National Weather Service United States Department of Commerce

Coastal Waters Forecast   Issued: 08/03/2026 11:14:00 PM UTC

                        
683
FZHW50 PHFO 031314
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
314 AM HST Mon Aug 3 2026

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

PHZ100-040130-
314 AM HST Mon Aug 3 2026

.Synopsis for Hawaiian coastal waters...
A ridge of high pressure system north of the state will weaken
over the next few days due to a front passing far north of the
area.

$$

PHZ110-040130-
Kauai Northwest Waters-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 3 feet at
12 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 3 feet at
12 seconds. Scattered showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 3 feet at
11 seconds. Scattered showers.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 7 seconds and east 3 feet at
11 seconds. Scattered showers.
.WEDNESDAY...East winds to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 7 seconds. Scattered showers.
.WEDNESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers.
.THURSDAY...East winds to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Scattered showers.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers in the
morning, then isolated showers in the afternoon. Scattered
showers through the day.

$$

PHZ111-040130-
Kauai Windward Waters-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 10 to 15 knots. Seas to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 3 feet at
12 seconds. Scattered showers.
.TONIGHT...East northeast winds 10 to 15 knots. Seas to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 4 feet at
12 seconds. Scattered showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 3 feet at
11 seconds. Scattered showers.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 7 seconds and east 3 feet at
10 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 7 seconds. Scattered showers.
.WEDNESDAY NIGHT...East winds to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds. Scattered showers.
.THURSDAY...East winds to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 6 seconds. Scattered showers.
.FRIDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:
East southeast 5 feet at 7 seconds. Scattered showers.

$$

PHZ112-040130-
Kauai Leeward Waters-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 7 seconds. Isolated showers.
.TUESDAY 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.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Scattered showers, mainly in
the morning.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Scattered showers in the
morning, then isolated showers through the night. Scattered
showers after midnight.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers through
the night, then scattered showers through the day.

$$

PHZ113-040130-
Kauai Channel-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East 5 feet at 6 seconds and east 3 feet at
12 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 5 feet at 7 seconds and east 3 feet
at 12 seconds. Isolated showers in the evening, then scattered
showers after midnight.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 5 feet at 7 seconds and east 3 feet
at 11 seconds. Isolated showers.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East northeast 4 feet at 7 seconds. Isolated
showers in the evening, then scattered showers after midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 4 feet.
Wave Detail: East northeast 4 feet at 5 seconds. Scattered
showers, mainly in the morning.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated
showers in the evening, then scattered showers after midnight.
.THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers,
then scattered showers after midnight.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers through
the night, then scattered showers through the day.

$$

PHZ114-040130-
Oahu Windward Waters-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 10 to 15 knots. Seas to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 3 feet at
12 seconds. Scattered showers.
.TONIGHT...East northeast winds 10 to 15 knots. Seas to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 4 feet at
12 seconds. Scattered showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 4 feet at
11 seconds. Scattered showers.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East 4 feet at 7 seconds and east 3 feet at
10 seconds. Scattered showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.
Wave Detail: East 3 feet at 5 seconds. Scattered showers.
.WEDNESDAY NIGHT...East winds to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Scattered showers.
.THURSDAY...East winds to 15 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Scattered showers.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Scattered showers.

$$

PHZ115-040130-
Oahu Leeward Waters-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 5 feet at 5 seconds. Isolated showers this morning.
.TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East northeast 3 feet at 5 seconds. Isolated showers
in the morning.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated
showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers.
.THURSDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at
5 seconds. Isolated showers.
.FRIDAY...East northeast winds to 15 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.

$$

PHZ116-040130-
Kaiwi Channel-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds to 15 knots. Seas 4 to 6 feet. Wave
Detail: East northeast 5 feet at 5 seconds and east 3 feet at
12 seconds. Scattered showers.
.TONIGHT...East northeast winds to 15 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 5 feet at 7 seconds and east 4 feet
at 12 seconds. Scattered showers, mainly in the evening.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 5 feet at 7 seconds and east 3 feet
at 11 seconds. Isolated showers in the morning, then scattered
showers in the afternoon.
.TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: East northeast 4 feet at 7 seconds. Isolated
showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated
showers in the morning. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
4 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated
showers.
.THURSDAY...East northeast winds to 15 knots. Seas 3 to 4 feet.
Wave Detail: East northeast 4 feet at 5 seconds. Isolated
showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Scattered
showers.

$$

PHZ117-040130-
Maui County Windward Waters-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 3 feet at
12 seconds. Scattered showers.
.TONIGHT...East northeast winds to 15 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 4 feet at
12 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave
Detail: East 5 feet at 7 seconds and east 4 feet at 11 seconds.
Scattered showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 7 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas to 3 feet. Wave
Detail: East 3 feet at 5 seconds. Scattered showers.
.WEDNESDAY NIGHT...East winds to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Scattered showers.
.THURSDAY...East winds to 15 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 5 seconds. Scattered showers in the morning, then
isolated showers in the afternoon. Scattered showers through the
day.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Scattered showers.

$$

PHZ118-040130-
Maui County Leeward Waters-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 5 seconds.
.TONIGHT...Northeast winds 15 to 20 knots, becoming east
northeast 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers after
midnight.
.TUESDAY...East northeast winds 7 to 10 knots, becoming 10 to
15 knots in the afternoon. Seas 3 to 4 feet. Isolated showers in
the morning.
.TUESDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to
4 feet. Isolated showers.
.WEDNESDAY...East northeast winds 7 to 10 knots. Seas 3 to
4 feet.
.WEDNESDAY NIGHT...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 5 seconds. Isolated showers after
midnight.
.THURSDAY...Northeast winds 7 to 10 knots, veering to east
northeast 10 to 15 knots. Seas to 3 feet. Wave Detail: East
southeast 3 feet at 5 seconds. Isolated showers in the morning.
Isolated showers through the day.
.FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers
after midnight.

$$

PHZ119-040130-
Maalaea Bay-
314 AM HST Mon Aug 3 2026

.TODAY...North winds to 20 knots. Seas to 2 feet or less.
.TONIGHT...North winds to 20 knots, easing to 15 knots after
midnight. Seas to 2 feet or less.
.TUESDAY...North winds to 15 knots. Seas to 2 feet or less.
.TUESDAY NIGHT...North winds to 20 knots, easing to 15 knots
after midnight. Seas to 2 feet or less.
.WEDNESDAY...North winds to 15 knots, rising to 20 knots in the
afternoon. Seas to 2 feet or less.
.WEDNESDAY NIGHT...North winds to 20 knots. Seas to 2 feet or
less.
.THURSDAY...North winds to 20 knots. Seas to 2 feet or less.
.FRIDAY...North winds to 20 knots, rising to 25 knots in the
evening, easing to 20 knots after midnight. Seas to 2 feet or
less. Wave Detail: North northeast 2 feet at 3 seconds.

$$

PHZ120-040130-
Pailolo Channel-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 3 feet at 4 seconds. Scattered showers this
morning. Isolated showers this afternoon.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 3 feet at 7 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 3 feet at 7 seconds. Scattered showers in the
morning. Isolated showers in the afternoon.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas 3 to 4 feet. Scattered
showers.
.WEDNESDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. Seas to 3 feet. Scattered showers in
the morning. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to
3 feet. Scattered showers.
.THURSDAY...East northeast winds 15 to 20 knots. Seas to 3 feet.
Wave Detail: East 3 feet at 5 seconds. Scattered showers in the
morning. Isolated showers in the afternoon, then scattered
showers through the day.
.FRIDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots in the evening, easing to 15 to 20 knots after midnight.
Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds.
Scattered showers.

$$

PHZ121-040130-
Alenuihaha Channel-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 3 feet at
12 seconds. Scattered showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 5 feet at 7 seconds and east 3 feet
at 12 seconds. Scattered showers in the evening. Isolated showers
after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East northeast 4 feet at 7 seconds and east 3 feet at
11 seconds. Isolated showers in the morning. Scattered showers in
the afternoon.
.TUESDAY NIGHT...East northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail:
East northeast 3 feet at 7 seconds. Isolated showers.
.WEDNESDAY...East northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East
northeast 3 feet at 4 seconds. Scattered showers in the morning.
Isolated showers in the afternoon.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East northeast 4 feet at 5 seconds.
Scattered showers in the evening. Isolated showers after
midnight.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated
showers in the morning. Scattered showers in the afternoon, then
isolated showers through the day.
.FRIDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at
6 seconds. Scattered showers. Isolated showers after midnight.

$$

PHZ122-040130-
Big Island Windward Waters-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 10 to 15 knots. Seas to 5 feet.
Wave Detail: East 4 feet at 7 seconds and east 3 feet at
12 seconds. Scattered showers.
.TONIGHT...East northeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 7 seconds and east 3 feet at
12 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 7 seconds and east 3 feet at 11 seconds.
Scattered showers.
.TUESDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 7 seconds. Scattered showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.
Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 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.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 7 seconds. Isolated showers.
Scattered showers after midnight.

$$

PHZ123-040130-
Big Island Leeward Waters-
314 AM HST Mon Aug 3 2026

.TODAY...West of the Big Island, winds variable less than
10 knots, becoming west 7 to 10 knots this afternoon. Near South
Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail:
Northeast 4 feet at 5 seconds. Isolated showers this afternoon.
.TONIGHT...West of the Big Island, west northwest winds 7 to
10 knots in the evening, becoming variable less than 10 knots.
Near South Point, east winds to 15 knots. Seas 3 to 5 feet. Wave
Detail: Northeast 4 feet at 5 seconds. Isolated showers.
.TUESDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east northeast winds 10 to 15 knots,
becoming east 15 to 20 knots in the afternoon. Seas 3 to 4 feet.
Isolated showers in the morning.
.TUESDAY NIGHT...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. Isolated showers.
.WEDNESDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east northeast winds 10 to 15 knots,
veering to east in the afternoon. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...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 3 to
4 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated
showers.
.THURSDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east northeast winds 10 to 15 knots,
becoming east 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East
northeast 3 feet at 5 seconds. Isolated showers in the morning.
Isolated showers through the day.
.FRIDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds 10 to 15 knots, becoming
east northeast 15 to 20 knots. Seas 3 to 5 feet. Wave Detail:
East northeast 4 feet at 5 seconds. Isolated showers after
midnight.

$$

PHZ124-040130-
Big Island Southeast Waters-
314 AM HST Mon Aug 3 2026

.TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.
Wave Detail: East 5 feet at 7 seconds and east 3 feet at
12 seconds. Isolated showers.
.TONIGHT...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 7 seconds and east 3 feet at
11 seconds. Isolated showers in the evening, then scattered
showers after midnight.
.TUESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 7 seconds and east 3 feet at
11 seconds. Isolated showers.
.TUESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 7 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.WEDNESDAY...East northeast winds to 15 knots. Seas to 4 feet.
Wave Detail: East 3 feet at 5 seconds. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers
in the evening, then scattered showers after midnight.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers
through the night, then scattered showers through the day.
.FRIDAY...East northeast winds to 20 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 6 seconds. Isolated showers in the
morning. Isolated showers in the evening, then scattered showers
after midnight.

$$