HomeForecastsHawaii ForecastsMahukona, HI Coastal Forecast

Mahukona, HI Coastal Forecast

FZHW50 PHFO 251338
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
338 AM HST Sun May 25 2025

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

PHZ100-260200-
338 AM HST Sun May 25 2025

.Synopsis for Hawaiian coastal waters...
High pressure to the distant north-northwest will slowly weaken
through the first half of next week.

$$

PHZ110-260200-
Kauai Northwest Waters-
338 AM HST Sun May 25 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...East northeast winds 20 to 25 knots. Seas to 6 feet.
Wave Detail: Northeast 5 feet at 6 seconds. Isolated showers.
.TONIGHT...East northeast winds 20 to 25 knots, easing to 15 to
20 knots after midnight. Seas 5 to 6 feet. Wave Detail: East
northeast 5 feet at 6 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: East northeast 4 feet at 6 seconds. Scattered showers,
mainly in the morning.
.MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 6 seconds.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds.
.WEDNESDAY...East winds to 10 knots. Seas 3 to 5 feet. Wave
Detail: East 3 feet at 5 seconds and north 3 feet at 14 seconds.
.THURSDAY...East northeast winds 10 to 15 knots. Seas to 5 feet.
Wave Detail: North 4 feet at 13 seconds and east 3 feet at
5 seconds.

$$

PHZ111-260200-
Kauai Windward Waters-
338 AM HST Sun May 25 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 6 feet.
Wave Detail: East northeast 5 feet at 6 seconds. Scattered
showers.
.TONIGHT...East northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. Seas 5 to 6 feet. Wave Detail: East
northeast 5 feet at 7 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East northeast 4 feet at 6 seconds. Scattered showers,
mainly in the morning.
.MONDAY NIGHT...East northeast winds to 10 knots. Seas 4 to
5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated
showers in the evening.
.TUESDAY...East northeast winds to 10 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...East northeast winds to 10 knots. Seas to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.WEDNESDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 3 feet at 5 seconds and north 3 feet at
14 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas to 5 feet. Wave
Detail: North 4 feet at 13 seconds and east southeast 3 feet at
5 seconds.

$$

PHZ112-260200-
Kauai Leeward Waters-
338 AM HST Sun May 25 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: Northeast 6 feet at 6 seconds. Isolated showers.
.TONIGHT...East northeast winds 20 to 25 knots, easing to 15 to
20 knots after midnight. Seas 5 to 7 feet. Wave Detail: Northeast
6 feet at 6 seconds. Isolated showers in the evening. Scattered
showers after midnight.
.MONDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: Northeast 5 feet at 6 seconds. Isolated showers.
.MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated
showers in the evening.
.TUESDAY...Northeast winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 3 feet at 5 seconds and north northwest
3 feet at 15 seconds.
.THURSDAY...East northeast winds 7 to 10 knots, becoming 10 to
15 knots. Seas 4 to 6 feet. Wave Detail: North northwest 4 feet
at 13 seconds, east southeast 3 feet at 5 seconds and south
3 feet at 16 seconds.

$$

PHZ113-260200-
Kauai Channel-
338 AM HST Sun May 25 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: Northeast 5 feet at 6 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: Northeast 5 feet at 7 seconds. Scattered showers,
mainly in the evening.
.MONDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers in the
morning.
.MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers
in the evening.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: East southeast 3 feet at 5 seconds and north
3 feet at 14 seconds.
.THURSDAY...East northeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: North 4 feet at 13 seconds and east
southeast 3 feet at 5 seconds.

$$

PHZ114-260200-
Oahu Windward Waters-
338 AM HST Sun May 25 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: Northeast 5 feet at 6 seconds. Scattered showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 5 feet at 7 seconds. Scattered
showers, mainly in the evening.
.MONDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 6 seconds. Isolated showers in the
morning.
.MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers.
.TUESDAY...East winds to 10 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.WEDNESDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and north 3 feet at
14 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas to 5 feet. Wave
Detail: North 4 feet at 13 seconds and east southeast 3 feet at
5 seconds. Isolated showers after midnight.

$$

PHZ115-260200-
Oahu Leeward Waters-
338 AM HST Sun May 25 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 5 seconds.
.MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers
in the evening.
.TUESDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: Southeast 3 feet at 5 seconds and north
northwest 3 feet at 14 seconds.
.THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: North northwest 4 feet at 13 seconds and
southeast 3 feet at 5 seconds.

$$

PHZ116-260200-
Kaiwi Channel-
338 AM HST Sun May 25 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: Northeast 5 feet at 6 seconds. Isolated showers this
morning.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: Northeast 5 feet at 6 seconds. Isolated showers.
.MONDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East northeast 4 feet at 5 seconds.
.MONDAY NIGHT...East northeast winds to 15 knots, easing to
10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East
northeast 4 feet at 5 seconds. Isolated showers in the evening.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 5 seconds.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 4 seconds and north 3 feet at
14 seconds.
.THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: North 4 feet at 13 seconds and east
southeast 3 feet at 4 seconds.

$$

PHZ117-260200-
Maui County Windward Waters-
338 AM HST Sun May 25 2025

.TODAY...East winds 15 to 20 knots. Seas to 5 feet. Wave Detail:
Northeast 4 feet at 6 seconds. Scattered showers, mainly this
morning.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: Northeast 4 feet at 6 seconds. Scattered showers, mainly
in the evening.
.MONDAY...East winds 15 to 20 knots, easing to 10 to 15 knots in
the afternoon. Seas to 4 feet. Wave Detail: East 4 feet at
5 seconds. Isolated showers in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers.
.TUESDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 4 seconds and north northwest
3 feet at 14 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave
Detail: North northwest 4 feet at 13 seconds and east southeast
3 feet at 5 seconds. Isolated showers through the day.

$$

PHZ118-260200-
Maui County Leeward Waters-
338 AM HST Sun May 25 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 5 seconds.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 5 feet at 5 seconds.
.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 5 seconds.
.MONDAY NIGHT...East northeast winds 7 to 10 knots. Seas to
3 feet. Wave Detail: East southeast 3 feet at 4 seconds.
.TUESDAY...Northeast winds 7 to 10 knots. Seas to 3 feet. Wave
Detail: East southeast 3 feet at 4 seconds.
.TUESDAY NIGHT...Northeast winds 7 to 10 knots. Seas to 3 feet.
.WEDNESDAY...East northeast winds 7 to 10 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.THURSDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet.

$$

PHZ119-260200-
Maalaea Bay-
338 AM HST Sun May 25 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...North winds to 25 knots. Seas to 2 feet or less. Wave
Detail: North northeast 2 feet at 3 seconds.
.TONIGHT...North winds 20 to 25 knots. Seas to 2 feet or less.
Wave Detail: North northeast 2 feet at 3 seconds.
.MONDAY...North winds to 20 knots. Seas to 2 feet or less.
.MONDAY NIGHT...North northeast winds to 20 knots, easing to
15 knots after midnight. Seas to 2 feet or less.
.TUESDAY...North northeast winds to 15 knots, rising to 20 knots
in the afternoon. Seas to 2 feet or less.
.TUESDAY NIGHT...North northeast winds to 20 knots. Seas to
2 feet or less.
.WEDNESDAY...North northeast winds to 20 knots, easing to
15 knots after midnight. Seas to 2 feet or less.
.THURSDAY...North northeast winds to 20 knots. Seas to 2 feet or
less.

$$

PHZ120-260200-
Pailolo Channel-
338 AM HST Sun May 25 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS 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 4 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers.
.MONDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds. Isolated showers.
.MONDAY NIGHT...East northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas to 3 feet. Isolated showers.
.TUESDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. Seas to 3 feet.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
3 feet. Isolated showers after midnight.
.WEDNESDAY...East northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. Seas to 3 feet.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Isolated showers after midnight.

$$

PHZ121-260200-
Alenuihaha Channel-
338 AM HST Sun May 25 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: East 6 feet at 6 seconds.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 6 seconds. Isolated showers in the
evening.
.MONDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East northeast 4 feet at 5 seconds.
.MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East northeast 3 feet at 5 seconds.
.TUESDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East
3 feet at 5 seconds.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers
after midnight.

$$

PHZ122-260200-
Big Island Windward Waters-
338 AM HST Sun May 25 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 4 feet.
Wave Detail: East 3 feet at 8 seconds. Isolated showers this
morning.
.TONIGHT...East northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. Seas to 4 feet. Wave Detail: East
3 feet at 7 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East 3 feet at 7 seconds.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 7 seconds. Isolated showers after
midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 7 seconds.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 7 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 3 feet at 7 seconds and north northwest
3 feet at 14 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: North northwest 5 feet at 13 seconds, east southeast
3 feet at 7 seconds and south southwest 3 feet at 15 seconds.
Isolated showers through the day.

$$

PHZ123-260200-
Big Island Leeward Waters-
338 AM HST Sun May 25 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...West of the Big Island, south winds 7 to 10 knots,
veering to west southwest 10 to 15 knots this afternoon. Near
South Point, east winds to 25 knots. Seas 4 to 6 feet. Wave
Detail: Northeast 6 feet at 6 seconds. Hazy.
.TONIGHT...West of the Big Island, west winds 10 to 15 knots,
veering to northwest 7 to 10 knots after midnight. Near South
Point, east winds 20 to 25 knots. Seas 3 to 5 feet. Wave Detail:
East northeast 5 feet at 6 seconds. Hazy.
.MONDAY...West of the Big Island, west southwest winds 7 to
10 knots. Near South Point, east winds to 20 knots, becoming
15 to 20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail:
East northeast 4 feet at 5 seconds. Hazy.
.MONDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...East to 15 knots near South Point. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds. Hazy.
.TUESDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds to 15 knots, becoming
10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
East 3 feet at 4 seconds. Hazy.
.TUESDAY NIGHT...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds to 15 knots, becoming
15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail:
East 3 feet at 4 seconds. Hazy.
.WEDNESDAY...West of the Big Island, winds variable less than
10 knots, becoming west southwest 7 to 10 knots in the afternoon,
then becoming variable less than 10 knots. Near South Point, east
winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet
at 4 seconds.
.THURSDAY...West of the Big Island, winds variable less than
10 knots, becoming west 7 to 10 knots in the afternoon and
evening, then becoming variable less than 10 knots after
midnight. Near South Point, east winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers.

$$

PHZ124-260200-
Big Island Southeast Waters-
338 AM HST Sun May 25 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...East northeast winds 20 to 25 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 5 seconds. Hazy.
.TONIGHT...East northeast winds 20 to 25 knots, easing to 15 to
20 knots after midnight. Seas 4 to 5 feet. Wave Detail: East
5 feet at 5 seconds. Hazy.
.MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 4 feet at 5 seconds. Hazy.
.MONDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 4 feet at 5 seconds. Hazy.
.TUESDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 4 feet at 5 seconds. Hazy.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East southeast 4 feet at 5 seconds. Hazy.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East southeast 4 feet at 6 seconds.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East southeast 4 feet at 6 seconds and south
southwest 3 feet at 15 seconds. Isolated showers after midnight.

$$



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