431
FZHW50 PHFO 221302
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
301 AM HST Fri Aug 22 2025

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

PHZ100-230200-
301 AM HST Fri Aug 22 2025

.Synopsis for Hawaiian coastal waters...
 A high pressure ridge north of the Hawaiian Islands will keep
fresh to locally strong trade winds blowing across the region
into early next week.

$$

PHZ110-230200-
Kauai Northwest Waters-
302 AM HST Fri Aug 22 2025

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

$$

PHZ111-230200-
Kauai Windward Waters-
302 AM HST Fri Aug 22 2025

.TODAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:
East southeast 5 feet at 6 seconds. Isolated showers this
morning.
.TONIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:
East 5 feet at 7 seconds. Isolated showers in the evening, then
scattered showers after midnight.
.SATURDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 7 seconds. Scattered showers, mainly in the
morning.
.SATURDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers in
the evening, then scattered showers after midnight.
.SUNDAY...East southeast winds to 15 knots. Seas to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers in
the morning.
.SUNDAY NIGHT...East southeast winds to 15 knots. Seas to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Isolated showers after
midnight.
.MONDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 7 seconds. Isolated showers through the day.
.TUESDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:
East 5 feet at 7 seconds. Isolated showers in the morning.
Isolated showers through the day.

$$

PHZ112-230200-
Kauai Leeward Waters-
302 AM HST Fri Aug 22 2025

.TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 6 seconds. Scattered showers
this morning. Isolated showers this afternoon.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 6 seconds. Isolated showers.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 6 seconds. Isolated showers in
the morning.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 5 feet at 6 seconds. Scattered
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers
through the night. Isolated showers after midnight.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Isolated showers in
the morning. Isolated showers through the day.

$$

PHZ113-230200-
Kauai Channel-
302 AM HST Fri Aug 22 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers this
morning.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.SATURDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers in
the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers in
the morning. Isolated showers after midnight.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 6 seconds. Isolated showers after
midnight.

$$

PHZ114-230200-
Oahu Windward Waters-
302 AM HST Fri Aug 22 2025

.TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 6 seconds.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers.
.SATURDAY...East winds 15 to 20 knots. Seas to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers in the
morning.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers.
.SUNDAY...East winds 15 to 20 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 7 seconds.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas to 5 feet. Wave
Detail: East 5 feet at 7 seconds. Isolated showers after
midnight.
.MONDAY...East winds 15 to 20 knots. Seas to 5 feet. Wave Detail:
East 5 feet at 7 seconds. Isolated showers in the morning.
Isolated showers through the day.
.TUESDAY...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 through the day.

$$

PHZ115-230200-
Oahu Leeward Waters-
302 AM HST Fri Aug 22 2025

.TODAY...East northeast winds 10 to 15 knots. Seas to 4 feet.
Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers
this morning.
.TONIGHT...East northeast winds 10 to 15 knots. Seas to 4 feet.
Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers
in the evening.
.SATURDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 7 seconds. Isolated showers in
the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 7 seconds.
.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 4 feet at 7 seconds.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers
after midnight.

$$

PHZ116-230200-
Kaiwi Channel-
302 AM HST Fri Aug 22 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.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers after
midnight.
.SUNDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds.
.SUNDAY NIGHT...East winds 15 to 20 knots, easing to 10 to
15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East
5 feet at 6 seconds.
.MONDAY...East winds 10 to 15 knots, rising to 15 to 20 knots.
Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers after
midnight.

$$

PHZ117-230200-
Maui County Windward Waters-
302 AM HST Fri Aug 22 2025

.TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 6 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 6 seconds. Scattered showers in
the evening. Isolated showers after midnight.
.SATURDAY...East southeast winds 15 to 20 knots. Seas to 5 feet.
Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers
in the morning.
.SATURDAY NIGHT...East southeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated
showers.
.SUNDAY...East winds 15 to 20 knots. Seas to 5 feet. Wave Detail:
East southeast 5 feet at 7 seconds. Isolated showers in the
morning.
.SUNDAY NIGHT...East southeast winds 15 to 20 knots. Seas to
5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated
showers after midnight.
.MONDAY...East southeast winds 15 to 20 knots, becoming east
20 to 25 knots in the afternoon, easing to 15 to 20 knots. Seas
to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated
showers in the morning. Isolated showers after midnight.
.TUESDAY...East winds 15 to 20 knots, rising to 20 to 25 knots in
the afternoon, easing to 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 7 seconds. Isolated showers in
the morning. Isolated showers through the day.

$$

PHZ118-230200-
Maui County Leeward Waters-
302 AM HST Fri Aug 22 2025

.TODAY...East northeast winds 10 to 15 knots, becoming east 15 to
20 knots this afternoon. Seas 3 to 4 feet. Wave Detail: East
southeast 4 feet at 6 seconds.
.TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 4 feet at 6 seconds.
.SATURDAY...East winds 10 to 15 knots, becoming east southeast
15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
East southeast 4 feet at 6 seconds.
.SATURDAY NIGHT...East winds 15 to 20 knots, becoming east
northeast 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Isolated showers.
.SUNDAY...East winds 10 to 15 knots, rising to 15 to 20 knots in
the afternoon. Seas 3 to 5 feet. Wave Detail: East southeast
4 feet at 7 seconds.
.SUNDAY NIGHT...East winds 15 to 20 knots, becoming east
northeast 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave
Detail: East southeast 4 feet at 7 seconds.
.MONDAY...East northeast winds 10 to 15 knots, becoming east
15 to 20 knots in the afternoon and evening, then becoming east
northeast 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 4 feet at 6 seconds.

$$

PHZ119-230200-
Maalaea Bay-
302 AM HST Fri Aug 22 2025

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

.TODAY...North winds 20 to 25 knots. Seas to 2 feet or less.
.TONIGHT...North winds to 25 knots, easing to 20 knots after
midnight. Seas to 2 feet or less.
.SATURDAY...North winds 20 to 25 knots. Seas to 2 feet or less.
.SATURDAY NIGHT...Northeast winds to 20 knots, easing to 15 knots
after midnight. Seas to 2 feet or less.
.SUNDAY...Northeast winds to 15 knots, rising to 20 knots in the
afternoon. Seas to 2 feet or less.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots, easing to
10 knots after midnight. Seas to 2 feet or less.
.MONDAY...Northeast winds 10 to 15 knots. Seas to 2 feet or less.
.TUESDAY...Northeast winds to 15 knots, becoming 15 to 20 knots.
Seas to 2 feet or less.

$$

PHZ120-230200-
Pailolo Channel-
302 AM HST Fri Aug 22 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 4 seconds.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 3 to
5 feet. Wave Detail: East 4 feet at 4 seconds.
.SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 4 feet at 4 seconds.
.SUNDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 3 feet at 4 seconds.
.SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 4 feet at 4 seconds.
.MONDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds.
.TUESDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon, easing to 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers
after midnight.

$$

PHZ121-230200-
Alenuihaha Channel-
302 AM HST Fri Aug 22 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 5 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.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers
in the morning.
.SATURDAY NIGHT...East winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: East 6 feet at 6 seconds. Isolated showers after
midnight.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: East 6 feet at 6 seconds. Isolated showers in the
morning.
.SUNDAY NIGHT...East winds 20 to 25 knots, easing to 15 to
20 knots after midnight. Seas 5 to 7 feet. Wave Detail: East
6 feet at 6 seconds.
.MONDAY...East northeast winds 20 to 25 knots, easing to 15 to
20 knots after midnight. Seas 4 to 6 feet. Wave Detail: East
5 feet at 6 seconds.
.TUESDAY...East northeast winds 20 to 25 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers after
midnight.

$$

PHZ122-230200-
Big Island Windward Waters-
302 AM HST Fri Aug 22 2025

.TODAY...East winds 15 to 20 knots. Seas to 4 feet. Wave Detail:
East southeast 4 feet at 7 seconds. Scattered showers, mainly
this morning.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 4 feet at 7 seconds. Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds. Scattered showers, mainly in
the morning.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 5 feet at 8 seconds. Isolated
showers.
.SUNDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 8 seconds. Isolated showers in
the morning.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 8 seconds. Isolated showers.
.MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 8 seconds. Isolated showers.
.TUESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East southeast 4 feet at 8 seconds. Isolated showers in
the morning. Isolated showers through the day.

$$

PHZ123-230200-
Big Island Leeward Waters-
302 AM HST Fri Aug 22 2025

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

.TODAY...Winds variable less than 10 knots west of the Big
Island...East 20 to 25 knots near South Point. Seas 4 to 6 feet.
Wave Detail: East 4 feet at 5 seconds.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...East northeast 20 to 25 knots near South Point. Seas
4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. Isolated
showers after midnight.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...East 20 to 25 knots near South Point. Seas 4 to 6 feet.
Wave Detail: East 4 feet at 5 seconds.
.SATURDAY 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. Wave Detail: East 5 feet at 6 seconds. Isolated showers
after midnight.
.SUNDAY...West of the Big Island, winds variable less than
10 knots, becoming west 7 to 10 knots in the afternoon. Near
South Point, east winds to 25 knots. Seas 4 to 6 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers in the
morning.
.SUNDAY NIGHT...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds to 25 knots, becoming
20 to 25 knots after midnight. Seas 4 to 6 feet. Wave Detail:
East 5 feet at 6 seconds.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...East 20 to 25 knots near South Point. Seas 4 to 6 feet.
Wave Detail: East southeast 5 feet at 5 seconds.
.TUESDAY...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 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers.
Scattered showers after midnight.

$$

PHZ124-230200-
Big Island Southeast Waters-
302 AM HST Fri Aug 22 2025

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

.TODAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers
this morning.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 7 seconds. Isolated showers.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 5 to
6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers
in the morning.
.SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
6 feet. Wave Detail: East southeast 6 feet at 8 seconds. Isolated
showers in the evening.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 5 to 6 feet.
Wave Detail: East southeast 6 feet at 8 seconds.
.SUNDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
6 feet. Wave Detail: East southeast 6 feet at 8 seconds.
.MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East southeast 6 feet at 8 seconds. Isolated showers
after midnight.
.TUESDAY...East northeast winds to 20 knots. Seas 4 to 6 feet.
Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers
through the day.

$$