Coastal Waters Forecast
Issued by NWS Honolulu, HI

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741
FZHW50 PHFO 121312
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
311 AM HST Mon May 12 2025

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

PHZ100-130200-
311 AM HST Mon May 12 2025

.Synopsis for Hawaiian coastal waters...
 Fresh to locally strong trades will continue with a surface
ridge lingering northeast of the state through the week.

$$

PHZ110-130200-
Kauai Northwest Waters-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Scattered showers, mainly this morning.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 7 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.TUESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Scattered
showers, mainly in the morning.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet.
Scattered showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas to 5 feet.
Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated
showers in the morning. Isolated showers through the day.
.FRIDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Isolated
showers, then scattered showers after midnight.

$$

PHZ111-130200-
Kauai Windward Waters-
311 AM HST Mon May 12 2025

.TODAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Scattered
showers, mainly this morning.
.TONIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet. Isolated
showers in the evening, then scattered showers after midnight.
.TUESDAY...East winds to 15 knots. Seas 6 to 7 feet. Scattered
showers, mainly in the morning.
.TUESDAY NIGHT...East winds to 15 knots. Seas 5 to 7 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.WEDNESDAY...East winds to 15 knots. Seas 5 to 7 feet. Scattered
showers.
.WEDNESDAY NIGHT...East winds to 15 knots. Seas 5 to 7 feet.
Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 5 to 6 feet.
Scattered showers in the morning, then isolated showers in the
afternoon. Scattered showers through the day.
.FRIDAY...East winds 15 to 20 knots. Seas to 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
Scattered showers through the day.

$$

PHZ112-130200-
Kauai Leeward Waters-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Isolated showers this morning.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 7 feet.
Isolated showers.
.TUESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Isolated
showers in the morning.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet.
Isolated showers.
.WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet.
Isolated showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet.
Scattered showers in the morning. Isolated showers in the
afternoon, then scattered showers through the day.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Isolated
showers through the night. Scattered showers through the day.

$$

PHZ113-130200-
Kauai Channel-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 6 to 7 feet.
Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 6 to 7 feet.
Isolated showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet.
Isolated showers.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to
7 feet. Isolated showers.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 5 to
7 feet. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to
7 feet. Isolated showers in the evening, then scattered showers
after midnight.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Isolated showers. Scattered showers after midnight.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated
showers through the night. Scattered showers through the day.

$$

PHZ114-130200-
Oahu Windward Waters-
311 AM HST Mon May 12 2025

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

.TODAY...East winds 20 to 25 knots. Seas 6 to 7 feet. Scattered
showers, mainly this morning.
.TONIGHT...East winds 15 to 20 knots. Seas to 6 feet. Isolated
showers in the evening, then scattered showers after midnight.
.TUESDAY...East winds 15 to 20 knots. Seas to 6 feet. Scattered
showers, mainly in the morning.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas to 6 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.WEDNESDAY...East winds 15 to 20 knots. Seas to 6 feet. Scattered
showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas to 6 feet.
Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 5 to 6 feet.
Scattered showers in the morning. Isolated showers in the
evening, then scattered showers after midnight.
.FRIDAY...East winds to 15 knots, rising to 20 knots. Seas 5 to
7 feet. Isolated showers through the night. Scattered showers
through the day.

$$

PHZ115-130200-
Oahu Leeward Waters-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Isolated showers this morning.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Isolated showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Isolated showers in the morning.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Isolated showers.
.WEDNESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Isolated showers in the evening, then scattered showers
after midnight.
.THURSDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Isolated showers. Scattered showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas to 4 feet. Isolated
showers. Scattered showers after midnight.

$$

PHZ116-130200-
Kaiwi Channel-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Isolated showers.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Isolated showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Isolated showers.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to
6 feet. Isolated showers.
.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Isolated showers.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Isolated showers in the morning. Isolated showers through
the day.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated
showers in the morning. Isolated showers through the day.

$$

PHZ117-130200-
Maui County Windward Waters-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 5 to 6 feet.
Scattered showers, mainly this morning.
.TONIGHT...East winds to 20 knots. Seas 5 to 6 feet. Isolated
showers in the evening, then scattered showers after midnight.
.TUESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Scattered
showers, mainly in the morning.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet.
Scattered showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet.
Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 5 to 6 feet.
Scattered showers in the morning, then isolated showers in the
afternoon. Scattered showers through the day.
.FRIDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
Scattered showers through the day.

$$

PHZ118-130200-
Maui County Leeward Waters-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Isolated showers this morning.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Isolated showers.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Isolated
showers in the morning.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Isolated showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Isolated showers.
.THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Isolated showers in the morning. Isolated showers through
the day.
.FRIDAY...Northeast winds 10 to 15 knots, veering to east
southeast in the afternoon, backing to east 7 to 10 knots in the
evening, becoming 10 to 15 knots after midnight. Seas 3 to
4 feet. Isolated showers in the morning. Isolated showers in the
evening, then scattered showers after midnight.

$$

PHZ119-130200-
Maalaea Bay-
311 AM HST Mon May 12 2025

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

.TODAY...North northeast winds to 25 knots. Seas to 2 feet or
less.
.TONIGHT...North winds to 25 knots. Seas to 2 feet or less.
.TUESDAY...North winds to 25 knots. Seas to 2 feet or less.
.TUESDAY NIGHT...North winds 20 to 25 knots. Seas to 2 feet or
less.
.WEDNESDAY...North winds to 25 knots. Seas to 2 feet or less.
.WEDNESDAY NIGHT...North winds to 25 knots. Seas to 2 feet or
less.
.THURSDAY...North winds to 25 knots. Seas to 2 feet or less.
.FRIDAY...North winds to 20 knots, rising to 25 knots in the
evening, easing to 20 knots after midnight. Seas to 2 feet or
less.

$$

PHZ120-130200-
Pailolo Channel-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Scattered showers this morning. Isolated showers this afternoon.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Isolated showers in the evening. Scattered showers after
midnight.
.TUESDAY...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Scattered showers in the morning. Isolated showers in the
afternoon.
.TUESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 3 to
5 feet. Isolated showers in the evening. Scattered showers after
midnight.
.WEDNESDAY...East northeast winds 20 to 25 knots. Seas 3 to
5 feet. Scattered showers.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 3 to
5 feet. Scattered showers in the evening. Isolated showers after
midnight.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 3 to
5 feet. Isolated showers in the morning. Isolated showers through
the day.
.FRIDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the evening, then becoming east 15 to 20 knots after
midnight. Seas 3 to 4 feet. Isolated showers.

$$

PHZ121-130200-
Alenuihaha Channel-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 25 to 30 knots. Seas 5 to 7 feet.
Isolated showers.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Isolated showers.
.TUESDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Isolated showers.
.TUESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Isolated showers.
.WEDNESDAY...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
6 feet. Isolated showers in the evening. Scattered showers after
midnight.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 4 to
6 feet. Scattered showers in the morning. Isolated showers in the
afternoon, then scattered showers through the day.
.FRIDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the evening, then becoming east 15 to 20 knots after
midnight. Seas 4 to 6 feet. Scattered showers in the morning.
Isolated showers in the afternoon, then scattered showers through
the day.

$$

PHZ122-130200-
Big Island Windward Waters-
311 AM HST Mon May 12 2025

.TODAY...East winds 15 to 20 knots. Seas to 5 feet. Scattered
showers, mainly this morning.
.TONIGHT...East winds 15 to 20 knots. Seas to 5 feet. Isolated
showers in the evening, then scattered showers after midnight.
.TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Scattered
showers, mainly in the morning.
.TUESDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet.
Scattered showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 6 feet.
Scattered showers in the morning, then isolated showers in the
afternoon. Scattered showers through the day.
.FRIDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Scattered
showers.

$$

PHZ123-130200-
Big Island Leeward Waters-
311 AM HST Mon May 12 2025

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

.TODAY...South winds 7 to 10 knots west of the Big Island...East
to 25 knots near South Point. Seas 5 to 7 feet. Isolated showers
this morning.
.TONIGHT...West of the Big Island, west northwest winds 7 to
10 knots, backing to south after midnight. Near South Point, east
winds 20 to 25 knots. Seas 5 to 7 feet. Isolated showers.
.TUESDAY...West southwest winds 7 to 10 knots west of the Big
Island...East to 25 knots near South Point. Seas 5 to 7 feet.
Isolated showers in the morning.
.TUESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...East 20 to 25 knots near South Point. Seas 4 to
6 feet. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...East 20 to 25 knots near South Point. Seas 4 to 6 feet.
Isolated showers.
.WEDNESDAY NIGHT...West of the Big Island, north northwest winds
7 to 10 knots in the evening, becoming variable less than
10 knots. Near South Point, east winds 20 to 25 knots. Seas 3 to
5 feet. Isolated showers in the evening, then scattered showers
after midnight.
.THURSDAY...West of the Big Island, winds variable less than
10 knots, becoming northwest 7 to 10 knots in the afternoon,
backing to south southeast in the evening, backing to north
northwest after midnight. Near South Point, east winds 20 to
25 knots, becoming east northeast 15 to 20 knots after midnight.
Seas 3 to 5 feet. Scattered showers in the morning. Isolated
showers in the afternoon, then scattered showers through the day.
.FRIDAY...West of the Big Island, south winds 7 to 10 knots,
veering to north 10 to 15 knots in the afternoon, backing to
south 7 to 10 knots in the evening, backing to north to 10 knots
after midnight. Near South Point, east winds 15 to 20 knots. Seas
4 to 6 feet. Scattered showers in the morning, then isolated
showers in the afternoon. Scattered showers through the day.

$$

PHZ124-130200-
Big Island Southeast Waters-
311 AM HST Mon May 12 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 6 to 8 feet.
Scattered showers, mainly this morning.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 6 to 7 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.TUESDAY...East northeast winds 20 to 25 knots. Seas 6 to 7 feet.
Scattered showers, mainly in the morning.
.TUESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to
7 feet. Isolated showers in the evening, then scattered showers
after midnight.
.WEDNESDAY...East northeast winds 20 to 25 knots. Seas 5 to
7 feet. Scattered showers.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 4 to
5 feet. Scattered showers.
.THURSDAY...East northeast winds 20 to 25 knots. Seas 4 to
6 feet. Scattered showers in the morning, then isolated showers
in the afternoon. Scattered showers through the day.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Scattered showers in the morning, then isolated showers in the
afternoon. Scattered showers through the day.

$$