Hawaiian Coastal Waters Forecast

Coastal Waters Forecast   Issued: 09/10/2026 11:30:00 PM UTC

                        

592

FZHW50 PHFO 101330

CWFHFO



Coastal Waters Forecast

National Weather Service Honolulu HI

330 AM HST Thu Sep 10 2026



Hawaiian coastal waters within 40 nautical miles including the

Hawaiian Islands Humpback Whale National Marine Sanctuary.



PHZ100-110200-

330 AM HST Thu Sep 10 2026



.Synopsis for Hawaiian coastal waters...

A surface trough moving westward across the state will allow

moderate to locally fresh trade winds to return from east to west

across the island chain persisting into the weekend.



$$



PHZ110-110200-

Kauai Northwest Waters-

330 AM HST Thu Sep 10 2026



.TODAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave

Detail: East 4 feet at 6 seconds, north northwest 3 feet at

9 seconds and east 3 feet at 12 seconds. Scattered showers.

.TONIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:

East 4 feet at 6 seconds and east 3 feet at 11 seconds. Scattered

showers.

.FRIDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:

East 4 feet at 5 seconds. Scattered showers.

.FRIDAY NIGHT...East winds 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 in the

morning, then to 2 feet or less. Wave Detail: East 3 feet at

5 seconds. Scattered showers.

.SATURDAY NIGHT...East winds 10 to 15 knots. Seas to 2 feet or

less. Scattered showers, mainly in the evening.

.SUNDAY...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail:

East 3 feet at 5 seconds. Isolated showers. Scattered showers

after midnight.

.MONDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: East 3 feet at 5 seconds. Isolated showers.

Scattered showers after midnight.



$$



PHZ111-110200-

Kauai Windward Waters-

330 AM HST Thu Sep 10 2026



.TODAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave

Detail: East 4 feet at 6 seconds, north northwest 3 feet at

9 seconds, east 3 feet at 12 seconds and south southwest 3 feet

at 13 seconds. Scattered showers.

.TONIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave

Detail: East southeast 4 feet at 5 seconds and east 3 feet at

11 seconds. Scattered showers.

.FRIDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:

East southeast 4 feet at 5 seconds. Scattered showers, mainly in

the morning.

.FRIDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave

Detail: East southeast 3 feet at 5 seconds. Scattered showers.

.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet in the

morning, then to 2 feet or less. Wave Detail: East southeast

3 feet at 5 seconds. Scattered showers, mainly in the morning.

.SATURDAY NIGHT...East winds 10 to 15 knots. Seas to 2 feet or

less. Scattered showers.

.SUNDAY...East winds to 10 knots, becoming east northeast in the

afternoon and evening, then becoming east after midnight. Seas to

3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated

showers, then scattered showers after midnight.

.MONDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: East southeast 3 feet at 5 seconds. Scattered

showers in the morning, then isolated showers through the night.

Scattered showers after midnight.



$$



PHZ112-110200-

Kauai Leeward Waters-

330 AM HST Thu Sep 10 2026



.TODAY...Northeast winds 7 to 10 knots, veering to east 10 to

15 knots this afternoon. Seas 4 to 5 feet. Wave Detail: East

3 feet at 6 seconds, north northwest 3 feet at 9 seconds and

south southwest 3 feet at 13 seconds. Scattered showers.

.TONIGHT...East winds 7 to 10 knots, becoming 10 to 15 knots

after midnight. Seas 3 to 5 feet. Wave Detail: East 3 feet at

6 seconds and south southwest 3 feet at 12 seconds. Scattered

showers.

.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave

Detail: East northeast 3 feet at 5 seconds. Scattered showers.

.FRIDAY NIGHT...East winds 10 to 15 knots. Seas to 3 feet. Wave

Detail: East 3 feet at 5 seconds. Scattered showers.

.SATURDAY...East winds 10 to 15 knots. Seas to 3 feet in the

morning, then to 2 feet or less. Wave Detail: East 3 feet at

5 seconds. Scattered showers.

.SATURDAY NIGHT...East winds 10 to 15 knots. Seas to 3 feet. Wave

Detail: East 3 feet at 5 seconds. Scattered showers.

.SUNDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: East 3 feet at 5 seconds. Isolated showers.

Scattered showers after midnight.

.MONDAY...East northeast winds 10 to 15 knots. In the Kaulakahi

Channel, east northeast winds 10 to 15 knots, becoming variable

less than 10 knots. Seas to 3 feet. Wave Detail: East 3 feet at

5 seconds. Isolated showers. Scattered showers after midnight.



$$



PHZ113-110200-

Kauai Channel-

330 AM HST Thu Sep 10 2026



.TODAY...East winds 10 to 15 knots, rising to 15 to 20 knots this

afternoon. Seas 4 to 6 feet. Wave Detail: East 4 feet at

5 seconds, east 3 feet at 12 seconds and south southwest 3 feet

at 13 seconds. Scattered showers.

.TONIGHT...East winds 15 to 20 knots, easing to 10 to 15 knots

after midnight. Seas 4 to 6 feet. Wave Detail: East 4 feet at

5 seconds. Scattered showers.

.FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.

Wave Detail: East northeast 4 feet at 5 seconds. Scattered

showers, mainly in the morning.

.FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to

4 feet. Wave Detail: East northeast 3 feet at 5 seconds.

Scattered showers.

.SATURDAY...East northeast winds 10 to 15 knots. Seas to 3 feet

in the morning, then to 2 feet or less. Wave Detail: East 3 feet

at 4 seconds. Isolated showers.

.SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas to

3 feet. Scattered showers, mainly in the evening.

.SUNDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: East 3 feet at 5 seconds. Isolated showers.

Scattered showers after midnight.

.MONDAY...Northeast winds 10 to 15 knots. Seas to 3 feet. Wave

Detail: East northeast 3 feet at 5 seconds. Isolated showers.

Scattered showers after midnight.



$$



PHZ114-110200-

Oahu Windward Waters-

330 AM HST Thu Sep 10 2026



.TODAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave

Detail: East southeast 4 feet at 6 seconds and east 3 feet at

12 seconds. Scattered showers. A slight chance of thunderstorms

this afternoon.

.TONIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail:

East southeast 4 feet at 5 seconds and east 3 feet at 11 seconds.

Scattered showers.

.FRIDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:

East 4 feet at 5 seconds and east 3 feet at 11 seconds. Scattered

showers, mainly in the morning.

.FRIDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave

Detail: East southeast 3 feet at 4 seconds. Scattered showers.

.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet in the

morning, then to 2 feet or less. Wave Detail: East southeast

3 feet at 4 seconds. Scattered showers, mainly in the morning.

.SATURDAY NIGHT...East winds 10 to 15 knots. Seas to 2 feet or

less. Scattered showers.

.SUNDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: East 3 feet at 5 seconds. Isolated showers, then

scattered showers after midnight.

.MONDAY...East northeast winds to 15 knots, easing to 10 knots

after midnight. Seas to 3 feet. Wave Detail: East 3 feet at

5 seconds. Scattered showers in the morning, then isolated

showers through the night. Scattered showers after midnight.



Winds and seas higher in and near tstms.



$$



PHZ115-110200-

Oahu Leeward Waters-

330 AM HST Thu Sep 10 2026



.TODAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave

Detail: East 3 feet at 6 seconds and south southwest 3 feet at

13 seconds. Scattered heavy showers.

.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 12 seconds. Scattered showers.

.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave

Detail: East 3 feet at 5 seconds. Scattered showers, mainly in

the morning.

.FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas to

3 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers.

.SATURDAY...East northeast winds 10 to 15 knots. Seas to 3 feet

in the morning, then to 2 feet or less. Isolated showers.

.SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas to

2 feet or less. Isolated showers.

.SUNDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: East 3 feet at 5 seconds. Isolated showers in the

morning. Isolated showers through the day.

.MONDAY...Northeast winds 10 to 15 knots. Seas to 3 feet. Wave

Detail: East northeast 3 feet at 4 seconds. Isolated showers in

the morning. Isolated showers through the day.



$$



PHZ116-110200-

Kaiwi Channel-

330 AM HST Thu Sep 10 2026



.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.

Wave Detail: East 4 feet at 5 seconds, east 3 feet at 12 seconds

and south southwest 3 feet at 13 seconds. Scattered showers,

mainly this morning.

.TONIGHT...East northeast winds to 15 knots. Seas 4 to 5 feet.

Wave Detail: East northeast 4 feet at 5 seconds, east 3 feet at

11 seconds and south southwest 3 feet at 12 seconds. Scattered

showers.

.FRIDAY...East northeast winds to 15 knots. Seas 3 to 5 feet.

Wave Detail: East northeast 3 feet at 5 seconds. Isolated

showers.

.FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to

4 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated

showers in the evening, then scattered showers after midnight.

.SATURDAY...East northeast winds 10 to 15 knots. Seas to 3 feet

in the morning, then to 2 feet or less. Wave Detail: East

northeast 3 feet at 4 seconds. Isolated showers.

.SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas to

2 feet or less. Isolated showers.

.SUNDAY...East northeast winds to 15 knots. Seas to 3 feet. Wave

Detail: East northeast 3 feet at 5 seconds. Isolated showers in

the morning. Isolated showers through the day.

.MONDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: East northeast 3 feet at 4 seconds. Isolated

showers.



$$



PHZ117-110200-

Maui County Windward Waters-

330 AM HST Thu Sep 10 2026



.TODAY...East winds 15 to 20 knots. Seas to 5 feet. Wave Detail:

East southeast 4 feet at 5 seconds and east 3 feet at 12 seconds.

Scattered showers, mainly this morning.

.TONIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:

East northeast 3 feet at 4 seconds and east 3 feet at 11 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: Northeast 3 feet at 4 seconds. Scattered showers.

.FRIDAY NIGHT...East winds 10 to 15 knots. Seas to 3 feet.

Scattered showers.

.SATURDAY...East winds 10 to 15 knots. Seas to 3 feet in the

morning, then to 2 feet or less. Scattered showers, mainly in the

morning.

.SATURDAY NIGHT...East winds 10 to 15 knots. Seas to 2 feet or

less. Scattered showers.

.SUNDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: East 3 feet at 4 seconds. Isolated showers, then

scattered showers after midnight.

.MONDAY...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail:

Northeast 3 feet at 4 seconds. Scattered showers in the morning,

then isolated showers in the afternoon. Scattered showers through

the day.



$$



PHZ118-110200-

Maui County Leeward Waters-

330 AM HST Thu Sep 10 2026



.TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave

Detail: East southeast 3 feet at 5 seconds and south southwest

3 feet at 13 seconds. Scattered showers.

.TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.

Wave Detail: East southeast 3 feet at 5 seconds and south

southwest 3 feet at 12 seconds. Scattered showers.

.FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave

Detail: East southeast 3 feet at 4 seconds. Isolated showers.

.FRIDAY NIGHT...East northeast winds 7 to 10 knots. Seas to

3 feet. Isolated showers in the evening, then scattered showers

after midnight.

.SATURDAY...East northeast winds 7 to 10 knots. Seas to 2 feet or

less. Isolated showers.

.SATURDAY NIGHT...East northeast winds 7 to 10 knots. Seas to

2 feet or less. Isolated showers.

.SUNDAY...East northeast winds 7 to 10 knots, backing to

northeast 10 to 15 knots. Seas to 2 feet or less. Isolated

showers in the morning. Isolated showers through the day.

.MONDAY...Northeast winds 10 to 15 knots, veering to east

northeast 7 to 10 knots. Seas to 2 feet or less. Isolated showers

through the day.



$$



PHZ119-110200-

Maalaea Bay-

330 AM HST Thu Sep 10 2026



.TODAY...North northeast winds to 20 knots. Seas to 2 feet or

less. Isolated showers.

.TONIGHT...North winds to 20 knots. Seas to 2 feet or less.

Isolated showers in the evening.

.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, rising to 20 knots in the

afternoon. Seas to 2 feet or less.

.SATURDAY NIGHT...North winds to 20 knots, easing to 15 knots

after midnight. Seas to 2 feet or less.

.SUNDAY...North winds to 20 knots, easing to 15 knots after

midnight. Seas to 2 feet or less.

.MONDAY...North winds to 20 knots, easing to 15 knots. Seas to

2 feet or less.



$$



PHZ120-110200-

Pailolo Channel-

330 AM HST Thu Sep 10 2026



.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.

Wave Detail: East northeast 3 feet at 5 seconds. Scattered

showers, mainly this morning.

.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.

Wave Detail: East northeast 3 feet at 4 seconds. Isolated

showers.

.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.

Scattered showers in the morning. Isolated showers in the

afternoon.

.FRIDAY NIGHT...East northeast winds 15 to 20 knots, easing to

10 to 15 knots after midnight. Seas to 3 feet. Scattered showers.

.SATURDAY...East northeast winds 10 to 15 knots, rising to 15 to

20 knots in the afternoon. Seas to 2 feet or less. Isolated

showers.

.SATURDAY NIGHT...East northeast winds 15 to 20 knots, easing to

10 to 15 knots after midnight. Seas to 2 feet or less. Scattered

showers in the evening. Isolated showers after midnight.

.SUNDAY...East northeast winds 15 to 20 knots, easing to 10 to

15 knots after midnight. Seas to 2 feet or less. Isolated

showers. Scattered showers after midnight.

.MONDAY...East northeast winds 15 to 20 knots, easing to 10 to

15 knots. Seas to 2 feet or less. Isolated showers. Scattered

showers after midnight.



$$



PHZ121-110200-

Alenuihaha Channel-

330 AM HST Thu Sep 10 2026



.TODAY...East northeast winds to 20 knots. Seas 4 to 6 feet. Wave

Detail: East northeast 5 feet at 5 seconds, east 3 feet at

12 seconds and south southwest 3 feet at 13 seconds. Scattered

showers, mainly this morning.

.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.

Wave Detail: East northeast 4 feet at 5 seconds, east 3 feet at

11 seconds and south southwest 3 feet at 12 seconds. Scattered

showers.

.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.

Wave Detail: East northeast 3 feet at 4 seconds. Isolated

showers.

.FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to

4 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated

showers in the evening, then scattered showers after midnight.

.SATURDAY...East northeast winds 10 to 15 knots, rising to 15 to

20 knots in the afternoon. Seas to 3 feet. Wave Detail: East

northeast 3 feet at 4 seconds. Isolated showers.

.SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas to

3 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated

showers in the evening, then scattered showers after midnight.

.SUNDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.

Wave Detail: East northeast 4 feet at 5 seconds. Isolated

showers. Scattered showers after midnight.

.MONDAY...East northeast winds 15 to 20 knots, easing to 10 to

15 knots. Seas to 3 feet. Wave Detail: East northeast 3 feet at

4 seconds. Isolated showers. Scattered showers after midnight.



$$



PHZ122-110200-

Big Island Windward Waters-

330 AM HST Thu Sep 10 2026



.TODAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave

Detail: Northeast 3 feet at 4 seconds, east 3 feet at 12 seconds

and south southwest 3 feet at 13 seconds. Scattered showers this

morning, then isolated showers with a slight chance of

thunderstorms this afternoon.

.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave

Detail: East 3 feet at 11 seconds. Isolated showers.

.FRIDAY...East northeast winds to 10 knots. Seas 3 to 4 feet.

Isolated showers.

.FRIDAY NIGHT...East northeast winds to 10 knots. Seas to 3 feet.

Isolated showers in the evening, then scattered showers after

midnight.

.SATURDAY...East northeast winds 10 to 15 knots. Seas to 3 feet

in the morning, then to 2 feet or less. Isolated showers.

.SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas to

2 feet or less. Scattered showers.

.SUNDAY...Northeast winds 10 to 15 knots. Seas to 2 feet or less.

Isolated showers through the night, then scattered showers

through the day.

.MONDAY...East northeast winds 10 to 15 knots, veering to east

7 to 10 knots after midnight. Seas to 2 feet or less. Scattered

showers.



Winds and seas higher in and near tstms.



$$



PHZ123-110200-

Big Island Leeward Waters-

330 AM HST Thu Sep 10 2026



.TODAY...West of the Big Island, winds variable less than

10 knots, becoming west southwest 7 to 10 knots this afternoon.

Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet.

Wave Detail: East northeast 3 feet at 5 seconds and south

southwest 3 feet at 13 seconds. Numerous showers this morning,

then scattered showers with a slight chance of thunderstorms this

afternoon.

.TONIGHT...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: Northeast 3 feet at 4 seconds and south southwest

3 feet at 12 seconds. Scattered showers.

.FRIDAY...Winds variable less than 10 knots west of the Big

Island...East to 15 knots near South Point. Seas 3 to 4 feet.

Scattered showers, mainly in the morning.

.FRIDAY NIGHT...West of the Big Island, winds variable less than

10 knots. Near South Point, east winds to 15 knots, becoming

10 to 15 knots after midnight. Seas to 3 feet. Scattered showers.

.SATURDAY...Winds variable less than 10 knots west of the Big

Island...East 10 to 15 knots near South Point. Seas to 3 feet in

the morning, then to 2 feet or less. Isolated showers.

.SATURDAY NIGHT...Winds variable less than 10 knots west of the

Big Island...East northeast 10 to 15 knots near South Point. Seas

to 2 feet or less. Isolated showers in the evening, then

scattered showers after midnight.

.SUNDAY...West of the Big Island, winds variable less than

10 knots. winds variable less than 10 knots after midnight. Near

South Point, east northeast winds 10 to 15 knots, backing to

northeast 7 to 10 knots in the afternoon and evening. Seas to

3 feet. Isolated showers. Scattered showers after midnight.

.MONDAY...West of the Big Island, winds variable less than

10 knots. Near Kawaihae, north northeast winds 10 to 15 knots,

veering to east northeast 7 to 10 knots. Seas to 2 feet or less.

Isolated showers. Scattered showers after midnight.



Winds and seas higher in and near tstms.



$$



PHZ124-110200-

Big Island Southeast Waters-

330 AM HST Thu Sep 10 2026



.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.

Wave Detail: East 3 feet at 4 seconds, east 3 feet at 12 seconds

and south southwest 3 feet at 13 seconds. Scattered showers.

.TONIGHT...East northeast winds to 15 knots. Seas 3 to 5 feet.

Wave Detail: East 3 feet at 11 seconds. Scattered showers.

.FRIDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.

Isolated showers.

.FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to

4 feet. Scattered showers.

.SATURDAY...East northeast winds 10 to 15 knots. Seas to 3 feet

in the morning, then to 2 feet or less. Isolated showers.

.SATURDAY NIGHT...East northeast winds to 15 knots. Seas to

3 feet. Wave Detail: East northeast 3 feet at 4 seconds.

Scattered showers.

.SUNDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave

Detail: Northeast 4 feet at 5 seconds. Isolated showers through

the night, then scattered showers through the day.

.MONDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: Northeast 3 feet at 4 seconds. Scattered showers.



$$