Channel-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 4 seconds. Scattered showers.
.TUESDAY...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 5 seconds. Scattered showers in the
morning.
.TUESDAY NIGHT...East northeast winds 20 to 25 knots, easing to
15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail:
East 4 feet at 5 seconds. Isolated showers in the evening.
.WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East
4 feet at 5 seconds.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots, easing to
15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail:
East 4 feet at 5 seconds.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 5 seconds.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 5 seconds.
$$
PHZ121-200700-
Alenuihaha Channel-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Hazy. Scattered showers.
.TONIGHT...East northeast winds to 20 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 6 seconds. Scattered showers.
.TUESDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: East 7 feet at 6 seconds. Scattered showers in the
morning. Isolated showers in the afternoon.
.TUESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Wave Detail: East 7 feet at 6 seconds. Isolated showers.
.WEDNESDAY...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers
in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 25 to 30 knots, easing to
20 to 25 knots after midnight. Seas 5 to 7 feet. Wave Detail:
East 7 feet at 6 seconds. Scattered showers.
.THURSDAY...East northeast winds 20 to 25 knots, rising to 25 to
30 knots. Seas 5 to 8 feet. Wave Detail: East northeast 8 feet at
6 seconds. Isolated showers.
.FRIDAY...East northeast winds 20 to 25 knots, rising to 25 to
30 knots in the afternoon and evening, easing to 20 to 25 knots
after midnight. Seas 4 to 6 feet. Wave Detail: East 6 feet at
6 seconds. Isolated showers. Scattered showers after midnight.
$$
PHZ122-200700-
Big Island Windward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 8 seconds. Occasional showers.
.TONIGHT...East winds 15 to 20 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 8 seconds. Occasional showers, mainly in
the evening.
.TUESDAY...East winds 15 to 20 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 8 seconds. Scattered showers, mainly in
the morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots, becoming
east 10 to 15 knots after midnight. Seas to 4 feet. Wave Detail:
East 4 feet at 8 seconds. Isolated showers in the evening.
Scattered showers after midnight.
.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 8 seconds. Isolated showers in the
morning. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 8 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots, rising to 20 to 25 knots
in the evening, easing to 15 to 20 knots after midnight. Seas
4 to 5 feet. Wave Detail: East 5 feet at 8 seconds and south
3 feet at 18 seconds. Isolated showers through the night, then
scattered showers in the evening. Isolated showers after
midnight.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 4 feet at 8 seconds and south 3 feet at 16 seconds.
Isolated showers through the night, then scattered showers
through the day.
$$
PHZ123-200700-
Big Island Leeward Waters-
831 AM HST Mon May 19 2025
.TODAY...West of the Big Island, northwest winds 7 to 10 knots,
backing to west southwest this afternoon. Near South Point, east
winds to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast
4 feet at 5 seconds. Hazy. Scattered showers this morning.
Isolated showers this afternoon.
.TONIGHT...West of the Big Island, northwest winds 7 to 10 knots,
veering to north northwest 10 to 15 knots after midnight. Near
South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East northeast 4 feet at 5 seconds. Hazy. Scattered
showers.
.TUESDAY...West of the Big Island, northwest winds 7 to 10 knots,
backing to west southwest 10 to 15 knots in the afternoon. Near
South Point, east winds 20 to 25 knots. Seas 3 to 5 feet. Wave
Detail: East northeast 5 feet at 6 seconds. Hazy. Isolated
showers.
.TUESDAY NIGHT...West of the Big Island, southeast winds 10 to
15 knots, backing to north 7 to 10 knots after midnight. Near
South Point, east winds to 20 knots. Seas 4 to 6 feet. Wave
Detail: East northeast 6 feet at 6 seconds. Hazy. Isolated
showers in the evening. Scattered showers after midnight.
.WEDNESDAY...West of the Big Island, north winds 7 to 10 knots,
backing to west southwest in the afternoon. Near South Point,
east winds 20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East
northeast 5 feet at 5 seconds. Hazy. Scattered showers.
.WEDNESDAY NIGHT...West of the Big Island, northwest winds to
10 knots. Near South Point, east winds 25 to 30 knots, becoming
to 25 knots after midnight. Seas 4 to 6 feet. Wave Detail: East
6 feet at 6 seconds. Hazy. Scattered showers.
.THURSDAY...West of the Big Island, north northeast winds 7 to
10 knots, backing to west to 10 knots in the afternoon and
evening, backing to southwest after midnight. Near South Point,
east winds 25 to 30 knots. Seas 4 to 6 feet. Wave Detail: East
6 feet at 6 seconds. Isolated showers.
.FRIDAY...West of the Big Island, north winds 7 to 10 knots,
backing to west southwest to 10 knots. Near South Point, east
winds 25 to 30 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet
at 6 seconds. Isolated showers. Scattered showers after midnight.
$$
PHZ124-200700-
Big Island Southeast Waters-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 8 seconds. Hazy. Numerous showers
this morning. Scattered showers this afternoon.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Hazy. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Scattered showers in the
morning. Hazy.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Hazy. Isolated
showers in the evening. Scattered showers after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: East
5 feet at 5 seconds. Hazy. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 5 seconds. Hazy. Scattered
showers.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Wave Detail: East 6 feet at 6 seconds and south southwest
3 feet at 18 seconds. Isolated showers.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: East 6 feet at 6 seconds and south southwest 3 feet
at 17 seconds. Isolated showers through the day.
$$
CWFHFO
Coastal Waters Forecast
National Weather Service Honolulu HI
830 AM HST Mon May 19 2025
Hawaiian coastal waters within 40 nautical miles including the
Hawaiian Islands Humpback Whale National Marine Sanctuary.
PHZ100-200700-
830 AM HST Mon May 19 2025
.Synopsis for Hawaiian coastal waters...
High pressure will remain anchored north or northeast of the
state through much of this week. Moderate to locally fresh trade
winds will increase slightly Tuesday through the remainder of the
week to fresh to locally strong.
$$
PHZ110-200700-
Kauai Northwest Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Scattered showers in the
morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers.
.WEDNESDAY...East northeast winds to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Scattered showers in the
morning. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers.
.THURSDAY...East northeast winds to 20 knots. Seas 5 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Isolated showers through
the night. Scattered showers through the day.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 5 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Scattered showers in the
morning. Isolated showers in the afternoon, then scattered
showers through the day.
$$
PHZ111-200700-
Kauai Windward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 8 seconds. Isolated showers.
.TONIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 8 seconds. Scattered showers.
.TUESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Scattered showers, mainly
in the morning.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers.
.WEDNESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Scattered showers.
.FRIDAY...East winds to 20 knots. Seas to 6 feet. Wave Detail:
East 6 feet at 7 seconds. Scattered showers in the morning, then
isolated showers in the afternoon. Scattered showers through the
day.
$$
PHZ112-200700-
Kauai Leeward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Hazy. Scattered showers.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Hazy in the evening. Scattered
showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to
6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers
after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. Seas to 5 feet. Wave Detail: East
5 feet at 6 seconds. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
6 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers.
.THURSDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at
7 seconds. Isolated showers through the night. Scattered showers
through the day.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Isolated showers.
$$
PHZ113-200700-
Kauai Channel-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Hazy. Scattered showers
this morning. Isolated showers this afternoon.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers in the
morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers
in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to
6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.THURSDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at
7 seconds. Isolated showers in the morning, then scattered
showers.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 5 to 6 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Isolated
showers.
$$
PHZ114-200700-
Oahu Windward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 8 seconds. Scattered showers.
.TONIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 8 seconds. Scattered showers.
.TUESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Scattered showers in the
morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas to 5 feet.
Wave Detail: East 5 feet at 7 seconds.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.THURSDAY...East winds 20 to 25 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers through the
night. Scattered showers through the day.
.FRIDAY...East winds 20 to 25 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers, then
scattered showers after midnight.
$$
PHZ115-200700-
Oahu Leeward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Scattered showers this morning.
Hazy.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 6 seconds. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers
in the morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated
showers after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated
showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East southeast 5 feet at 6 seconds.
Scattered showers.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers after
midnight.
$$
PHZ116-200700-
Kaiwi Channel-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Scattered showers this
morning. Isolated showers this afternoon.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 5 seconds. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Scattered showers in the
morning.
.TUESDAY NIGHT...East northeast winds to 20 knots, easing to
15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East
5 feet at 6 seconds. Isolated showers after midnight.
.WEDNESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 5 seconds.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.THURSDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at
6 seconds. Isolated showers after midnight.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 6 seconds.
$$
PHZ117-200700-
Maui County Windward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds. Scattered showers this morning,
then numerous showers this afternoon.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds. Numerous showers, mainly in the
evening.
.TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds. Scattered showers.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Scattered showers.
.WEDNESDAY...East winds 15 to 20 knots, becoming east northeast
20 to 25 knots in the afternoon. Seas 4 to 5 feet. Wave Detail:
East 5 feet at 7 seconds. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots, becoming
east 15 to 20 knots after midnight. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots, rising to 25 to 30 knots
in the afternoon, easing to 20 to 25 knots. Seas 5 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Scattered showers.
.FRIDAY...East winds 20 to 25 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Scattered showers in the
morning. Isolated showers in the afternoon, then scattered
showers through the day.
$$
PHZ118-200700-
Maui County Leeward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 10 to 15 knots, becoming east northeast 15 to
20 knots this afternoon. Seas 3 to 5 feet. Wave Detail: East
southeast 4 feet at 6 seconds. Scattered showers this morning.
.TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 6 seconds.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers
in the morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East southeast 5 feet at 7 seconds.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East southeast 4 feet at 6 seconds.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East southeast 5 feet at 7 seconds.
Scattered showers in the evening. Isolated showers after
midnight.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated
showers in the evening.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 5 feet at 6 seconds.
$$
PHZ119-200700-
Maalaea Bay-
831 AM HST Mon May 19 2025
.TODAY...North winds to 20 knots. Seas to 2 feet or less.
.TONIGHT...North winds to 20 knots. Seas to 2 feet or less.
.TUESDAY...North winds 20 to 25 knots. Seas to 2 feet or less.
.TUESDAY NIGHT...North winds to 25 knots, becoming north
northeast 15 to 20 knots after midnight. Seas to 2 feet or less.
.WEDNESDAY...Northeast winds 15 to 20 knots, becoming east
northeast 10 to 15 knots in the afternoon. Seas to 2 feet or
less.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
2 feet or less.
.THURSDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots. Seas to 2 feet or less.
.FRIDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the evening, easing to 10 to 15 knots after midnight.
Seas to 2 feet or less.
$$
PHZ120-200700-
Pailolo Channel-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 4 seconds. Scattered showers.
.TUESDAY...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 5 seconds. Scattered showers in the
morning.
.TUESDAY NIGHT...East northeast winds 20 to 25 knots, easing to
15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail:
East 4 feet at 5 seconds. Isolated showers in the evening.
.WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East
4 feet at 5 seconds.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots, easing to
15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail:
East 4 feet at 5 seconds.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 5 seconds.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 5 seconds.
$$
PHZ121-200700-
Alenuihaha Channel-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Hazy. Scattered showers.
.TONIGHT...East northeast winds to 20 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 6 seconds. Scattered showers.
.TUESDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: East 7 feet at 6 seconds. Scattered showers in the
morning. Isolated showers in the afternoon.
.TUESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Wave Detail: East 7 feet at 6 seconds. Isolated showers.
.WEDNESDAY...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers
in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 25 to 30 knots, easing to
20 to 25 knots after midnight. Seas 5 to 7 feet. Wave Detail:
East 7 feet at 6 seconds. Scattered showers.
.THURSDAY...East northeast winds 20 to 25 knots, rising to 25 to
30 knots. Seas 5 to 8 feet. Wave Detail: East northeast 8 feet at
6 seconds. Isolated showers.
.FRIDAY...East northeast winds 20 to 25 knots, rising to 25 to
30 knots in the afternoon and evening, easing to 20 to 25 knots
after midnight. Seas 4 to 6 feet. Wave Detail: East 6 feet at
6 seconds. Isolated showers. Scattered showers after midnight.
$$
PHZ122-200700-
Big Island Windward Waters-
831 AM HST Mon May 19 2025
.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 8 seconds. Occasional showers.
.TONIGHT...East winds 15 to 20 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 8 seconds. Occasional showers, mainly in
the evening.
.TUESDAY...East winds 15 to 20 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 8 seconds. Scattered showers, mainly in
the morning.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots, becoming
east 10 to 15 knots after midnight. Seas to 4 feet. Wave Detail:
East 4 feet at 8 seconds. Isolated showers in the evening.
Scattered showers after midnight.
.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 8 seconds. Isolated showers in the
morning. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 8 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots, rising to 20 to 25 knots
in the evening, easing to 15 to 20 knots after midnight. Seas
4 to 5 feet. Wave Detail: East 5 feet at 8 seconds and south
3 feet at 18 seconds. Isolated showers through the night, then
scattered showers in the evening. Isolated showers after
midnight.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 4 feet at 8 seconds and south 3 feet at 16 seconds.
Isolated showers through the night, then scattered showers
through the day.
$$
PHZ123-200700-
Big Island Leeward Waters-
831 AM HST Mon May 19 2025
.TODAY...West of the Big Island, northwest winds 7 to 10 knots,
backing to west southwest this afternoon. Near South Point, east
winds to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast
4 feet at 5 seconds. Hazy. Scattered showers this morning.
Isolated showers this afternoon.
.TONIGHT...West of the Big Island, northwest winds 7 to 10 knots,
veering to north northwest 10 to 15 knots after midnight. Near
South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East northeast 4 feet at 5 seconds. Hazy. Scattered
showers.
.TUESDAY...West of the Big Island, northwest winds 7 to 10 knots,
backing to west southwest 10 to 15 knots in the afternoon. Near
South Point, east winds 20 to 25 knots. Seas 3 to 5 feet. Wave
Detail: East northeast 5 feet at 6 seconds. Hazy. Isolated
showers.
.TUESDAY NIGHT...West of the Big Island, southeast winds 10 to
15 knots, backing to north 7 to 10 knots after midnight. Near
South Point, east winds to 20 knots. Seas 4 to 6 feet. Wave
Detail: East northeast 6 feet at 6 seconds. Hazy. Isolated
showers in the evening. Scattered showers after midnight.
.WEDNESDAY...West of the Big Island, north winds 7 to 10 knots,
backing to west southwest in the afternoon. Near South Point,
east winds 20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East
northeast 5 feet at 5 seconds. Hazy. Scattered showers.
.WEDNESDAY NIGHT...West of the Big Island, northwest winds to
10 knots. Near South Point, east winds 25 to 30 knots, becoming
to 25 knots after midnight. Seas 4 to 6 feet. Wave Detail: East
6 feet at 6 seconds. Hazy. Scattered showers.
.THURSDAY...West of the Big Island, north northeast winds 7 to
10 knots, backing to west to 10 knots in the afternoon and
evening, backing to southwest after midnight. Near South Point,
east winds 25 to 30 knots. Seas 4 to 6 feet. Wave Detail: East
6 feet at 6 seconds. Isolated showers.
.FRIDAY...West of the Big Island, north winds 7 to 10 knots,
backing to west southwest to 10 knots. Near South Point, east
winds 25 to 30 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet
at 6 seconds. Isolated showers. Scattered showers after midnight.
$$
PHZ124-200700-
Big Island Southeast Waters-
831 AM HST Mon May 19 2025
.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 8 seconds. Hazy. Numerous showers
this morning. Scattered showers this afternoon.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Hazy. Scattered showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 8 seconds. Scattered showers in the
morning. Hazy.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Hazy. Isolated
showers in the evening. Scattered showers after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: East
5 feet at 5 seconds. Hazy. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 5 seconds. Hazy. Scattered
showers.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Wave Detail: East 6 feet at 6 seconds and south southwest
3 feet at 18 seconds. Isolated showers.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: East 6 feet at 6 seconds and south southwest 3 feet
at 17 seconds. Isolated showers through the day.
$$