724
FZHW50 PHFO 281321
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
320 AM HST Thu Aug 28 2025

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

PHZ100-290200-
320 AM HST Thu Aug 28 2025

.Synopsis for Hawaiian coastal waters...
 A weak trough embedded in the broader ridge north of the islands
will keep gentle to locally fresh trades blowing into early next
week.

$$

PHZ110-290200-
Kauai Northwest Waters-
321 AM HST Thu Aug 28 2025

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

$$

PHZ111-290200-
Kauai Windward Waters-
321 AM HST Thu Aug 28 2025

.TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Scattered showers, mainly this morning.
.TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers in the
evening, then scattered showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds and south 3 feet at
15 seconds. Scattered showers, mainly in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Isolated showers.
.SATURDAY...East winds to 10 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Isolated showers.
.SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.SUNDAY...East winds 7 to 10 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers.
.MONDAY...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers.

$$

PHZ112-290200-
Kauai Leeward Waters-
321 AM HST Thu Aug 28 2025

.TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East southeast 4 feet at 6 seconds. Scattered showers.
.TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Scattered showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 5 seconds and south 3 feet at 15 seconds.
Scattered showers in the morning. Isolated showers in the
afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.SUNDAY...East winds 7 to 10 knots in the morning, becoming
variable less than 10 knots, then becoming east northeast 7 to
10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at
5 seconds. Isolated showers.
.MONDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers.

$$

PHZ113-290200-
Kauai Channel-
321 AM HST Thu Aug 28 2025

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

$$

PHZ114-290200-
Oahu Windward Waters-
321 AM HST Thu Aug 28 2025

.TODAY...East winds 15 to 20 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Isolated showers.
.TONIGHT...East winds to 15 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East southeast 4 feet at 6 seconds. Isolated showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 5 seconds. Isolated showers in
the morning.
.SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.SUNDAY...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Isolated
showers.

$$

PHZ115-290200-
Oahu Leeward Waters-
321 AM HST Thu Aug 28 2025

.TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East southeast 4 feet at 6 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 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 3 feet at 5 seconds and south 3 feet at 15 seconds.
Isolated showers.
.FRIDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds and south 3 feet at 15 seconds.
Isolated showers after midnight.
.SATURDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds. Isolated showers in the
morning.
.SATURDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated
showers after midnight.
.SUNDAY...East winds 7 to 10 knots. Seas to 3 feet. Isolated
showers in the morning. Isolated showers after midnight.
.MONDAY...East winds 7 to 10 knots, backing to east northeast
10 to 15 knots. Seas to 2 feet or less. Isolated showers in the
morning. Isolated showers through the day.

$$

PHZ116-290200-
Kaiwi Channel-
321 AM HST Thu Aug 28 2025

.TODAY...East northeast winds to 15 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 5 seconds.
.TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers.
.FRIDAY...East northeast winds to 15 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 5 seconds and south 3 feet at 15 seconds.
Isolated showers in the morning.
.FRIDAY NIGHT...East northeast winds to 15 knots, becoming east
after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at
5 seconds and south 3 feet at 15 seconds. Isolated showers after
midnight.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 5 seconds.
.SATURDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds.
.SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers
after midnight.
.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers
after midnight.

$$

PHZ117-290200-
Maui County Windward Waters-
321 AM HST Thu Aug 28 2025

.TODAY...East winds 15 to 20 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 5 seconds. Isolated showers.
.TONIGHT...East winds to 15 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Isolated showers.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 5 seconds. Isolated showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 5 seconds. Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers in
the morning.
.SATURDAY NIGHT...East southeast winds 10 to 15 knots. Seas to
3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated
showers.
.SUNDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers
in the morning. Isolated showers through the day.
.MONDAY...East winds 10 to 15 knots. Seas to 3 feet. Isolated
showers.

$$

PHZ118-290200-
Maui County Leeward Waters-
321 AM HST Thu Aug 28 2025

.TODAY...East winds 15 to 20 knots, becoming east southeast 10 to
15 knots this afternoon. Seas 3 to 4 feet. Wave Detail: East
southeast 4 feet at 6 seconds. Isolated showers this afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and south 3 feet at
15 seconds. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and south 3 feet at
15 seconds. Isolated showers after midnight.
.SATURDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 4 seconds and south 3 feet at
14 seconds.
.SATURDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet.
Isolated showers after midnight.
.SUNDAY...Winds variable less than 10 knots, becoming east 7 to
10 knots. Seas to 2 feet or less. Isolated showers after
midnight.
.MONDAY...East winds 7 to 10 knots. Seas to 2 feet or less.
Isolated showers after midnight.

$$

PHZ119-290200-
Maalaea Bay-
321 AM HST Thu Aug 28 2025

.TODAY...North northeast winds 10 to 15 knots, backing to west
southwest 7 to 10 knots this afternoon. Seas to 2 feet or less.
.TONIGHT...North winds 10 to 15 knots. Seas to 2 feet or less.
.FRIDAY...North winds 10 to 15 knots. Seas to 2 feet or less.
.FRIDAY NIGHT...North winds to 10 knots. Seas to 2 feet or less.
.SATURDAY...North northeast winds 7 to 10 knots. Seas to 2 feet
or less.
.SATURDAY NIGHT...Winds variable less than 10 knots. Seas to
2 feet or less.
.SUNDAY...Winds variable less than 10 knots, becoming north
northeast 7 to 10 knots in the afternoon and evening, then
becoming variable less than 10 knots after midnight. Seas to
2 feet or less.
.MONDAY...North northeast winds to 10 knots in the morning,
becoming variable less than 10 knots, then becoming north
northeast to 10 knots. Seas to 2 feet or less.

$$

PHZ120-290200-
Pailolo Channel-
321 AM HST Thu Aug 28 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 3 feet at 4 seconds. Isolated showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Isolated showers.
.FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Isolated showers.
.SATURDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.
Isolated showers in the morning.
.SATURDAY NIGHT...East northeast winds 7 to 10 knots. Seas to
3 feet. Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Seas to 2 feet or less.
Isolated showers.
.MONDAY...East northeast winds 10 to 15 knots. Seas to 2 feet or
less. Isolated showers.

$$

PHZ121-290200-
Alenuihaha Channel-
321 AM HST Thu Aug 28 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 5 seconds. Isolated showers this
morning.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 5 seconds. Isolated showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 5 seconds and south southwest 3 feet
at 15 seconds. Isolated showers in the morning.
.FRIDAY NIGHT...East northeast winds 15 to 20 knots, becoming
east 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 5 seconds and south 3 feet at 15 seconds.
Isolated showers.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds and south 3 feet at
14 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds. Isolated showers after
midnight.
.SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds. Isolated showers after
midnight.
.MONDAY...East northeast winds 15 to 20 knots. Seas to 3 feet.
Wave Detail: East 3 feet at 4 seconds. Isolated showers after
midnight.

$$

PHZ122-290200-
Big Island Windward Waters-
321 AM HST Thu Aug 28 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 7 seconds. Scattered showers
this morning. Isolated showers this afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 7 seconds. Scattered showers in
the evening. Isolated showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 7 seconds and south 3 feet at
15 seconds. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 7 seconds and south 3 feet at
15 seconds. Isolated showers in the evening.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 7 seconds and south 3 feet at
14 seconds. Isolated showers in the afternoon.
.SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet.
Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Seas to 3 feet. Isolated
showers.
.MONDAY...East winds 10 to 15 knots. Seas to 3 feet. Isolated
showers.

$$

PHZ123-290200-
Big Island Leeward Waters-
321 AM HST Thu Aug 28 2025

.TODAY...West of the Big Island, winds variable less than
10 knots, becoming west northwest 7 to 10 knots this afternoon.
Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 5 seconds. Hazy. Isolated showers.
.TONIGHT...West of the Big Island, south southwest winds 7 to
10 knots, backing to east after midnight. Near South Point, east
winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet
at 5 seconds. Hazy. Scattered showers.
.FRIDAY...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 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East 3 feet at 4 seconds and south southwest 3 feet at
15 seconds. Hazy. Scattered showers in the morning. Isolated
showers in the afternoon.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...East 15 to 20 knots near South Point. Seas 3 to 5 feet.
Wave Detail: East 3 feet at 4 seconds and south 3 feet at
15 seconds. Hazy. Isolated showers.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...East 10 to 15 knots near South Point. Seas 3 to 5 feet.
Wave Detail: East southeast 3 feet at 4 seconds and south 3 feet
at 14 seconds. Isolated showers in the morning.
.SATURDAY NIGHT...West of the Big Island, winds variable less
than 10 knots. Near South Point, east winds to 15 knots, backing
to east northeast after midnight. Seas 3 to 4 feet. Wave Detail:
East southeast 3 feet at 4 seconds. Isolated showers after
midnight.
.SUNDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east northeast winds 10 to 15 knots,
veering to east. Seas 3 to 4 feet. Wave Detail: East southeast
3 feet at 4 seconds. Isolated showers in the morning. Isolated
showers through the day.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...East 15 to 20 knots near South Point. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated
showers, then scattered showers after midnight.

$$

PHZ124-290200-
Big Island Southeast Waters-
321 AM HST Thu Aug 28 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 4 feet.
Wave Detail: East southeast 4 feet at 5 seconds. Isolated
showers.
.TONIGHT...East northeast winds to 15 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 7 seconds. Isolated showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 4 feet at 7 seconds and south 3 feet
at 15 seconds.
.FRIDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East southeast 4 feet at 6 seconds and south
3 feet at 15 seconds.
.SATURDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 4 feet at 5 seconds and south 3 feet
at 14 seconds.
.SATURDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated
showers.
.SUNDAY...East northeast winds to 15 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers
in the morning. Isolated showers through the day.
.MONDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers
through the day.

$$