Kualapu'u, HI Coastal Forecast

FZHW50 PHFO 181319
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
318 AM HST Wed Jun 18 2025

Hawaiian coastal waters within 40 nautical miles including the
Hawaiian Islands Humpback Whale National Marine Sanctuary.

PHZ100-190200-
318 AM HST Wed Jun 18 2025

.Synopsis for Hawaiian coastal waters...
Moderate to locally strong trades will hold through the week
before strengthening over the weekend then holding into early
next week.

$$

PHZ110-190200-
Kauai Northwest Waters-
318 AM HST Wed Jun 18 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers in the
morning.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Isolated showers in the
evening. Scattered showers after midnight.
.FRIDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:
East 5 feet at 7 seconds. Isolated showers.
.FRIDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers in the
morning.
.SUNDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers after
midnight.

$$

PHZ111-190200-
Kauai Windward Waters-
318 AM HST Wed Jun 18 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Scattered showers, mainly
this morning.
.TONIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail:
East 6 feet at 7 seconds. Scattered showers.
.THURSDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers.
.THURSDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers in the
evening, then scattered showers after midnight.
.FRIDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 7 seconds. Scattered showers, mainly in the
morning.
.FRIDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers in the
evening, then scattered showers after midnight.
.SATURDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers.
.SUNDAY...East winds to 20 knots. Seas 6 to 7 feet. Wave Detail:
East 6 feet at 8 seconds. Isolated showers.

$$

PHZ112-190200-
Kauai Leeward Waters-
318 AM HST Wed Jun 18 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers in the
evening. Scattered showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers.
.FRIDAY NIGHT...East winds 10 to 15 knots, rising to 15 to
20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East
5 feet at 6 seconds. Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers in the
morning.
.SUNDAY...East winds 15 to 20 knots, becoming east northeast
20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at
7 seconds.

$$

PHZ113-190200-
Kauai Channel-
318 AM HST Wed Jun 18 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Isolated
showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Isolated
showers.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers in the evening, then scattered showers after midnight.
.FRIDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers.
.FRIDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 6 feet at 7 seconds.
.SUNDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 5 to 7 feet. Wave Detail: East northeast 7 feet at
7 seconds. Isolated showers after midnight.

$$

PHZ114-190200-
Oahu Windward Waters-
318 AM HST Wed Jun 18 2025

.TODAY...East winds 15 to 20 knots. Seas to 6 feet. Wave Detail:
East 6 feet at 7 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave
Detail: East 6 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. Isolated showers.
.THURSDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Scattered showers.
.FRIDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 6 seconds. Scattered showers, mainly in the
morning.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers.
.SATURDAY...East winds to 20 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers in the
morning. Isolated showers after midnight.
.SUNDAY...East winds to 20 knots. Seas 6 to 7 feet. Wave Detail:
East 7 feet at 7 seconds. Isolated showers in the evening.
Scattered showers after midnight.

$$

PHZ115-190200-
Oahu Leeward Waters-
318 AM HST Wed Jun 18 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 6 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers in the
morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers in the
evening. Scattered showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East northeast 4 feet at 5 seconds. Isolated showers in
the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers in the
evening.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 5 feet at 7 seconds.
.SUNDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 4 to 6 feet. Wave Detail: East northeast 6 feet at
6 seconds.

$$

PHZ116-190200-
Kaiwi Channel-
318 AM HST Wed Jun 18 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Isolated
showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Isolated
showers.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers.
.THURSDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers.
.FRIDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East northeast 5 feet at 6 seconds. Isolated showers
in the morning.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East northeast 5 feet at 6 seconds.
.SATURDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East 6 feet at 7 seconds.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: East northeast 7 feet at 7 seconds. Isolated showers
after midnight.

$$

PHZ117-190200-
Maui County Windward Waters-
318 AM HST Wed Jun 18 2025

.TODAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers.
.TONIGHT...East winds 15 to 20 knots. Seas to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers.
.THURSDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers, mainly in
the morning.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers.
.SATURDAY...East winds 20 to 25 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 6 seconds. Isolated showers in the
morning. Isolated showers after midnight.
.SUNDAY...East winds 20 to 25 knots. Seas 6 to 7 feet. Wave
Detail: East 7 feet at 7 seconds. Scattered showers through the
day.

$$

PHZ118-190200-
Maui County Leeward Waters-
318 AM HST Wed Jun 18 2025

.TODAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 6 seconds.
.TONIGHT...East winds 20 to 25 knots, easing to 15 to 20 knots
after midnight. Seas 3 to 4 feet. Wave Detail: East southeast
4 feet at 6 seconds. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 5 seconds.
.THURSDAY NIGHT...East winds 10 to 15 knots, backing to northeast
7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East
southeast 3 feet at 5 seconds. Isolated showers after midnight.
.FRIDAY...East northeast winds 7 to 10 knots, veering to east
southeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers in
the morning.
.FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.SATURDAY...East northeast winds 10 to 15 knots, becoming east
15 to 20 knots in the afternoon and evening, then becoming
northeast 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave
Detail: East southeast 4 feet at 7 seconds.
.SUNDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds.

$$

PHZ119-190200-
Maalaea Bay-
318 AM HST Wed Jun 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TODAY...North winds to 25 knots. Seas to 2 feet or less.
.TONIGHT...North winds to 25 knots. Seas to 2 feet or less.
.THURSDAY...North northeast winds to 25 knots. Seas to 2 feet or
less.
.THURSDAY NIGHT...North northeast winds to 20 knots. Seas to
2 feet or less.
.FRIDAY...North northeast winds to 20 knots. Seas to 2 feet or
less.
.FRIDAY NIGHT...North northeast winds to 20 knots. Seas to 2 feet
or less.
.SATURDAY...North northeast winds to 20 knots, rising to
25 knots. Seas to 2 feet or less.
.SUNDAY...North northeast winds to 25 knots. Seas to 3 feet. Wave
Detail: North northeast 3 feet at 3 seconds.

$$

PHZ120-190200-
Pailolo Channel-
318 AM HST Wed Jun 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TODAY...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 4 seconds. Scattered showers this
morning. Isolated showers this afternoon.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 4 seconds. Scattered showers.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers
in the morning. Isolated showers in the afternoon.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East northeast 3 feet at 5 seconds. Isolated
showers.
.FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers.
.SATURDAY...East winds 15 to 20 knots, becoming east northeast
20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at
5 seconds. Isolated showers.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers through
the night. Scattered showers through the day.

$$

PHZ121-190200-
Alenuihaha Channel-
318 AM HST Wed Jun 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TODAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Scattered
showers this morning. Isolated showers this afternoon.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Scattered
showers.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 4 to
5 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East northeast 5 feet at 5 seconds.
Scattered showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas to 4 feet.
Wave Detail: East northeast 4 feet at 5 seconds. Isolated
showers.
.FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers in the evening.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Wave Detail: East northeast 7 feet at 6 seconds.
.SUNDAY...East northeast winds 20 to 25 knots, rising to 25 to
30 knots. Seas 5 to 7 feet. Wave Detail: East northeast 7 feet at
6 seconds. Scattered showers through the day.

$$

PHZ122-190200-
Big Island Windward Waters-
318 AM HST Wed Jun 18 2025

.TODAY...East winds 15 to 20 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 7 seconds. Scattered showers.
.TONIGHT...East winds 15 to 20 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots, rising to 15 to 20 knots
in the afternoon. Seas 3 to 4 feet. Wave Detail: East 4 feet at
5 seconds. Isolated showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 5 seconds. Scattered showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers in the
morning. Isolated showers in the evening, then scattered showers
after midnight.
.SUNDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon, easing to 15 to 20 knots. Seas 5 to
7 feet. Wave Detail: East 5 feet at 8 seconds. Scattered showers
through the night, then numerous showers through the day.

$$

PHZ123-190200-
Big Island Leeward Waters-
318 AM HST Wed Jun 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TODAY...West of the Big Island, northwest winds 7 to 10 knots,
backing to west 10 to 15 knots this afternoon. Near South Point,
east winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East
4 feet at 5 seconds. Isolated showers.
.TONIGHT...West of the Big Island, west northwest winds 10 to
15 knots, veering to north northwest 7 to 10 knots after
midnight. Near South Point, east winds to 25 knots. Seas 3 to
5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers.
.THURSDAY...West winds 10 to 15 knots west of the Big Island...
East to 25 knots near South Point. Seas 3 to 5 feet. Wave Detail:
East 4 feet at 5 seconds. Isolated showers.
.THURSDAY NIGHT...West of the Big Island, northwest winds 7 to
10 knots in the evening, becoming variable less than 10 knots.
Near South Point, east northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.FRIDAY...West of the Big Island, winds variable less than
10 knots, becoming northwest 7 to 10 knots in the afternoon. Near
South Point, east winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers in the
morning.
.FRIDAY NIGHT...West of the Big Island, winds variable less than
10 knots, becoming southwest 7 to 10 knots after midnight. Near
South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 5 seconds.
.SATURDAY...West of the Big Island, winds variable less than
10 knots, becoming west northwest 7 to 10 knots in the afternoon
and evening, then becoming variable less than 10 knots after
midnight. Near South Point, east winds 20 to 25 knots. Seas 3 to
5 feet. Wave Detail: East 5 feet at 6 seconds.
.SUNDAY...West of the Big Island, winds variable less than
10 knots in the morning, becoming southwest 7 to 10 knots,
veering to northwest in the evening, becoming variable less than
10 knots. Near South Point, east winds 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers in the evening. Scattered showers after midnight.

$$

PHZ124-190200-
Big Island Southeast Waters-
318 AM HST Wed Jun 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TODAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots this afternoon. Seas 4 to 6 feet. Wave Detail: East
6 feet at 6 seconds. Isolated showers.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 5 feet at 5 seconds. Isolated showers.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers
in the morning.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.FRIDAY...East winds 15 to 20 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 5 seconds. Scattered showers in the morning.
.FRIDAY NIGHT...East northeast winds to 20 knots. Seas 4 to
5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated
showers.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Wave Detail: East 7 feet at 6 seconds. Isolated showers
after midnight.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 6 to 8 feet.
Wave Detail: East 8 feet at 6 seconds. Isolated showers in the
morning. Scattered showers through the day.

$$