890
FZHW50 PHFO 290143
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
342 PM HST Thu Aug 28 2025

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

PHZ100-291400-
342 PM 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.

$$

PHZ110-291400-
Kauai Northwest Waters-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds. Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds. Isolated showers in the
morning.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers after
midnight.
.SATURDAY...East winds to 10 knots. Seas to 3 feet. Wave Detail:
East 3 feet at 5 seconds.
.SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers after
midnight.
.SUNDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds.
.SUNDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers after
midnight.
.MONDAY...East northeast winds to 10 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 5 seconds and northwest 3 feet at
15 seconds. Isolated showers through the night. Scattered showers
after midnight.
.TUESDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail:
East 3 feet at 5 seconds and northwest 3 feet at 14 seconds.
Isolated showers.

$$

PHZ111-291400-
Kauai Windward Waters-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds and south 3 feet at 16 seconds.
Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 6 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 5 seconds. Isolated showers
after midnight.
.SATURDAY...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.SUNDAY...East winds 7 to 10 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds.
.SUNDAY NIGHT...East winds to 10 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.MONDAY...East winds to 10 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds and north northwest 3 feet at
15 seconds. Isolated showers through the night. Scattered showers
after midnight.
.TUESDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail:
East southeast 3 feet at 5 seconds and northwest 3 feet at
14 seconds. Isolated showers.

$$

PHZ112-291400-
Kauai Leeward Waters-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds. Isolated showers after
midnight.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.SUNDAY...East winds 7 to 10 knots in the morning, becoming
variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East
southeast 3 feet at 5 seconds.
.SUNDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.MONDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 5 seconds and northwest
3 feet at 15 seconds. Isolated showers through the day.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 3 feet at 5 seconds and northwest 3 feet at
13 seconds. Isolated showers through the night.

$$

PHZ113-291400-
Kauai Channel-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East 3 feet at 5 seconds and south 3 feet at 16 seconds.
Isolated showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East 3 feet at 5 seconds and south 3 feet at 15 seconds.
.FRIDAY NIGHT...East 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. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 4 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 winds 7 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 4 seconds.
.SUNDAY NIGHT...East northeast winds to 10 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 5 seconds. Isolated showers
after midnight.
.TUESDAY...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 12 seconds. Isolated showers in the morning. Isolated
showers after midnight.

$$

PHZ114-291400-
Oahu Windward Waters-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Isolated showers after midnight.
.FRIDAY...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.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas to 3 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.SATURDAY...East winds 10 to 15 knots. Seas to 3 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.SUNDAY...East winds to 10 knots. Seas to 4 feet. Wave Detail:
East 3 feet at 5 seconds.
.SUNDAY NIGHT...East winds to 10 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.MONDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers after
midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 3 feet at 5 seconds and northwest 3 feet
at 14 seconds. Isolated showers in the morning. Isolated showers
after midnight.

$$

PHZ115-291400-
Oahu Leeward Waters-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and south 3 feet at
16 seconds. Isolated showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds and south 3 feet at
15 seconds.
.FRIDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and south 3 feet at
15 seconds.
.SATURDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 14 seconds.
.SATURDAY NIGHT...East northeast winds 7 to 10 knots. Seas to
3 feet.
.SUNDAY...East winds 7 to 10 knots. Seas to 3 feet.
.SUNDAY NIGHT...East northeast winds 7 to 10 knots. Seas to
3 feet.
.MONDAY...East winds 7 to 10 knots, backing to east northeast
10 to 15 knots. Seas to 3 feet.
.TUESDAY...East winds to 10 knots. Seas 3 to 4 feet.

$$

PHZ116-291400-
Kaiwi Channel-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 5 seconds and south 3 feet at 16 seconds.
.FRIDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 5 seconds and south 3 feet at
15 seconds.
.FRIDAY NIGHT...East northeast winds to 15 knots, becoming east
after midnight. 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 northeast winds 10 to 15 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.
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.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 4 seconds.
.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.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds and north
northwest 3 feet at 14 seconds. Isolated showers after midnight.

$$

PHZ117-291400-
Maui County Windward Waters-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Isolated showers after midnight.
.FRIDAY...East winds 15 to 20 knots. Seas to 3 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers in the
morning.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas to 3 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.SATURDAY...East winds 10 to 15 knots. Seas to 3 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.SATURDAY NIGHT...East southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated
showers after midnight.
.SUNDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 4 seconds.
.SUNDAY NIGHT...East southeast 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 winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 4 seconds and north northwest
3 feet at 15 seconds. Isolated showers after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 3 feet at 5 seconds and northwest 3 feet
at 14 seconds. Isolated showers in the morning. Isolated showers
after midnight.

$$

PHZ118-291400-
Maui County Leeward Waters-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and south southwest
3 feet at 16 seconds. Isolated showers after midnight.
.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.
.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.
.SATURDAY...East winds 7 to 10 knots. Seas to 3 feet.
.SATURDAY NIGHT...East winds 7 to 10 knots. Seas to 3 feet.
.SUNDAY...Winds variable less than 10 knots, becoming east
southeast 7 to 10 knots in the afternoon. Seas to 2 feet or less.
.SUNDAY NIGHT...East winds 7 to 10 knots. Seas to 2 feet or less.
Isolated showers after midnight.
.MONDAY...East winds 7 to 10 knots. Seas to 3 feet.
.TUESDAY...East winds 7 to 10 knots. Seas 3 to 4 feet.

$$

PHZ119-291400-
Maalaea Bay-
343 PM HST Thu Aug 28 2025

.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 northeast winds 10 to 15 knots. Seas to
2 feet or less.
.SATURDAY...North northeast winds 10 to 15 knots. Seas to 2 feet
or less.
.SATURDAY NIGHT...North winds 10 to 15 knots. Seas to 2 feet or
less.
.SUNDAY...North northeast winds 10 to 15 knots. Seas to 2 feet or
less.
.SUNDAY NIGHT...North northeast winds 10 to 15 knots. Seas to
2 feet or less.
.MONDAY...North northeast winds 10 to 15 knots. Seas to 2 feet or
less.
.TUESDAY...North northeast winds 10 to 15 knots. Seas to 2 feet
or less.

$$

PHZ120-291400-
Pailolo Channel-
343 PM HST Thu Aug 28 2025

.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds.
.FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 4 seconds.
.SATURDAY...East northeast winds 10 to 15 knots. Seas to 2 feet
or less.
.SATURDAY NIGHT...East northeast winds 7 to 10 knots. Seas to
2 feet or less.
.SUNDAY...East winds 10 to 15 knots. Seas to 2 feet or less.
.SUNDAY NIGHT...East northeast winds to 10 knots. Seas to 2 feet
or less.
.MONDAY...East northeast winds 10 to 15 knots. Seas to 2 feet or
less.
.TUESDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.
Isolated showers after midnight.

$$

PHZ121-291400-
Alenuihaha Channel-
343 PM HST Thu Aug 28 2025

.TONIGHT...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 16 seconds. Isolated showers after midnight.
.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 after midnight.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 4 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 to 3 feet.
Wave Detail: East 3 feet at 4 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 4 seconds.
.MONDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 5 seconds. Isolated showers after
midnight.
.TUESDAY...East northeast winds 15 to 20 knots, easing to 10 to
15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at
5 seconds. Isolated showers after midnight.

$$

PHZ122-291400-
Big Island Windward Waters-
343 PM HST Thu Aug 28 2025

.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: South southwest 4 feet at 16 seconds and east 3 feet at
7 seconds. Isolated showers after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 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 after midnight.
.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.
.SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 7 seconds. Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Isolated showers after midnight.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 11 seconds and north 3 feet at
15 seconds. Isolated showers after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: North northwest 3 feet at 14 seconds. Isolated showers in
the morning. Isolated showers after midnight.

$$

PHZ123-291400-
Big Island Leeward Waters-
343 PM HST Thu Aug 28 2025

.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 4 to 6 feet. Wave Detail: East 4 feet
at 4 seconds and south southwest 4 feet at 16 seconds. Isolated
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 southeast 4 feet at 5 seconds and south southwest
3 feet at 15 seconds. Isolated showers in the morning.
.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 5 seconds and south 3 feet at
15 seconds. Isolated showers after midnight.
.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.
.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...Winds variable less than 10 knots west of the Big
Island...East 10 to 15 knots near South Point. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 4 seconds. Isolated showers.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...East to 15 knots near South Point. Seas 3 to 5 feet.
Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers
after midnight.
.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
in the morning. Isolated showers through the day.
.TUESDAY...West of the Big Island, winds variable less than
10 knots, becoming northwest 7 to 10 knots in the evening, then
becoming variable less than 10 knots after midnight. Near South
Point, east winds to 15 knots. Seas 3 to 5 feet. Wave Detail:
East southeast 3 feet at 4 seconds. Isolated showers in the
morning. Isolated showers after midnight.

$$

PHZ124-291400-
Big Island Southeast Waters-
343 PM HST Thu Aug 28 2025

.TONIGHT...East northeast winds to 15 knots. Seas 4 to 6 feet.
Wave Detail: East 4 feet at 7 seconds and south southwest 4 feet
at 16 seconds. Isolated showers after midnight.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 4 feet at 7 seconds and south
southwest 3 feet at 15 seconds. Isolated showers in the morning.
.FRIDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East southeast 3 feet at 7 seconds and south
3 feet at 15 seconds. Isolated showers after midnight.
.SATURDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 3 feet at 7 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 3 feet at 7 seconds. Isolated
showers.
.SUNDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers
in the morning.
.SUNDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated
showers after midnight.
.MONDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.TUESDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers
in the morning. Isolated showers after midnight.

$$