741
FZHW50 PHFO 031304
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
303 AM HST Wed Sep 3 2025

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

PHZ100-040200-
303 AM HST Wed Sep 3 2025

.Synopsis for Hawaiian coastal waters...
 Weak surface ridge to the north will remain nearly stationary
through the forecast period.

$$

PHZ110-040200-
Kauai Northwest Waters-
304 AM HST Wed Sep 3 2025

.TODAY...East winds 10 to 15 knots, rising to 15 to 20 knots this
afternoon. Seas to 4 feet. Wave Detail: East 3 feet at 5 seconds
and northwest 3 feet at 12 seconds.
.TONIGHT...East winds 15 to 20 knots, easing to 10 to 15 knots
after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at
5 seconds and north northwest 3 feet at 11 seconds. Isolated
showers after midnight.
.THURSDAY...East winds 15 to 20 knots. Seas to 4 feet. Wave
Detail: East 3 feet at 5 seconds.
.THURSDAY NIGHT...East winds to 15 knots. Seas to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East 3 feet at 6 seconds. Isolated showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East 3 feet at 6 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds. Scattered showers in the
morning. Isolated showers in the evening, then scattered showers
after midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 12 seconds. Isolated showers. Scattered
showers after midnight.

$$

PHZ111-040200-
Kauai Windward Waters-
304 AM HST Wed Sep 3 2025

.TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds and northwest 3 feet at
12 seconds.
.TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and northwest 3 feet
at 11 seconds. Isolated showers after midnight.
.THURSDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.FRIDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail:
East 4 feet at 6 seconds. Scattered showers, mainly in the
morning.
.FRIDAY NIGHT...East winds to 10 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 6 seconds. Scattered showers.
.SATURDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Scattered showers in
the morning, then isolated showers through the night. Scattered
showers after midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Scattered showers in
the morning, then isolated showers through the night. Scattered
showers after midnight.

$$

PHZ112-040200-
Kauai Leeward Waters-
304 AM HST Wed Sep 3 2025

.TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
Southeast 3 feet at 5 seconds and northwest 3 feet at 12 seconds.
Isolated showers this morning.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and northwest 3 feet
at 11 seconds. Isolated showers after midnight.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated
showers after midnight.
.FRIDAY...East winds to 15 knots, easing to 10 knots in the
afternoon. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet
at 6 seconds and north northwest 3 feet at 10 seconds. Isolated
showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 6 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Scattered showers in
the morning. Isolated showers in the afternoon, then scattered
showers through the day.
.SUNDAY...East winds 7 to 10 knots, backing to east northeast
10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at
5 seconds. Scattered showers in the morning. Isolated showers
through the night, then scattered showers after midnight.

$$

PHZ113-040200-
Kauai Channel-
304 AM HST Wed Sep 3 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers
after midnight.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated
showers.
.FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 6 seconds. Isolated
showers.
.FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East southeast 3 feet at 5 seconds and south
southwest 3 feet at 16 seconds. Isolated showers through the
night, then scattered showers through the day.
.SUNDAY...East northeast winds 10 to 15 knots. Seas to 4 feet.
Wave Detail: East 4 feet at 5 seconds and south southwest 3 feet
at 15 seconds. Isolated showers.

$$

PHZ114-040200-
Oahu Windward Waters-
304 AM HST Wed Sep 3 2025

.TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds and northwest 3 feet at
12 seconds.
.TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and northwest 3 feet
at 11 seconds. Isolated showers after midnight.
.THURSDAY...East winds to 15 knots. Seas to 4 feet. Wave Detail:
East southeast 3 feet at 5 seconds. Isolated showers in the
morning.
.THURSDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 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 6 seconds. Scattered showers in the
morning. Isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers in the
evening, then scattered showers after midnight.
.SATURDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Scattered showers in
the morning, then isolated showers in the afternoon. Scattered
showers through the day.
.SUNDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Scattered showers in
the morning, then isolated showers through the night. Scattered
showers after midnight.

$$

PHZ115-040200-
Oahu Leeward Waters-
304 AM HST Wed Sep 3 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.THURSDAY NIGHT...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.
.FRIDAY...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.
.FRIDAY NIGHT...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 evening. Scattered showers after midnight.
.SATURDAY...East northeast winds 7 to 10 knots. Seas 3 to 5 feet.
Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet
at 16 seconds. Isolated showers through the night. Scattered
showers through the day.
.SUNDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 3 feet at 5 seconds and south southwest 3 feet
at 15 seconds. Scattered showers in the morning. Isolated
showers.

$$

PHZ116-040200-
Kaiwi Channel-
304 AM HST Wed Sep 3 2025

.TODAY...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds and northwest 3 feet
at 12 seconds.
.TONIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 5 seconds and north northwest 3 feet
at 11 seconds. Isolated showers after midnight.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.THURSDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers
after midnight.
.FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers in the
morning.
.FRIDAY 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, then scattered showers after midnight.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: East 3 feet at 5 seconds and south southwest
3 feet at 15 seconds. Isolated showers. Scattered showers after
midnight.
.SUNDAY...East northeast winds 10 to 15 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. Isolated showers
after midnight.

$$

PHZ117-040200-
Maui County Windward Waters-
304 AM HST Wed Sep 3 2025

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

$$

PHZ118-040200-
Maui County Leeward Waters-
304 AM HST Wed Sep 3 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.TONIGHT...East winds 10 to 15 knots. Seas to 3 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.THURSDAY...East northeast winds 10 to 15 knots, becoming east
southeast 15 to 20 knots in the afternoon. Seas to 3 feet. Wave
Detail: East southeast 3 feet at 5 seconds.
.THURSDAY NIGHT...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.
.FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers in
the morning.
.FRIDAY NIGHT...East northeast winds 7 to 10 knots. Seas to
3 feet. Wave Detail: East southeast 3 feet at 5 seconds.
Scattered showers.
.SATURDAY...East northeast winds 7 to 10 knots, becoming 10 to
15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East
southeast 3 feet at 4 seconds and south southwest 3 feet at
16 seconds. Scattered showers in the morning, then isolated
showers in the afternoon. Scattered showers through the day.
.SUNDAY...East northeast winds 7 to 10 knots, becoming 10 to
15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at
5 seconds and south southwest 3 feet at 15 seconds. Isolated
showers in the morning. Isolated showers through the day.

$$

PHZ119-040200-
Maalaea Bay-
304 AM HST Wed Sep 3 2025

.TODAY...North winds to 20 knots. Seas to 2 feet or less.
.TONIGHT...North winds to 20 knots. Seas to 2 feet or less.
.THURSDAY...North winds to 20 knots. Seas to 2 feet or less.
.THURSDAY NIGHT...North winds to 20 knots. Seas to 2 feet or
less.
.FRIDAY...North winds to 20 knots. Seas to 2 feet or less.
.FRIDAY NIGHT...North winds to 20 knots, easing to 15 knots after
midnight. Seas to 2 feet or less.
.SATURDAY...North winds to 15 knots. Seas to 2 feet or less.
Isolated showers through the night.
.SUNDAY...North winds to 15 knots, rising to 20 knots. Seas to
2 feet or less.

$$

PHZ120-040200-
Pailolo Channel-
304 AM HST Wed Sep 3 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 3 feet.
Wave Detail: East 3 feet at 4 seconds.
.TONIGHT...East northeast winds 15 to 20 knots. Seas to 3 feet.
Wave Detail: East 3 feet at 4 seconds. Isolated showers after
midnight.
.THURSDAY...East northeast winds 15 to 20 knots. Seas to 3 feet.
Wave Detail: East 3 feet at 4 seconds.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
3 feet. Wave Detail: East 3 feet at 4 seconds.
.FRIDAY...East northeast winds 15 to 20 knots. Seas to 3 feet.
.FRIDAY NIGHT...East northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas to 3 feet. Isolated showers
after midnight.
.SATURDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.
Scattered showers through the night. Isolated showers through the
day.
.SUNDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots. Seas to 3 feet.

$$

PHZ121-040200-
Alenuihaha Channel-
304 AM HST Wed Sep 3 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers after
midnight.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers
in the morning.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers after
midnight.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers in the
morning.
.FRIDAY NIGHT...East northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail:
East 4 feet at 5 seconds. Isolated showers in the evening, then
scattered showers after midnight.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: East 3 feet at 5 seconds and south southwest
3 feet at 15 seconds. Scattered showers in the morning, then
isolated showers through the night. Scattered showers after
midnight.
.SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 5 seconds, east 3 feet at 11 seconds
and south southwest 3 feet at 15 seconds. Isolated showers in the
morning. Isolated showers through the day.

$$

PHZ122-040200-
Big Island Windward Waters-
304 AM HST Wed Sep 3 2025

.TODAY...East winds 7 to 10 knots, becoming 10 to 15 knots this
afternoon. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at
12 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 11 seconds and northwest 3 feet
at 12 seconds. Isolated showers.
.THURSDAY...East winds 15 to 20 knots, easing to 10 to 15 knots
in the afternoon. Seas 3 to 4 feet. Wave Detail: East southeast
3 feet at 10 seconds. Scattered showers in the morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 5 seconds. Isolated
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 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 10 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 3 feet at 10 seconds and south southwest 3 feet at
16 seconds. Scattered showers.
.SUNDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet.
Wave Detail: East southeast 4 feet at 7 seconds and south
southwest 3 feet at 15 seconds. Scattered showers in the morning,
then isolated showers in the afternoon. Scattered showers through
the day.

$$

PHZ123-040200-
Big Island Leeward Waters-
304 AM HST Wed Sep 3 2025

.TODAY...West of the Big Island, northwest winds 7 to 10 knots.
Near South Point, east winds 15 to 20 knots, veering to east
southeast this afternoon. Seas 3 to 5 feet. Wave Detail:
Southeast 3 feet at 4 seconds.
.TONIGHT...West of the Big Island, west winds 7 to 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 southeast
3 feet at 4 seconds. Isolated showers after midnight.
.THURSDAY...West of the Big Island, northwest winds 7 to
10 knots. Near South Point, east winds 15 to 20 knots, becoming
to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East
southeast 3 feet at 4 seconds.
.THURSDAY NIGHT...West of the Big Island, winds variable less
than 10 knots. Near South Point, east winds 15 to 20 knots,
backing to east northeast after midnight. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers after
midnight.
.FRIDAY...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 5 seconds. Isolated showers.
.FRIDAY 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 3 feet at 5 seconds. Scattered showers.
.SATURDAY...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 and south
southwest 3 feet at 16 seconds. Isolated showers through the
night. Scattered showers through the day.
.SUNDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east northeast winds 10 to 15 knots,
rising to 15 to 20 knots after midnight. Seas 4 to 6 feet. Wave
Detail: East 3 feet at 4 seconds and south southwest 3 feet at
15 seconds. Isolated showers.

$$

PHZ124-040200-
Big Island Southeast Waters-
304 AM HST Wed Sep 3 2025

.TODAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 3 feet at 11 seconds. Isolated
showers this morning.
.TONIGHT...East northeast winds 10 to 15 knots, rising to 15 to
20 knots after midnight. Seas 3 to 4 feet. Wave Detail: East
3 feet at 11 seconds. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers in the
morning.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers.
.FRIDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 5 seconds. Scattered showers, mainly
in the morning.
.FRIDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers.
.SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 7 seconds and south southwest
3 feet at 16 seconds. Scattered showers.
.SUNDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 6 seconds, east southeast 4 feet at
11 seconds and south southwest 3 feet at 15 seconds. Isolated
showers, then scattered showers after midnight.

$$