Hawaiian Coastal Waters Forecast

Coastal Waters Forecast   Issued: 09/12/2026 11:22:00 PM UTC

                        

137

FZHW50 PHFO 121322

CWFHFO



Coastal Waters Forecast

National Weather Service Honolulu HI

322 AM HST Sat Sep 12 2026



Hawaiian coastal waters within 40 nautical miles including the

Hawaiian Islands Humpback Whale National Marine Sanctuary.



PHZ100-130215-

322 AM HST Sat Sep 12 2026



.Synopsis for Hawaiian coastal waters...

Moderate to locally fresh northeast to east trade winds will

continue through the forecast period. A tropical disturbance

moving in from the trade winds may bring an increase of showers

tothe coastal waters by next week Tuesday into Wednesday.



$$



PHZ110-130215-

Kauai Northwest Waters-

322 AM HST Sat Sep 12 2026



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

East southeast 3 feet at 5 seconds. Isolated light showers this

morning.

.TONIGHT...East winds to 10 knots. Seas to 2 feet or less.

Isolated light showers.

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

East 3 feet at 5 seconds.

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

3 feet. Wave Detail: East 3 feet at 6 seconds. Isolated light

showers after midnight.

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

East 3 feet at 6 seconds. Isolated light showers.

.MONDAY NIGHT...East northeast winds to 15 knots. Seas 3 to

4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated light

showers in the evening, then scattered showers after midnight.

.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 4 feet at 6 seconds. Scattered showers in the

morning. Isolated light showers.

.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to

5 feet. Wave Detail: East 4 feet at 6 seconds and southwest

3 feet at 16 seconds. Isolated light showers through the night.

Scattered showers in the evening, then showers likely after

midnight.



$$



PHZ111-130215-

Kauai Windward Waters-

322 AM HST Sat Sep 12 2026



.TODAY...East winds to 10 knots. Seas to 3 feet this morning,

then to 2 feet or less. Wave Detail: Southeast 3 feet at

4 seconds. Isolated light showers this morning.

.TONIGHT...East winds to 10 knots. Seas to 2 feet or less.

Isolated light showers.

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

Detail: East southeast 3 feet at 5 seconds.

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

Wave Detail: East 3 feet at 6 seconds. Isolated light showers

after midnight.

.MONDAY...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail:

East 3 feet at 6 seconds. Isolated light showers.

.MONDAY NIGHT...East northeast 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.

.TUESDAY...East northeast winds 10 to 15 knots. Seas to 4 feet.

Wave Detail: East 4 feet at 6 seconds. Scattered showers in the

morning, then isolated light showers.

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

Wave Detail: East 5 feet at 6 seconds. Isolated light showers in

the morning, then scattered showers in the afternoon. Showers

likely through the day.



$$



PHZ112-130215-

Kauai Leeward Waters-

322 AM HST Sat Sep 12 2026



.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.

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

East 3 feet at 5 seconds.

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

3 feet. Wave Detail: East northeast 3 feet at 6 seconds. Isolated

light showers after midnight.

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

Wave Detail: East northeast 3 feet at 6 seconds. Isolated light

showers in the afternoon.

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

4 feet. Wave Detail: East northeast 4 feet at 6 seconds. Isolated

light showers.

.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East northeast 4 feet at 6 seconds. Isolated light

showers after midnight.

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

20 knots. Seas 4 to 5 feet. Wave Detail: East northeast 4 feet at

6 seconds and southwest 3 feet at 16 seconds. Isolated light

showers through the night. Scattered showers through the day.



$$



PHZ113-130215-

Kauai Channel-

322 AM HST Sat Sep 12 2026



.TODAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East southeast 3 feet at 5 seconds.

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

Wave Detail: East southeast 3 feet at 5 seconds.

.SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East northeast 4 feet at 5 seconds.

.SUNDAY NIGHT...East northeast winds to 15 knots. Seas 3 to

4 feet. Wave Detail: East northeast 4 feet at 6 seconds. Isolated

light showers after midnight.

.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East northeast 4 feet at 6 seconds. Isolated light

showers.

.MONDAY NIGHT...East northeast winds to 15 knots. Seas 3 to

4 feet. Wave Detail: East northeast 4 feet at 6 seconds. Isolated

light showers.

.TUESDAY...East northeast winds 10 to 15 knots. Seas to 4 feet.

Wave Detail: East northeast 4 feet at 6 seconds. Isolated light

showers.

.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to

6 feet. Wave Detail: East northeast 4 feet at 6 seconds and

southwest 3 feet at 16 seconds. Isolated light showers through

the night, then scattered showers in the evening. Showers likely

after midnight.



$$



PHZ114-130215-

Oahu Windward Waters-

322 AM HST Sat Sep 12 2026



.TODAY...East winds 10 to 15 knots. Seas to 3 feet this morning,

then to 2 feet or less.

.TONIGHT...East winds 10 to 15 knots. Seas to 2 feet or less.

Isolated light showers.

.SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 4 feet at 5 seconds.

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

4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated light

showers.

.MONDAY...East northeast winds 10 to 15 knots. Seas to 4 feet.

Wave Detail: East 4 feet at 6 seconds. Isolated light showers.

.MONDAY NIGHT...East northeast winds to 15 knots. Seas to 4 feet.

Wave Detail: East 4 feet at 6 seconds. Isolated light showers.

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

Wave Detail: East 5 feet at 6 seconds. Isolated light showers.

.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 5 to

6 feet. Wave Detail: East northeast 5 feet at 6 seconds.

Scattered showers through the night, then showers likely through

the day.



$$



PHZ115-130215-

Oahu Leeward Waters-

322 AM HST Sat Sep 12 2026



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

Detail: East southeast 3 feet at 5 seconds.

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

Wave Detail: East southeast 3 feet at 5 seconds.

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

Wave Detail: East 3 feet at 5 seconds.

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

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

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

Wave Detail: East northeast 3 feet at 5 seconds.

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

3 feet. Wave Detail: East northeast 3 feet at 6 seconds.

.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East northeast 3 feet at 6 seconds.

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

20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at

6 seconds and southwest 3 feet at 16 seconds. Isolated light

showers in the afternoon. Scattered showers through the day.



$$



PHZ116-130215-

Kaiwi Channel-

322 AM HST Sat Sep 12 2026



.TODAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 3 feet at 4 seconds.

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

Wave Detail: East 3 feet at 4 seconds.

.SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East northeast 4 feet at 5 seconds.

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

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

light showers after midnight.

.MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

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

showers.

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

4 feet. Wave Detail: Northeast 4 feet at 6 seconds. Isolated

light showers.

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

Wave Detail: East northeast 5 feet at 6 seconds. Isolated light

showers.

.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to

5 feet. Wave Detail: East northeast 5 feet at 6 seconds.

Scattered showers through the night, then showers likely through

the day.



$$



PHZ117-130215-

Maui County Windward Waters-

322 AM HST Sat Sep 12 2026



.TODAY...East winds 10 to 15 knots. Seas to 2 feet or less.

Isolated light showers this morning.

.TONIGHT...East winds 10 to 15 knots. Seas to 2 feet or less.

.SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East northeast 4 feet at 5 seconds.

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

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

light showers.

.MONDAY...East northeast winds 10 to 15 knots. Seas to 4 feet.

Wave Detail: Northeast 4 feet at 5 seconds. Isolated light

showers.

.MONDAY NIGHT...East northeast winds to 15 knots. Seas to 4 feet.

Wave Detail: Northeast 4 feet at 6 seconds. Isolated light

showers.

.TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave

Detail: East northeast 5 feet at 6 seconds. Isolated light

showers through the night, then scattered showers through the

day.

.WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave

Detail: East northeast 5 feet at 6 seconds. Scattered showers in

the morning, then showers likely.



$$



PHZ118-130215-

Maui County Leeward Waters-

322 AM HST Sat Sep 12 2026



.TODAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet.

Wave Detail: East southeast 3 feet at 5 seconds.

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

Detail: East southeast 3 feet at 5 seconds.

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

northeast 10 to 15 knots in the afternoon. Seas to 3 feet.

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

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

.MONDAY...Northeast winds 7 to 10 knots. Seas to 3 feet. Wave

Detail: East 3 feet at 4 seconds.

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

.TUESDAY...Northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave

Detail: East 3 feet at 5 seconds.

.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to

4 feet. Wave Detail: East 3 feet at 5 seconds and southwest

3 feet at 16 seconds. Isolated light showers in the afternoon.

Scattered showers through the day.



$$



PHZ119-130215-

Maalaea Bay-

322 AM HST Sat Sep 12 2026



.TODAY...North winds 15 to 20 knots. Seas to 2 feet or less.

.TONIGHT...North winds 15 to 20 knots. Seas to 2 feet or less.

.SUNDAY...North northeast winds to 15 knots, rising to 20 knots

in the afternoon. Seas to 2 feet or less.

.SUNDAY NIGHT...North winds to 20 knots. Seas to 2 feet or less.

.MONDAY...North winds to 15 knots, rising to 20 knots in the

afternoon. Seas to 2 feet or less.

.MONDAY NIGHT...North winds to 20 knots. Seas to 2 feet or less.

.TUESDAY...North winds to 15 knots, rising to 20 knots. Seas to

2 feet or less.

.WEDNESDAY...North winds to 20 knots, rising to 25 knots. Seas to

2 feet or less. Scattered showers.



$$



PHZ120-130215-

Pailolo Channel-

322 AM HST Sat Sep 12 2026



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

20 knots this afternoon. Seas 3 to 4 feet this morning, then to

2 feet or less. Wave Detail: East 3 feet at 4 seconds.

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

.SUNDAY...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.

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

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

.MONDAY...East northeast winds 15 to 20 knots. Seas to 3 feet.

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

showers in the afternoon.

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

4 feet. Wave Detail: East northeast 3 feet at 6 seconds.

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

20 knots. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at

6 seconds. Isolated light showers.

.WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to

25 knots. Seas 3 to 4 feet. Wave Detail: East northeast 4 feet at

6 seconds. Scattered showers. Showers likely after midnight.



$$



PHZ121-130215-

Alenuihaha Channel-

322 AM HST Sat Sep 12 2026



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

Wave Detail: East 4 feet at 5 seconds.

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

Wave Detail: East 4 feet at 5 seconds.

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

20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East

northeast 4 feet at 5 seconds.

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

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

light showers after midnight.

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

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

showers.

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

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

light showers after midnight.

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

20 knots. Seas 3 to 4 feet. Wave Detail: East northeast 4 feet at

5 seconds. Isolated showers.

.WEDNESDAY...East northeast winds 15 to 20 knots, rising to 20 to

25 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at

6 seconds and southwest 3 feet at 17 seconds. Isolated light

showers through the night. Scattered showers through the day.



$$



PHZ122-130215-

Big Island Windward Waters-

322 AM HST Sat Sep 12 2026



.TODAY...East northeast winds 10 to 15 knots. Seas to 2 feet or

less. Isolated light showers this morning.

.TONIGHT...East northeast winds 10 to 15 knots. Seas to 2 feet or

less.

.SUNDAY...Northeast winds 10 to 15 knots, rising to 15 to

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

northeast 3 feet at 5 seconds. Isolated light showers in the

afternoon.

.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas to 3 feet.

Wave Detail: North northeast 3 feet at 5 seconds. Isolated light

showers.

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

Detail: North northeast 3 feet at 5 seconds. Isolated light

showers.

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

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

Isolated light showers.

.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: North northeast 4 feet at 5 seconds. Isolated light

showers through the night, then scattered showers in the evening.

Showers likely after midnight.

.WEDNESDAY...East northeast winds 15 to 20 knots. Seas 3 to

4 feet. Wave Detail: North northeast 4 feet at 5 seconds. Showers

likely.



$$



PHZ123-130215-

Big Island Leeward Waters-

322 AM HST Sat Sep 12 2026



.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 to 15 knots. Seas 3 to 4 feet. Wave

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

showers.

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

10 knots, becoming south southwest 7 to 10 knots after midnight.

Near South Point, east winds 10 to 15 knots. Seas to 3 feet. Wave

Detail: Northeast 3 feet at 4 seconds. Isolated light showers.

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

10 knots. Near Kawaihae, east northeast winds 7 to 10 knots,

backing to northeast 10 to 15 knots in the afternoon. Seas 3 to

4 feet. Wave Detail: North northeast 3 feet at 6 seconds.

Isolated light showers in the morning.

.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big

Island...East northeast 10 to 15 knots near Kawaihae. Seas 3 to

4 feet. Wave Detail: North northeast 3 feet at 6 seconds.

Isolated light showers after midnight.

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

Island...East northeast 7 to 10 knots near South Point. Seas to

3 feet. Wave Detail: North northeast 3 feet at 5 seconds.

Isolated light showers in the morning.

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

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

backing to northeast 7 to 10 knots after midnight. Seas to

3 feet. Wave Detail: North northeast 3 feet at 6 seconds.

Isolated light showers after midnight.

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

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

3 feet. Wave Detail: Northeast 3 feet at 5 seconds. Isolated

light showers.

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

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

3 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds. Isolated

light showers in the morning, then scattered showers.



$$



PHZ124-130215-

Big Island Southeast Waters-

322 AM HST Sat Sep 12 2026



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

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

Wave Detail: East northeast 3 feet at 4 seconds.

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

Detail: Northeast 4 feet at 5 seconds.

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

Wave Detail: Northeast 4 feet at 5 seconds. Isolated light

showers after midnight.

.MONDAY...Northeast winds to 15 knots. Seas 3 to 4 feet. Wave

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

.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet.

Wave Detail: Northeast 4 feet at 5 seconds. Isolated light

showers after midnight.

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

Wave Detail: Northeast 4 feet at 5 seconds. Isolated light

showers through the night, then scattered showers through the

day.

.WEDNESDAY...East northeast winds to 20 knots. Seas 4 to 5 feet.

Wave Detail: Northeast 5 feet at 5 seconds. Showers likely.



$$