Coastal Waters Forecast
Issued by NWS Honolulu, HI

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431
FZHW50 PHFO 021318
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
317 AM HST Wed Jul 2 2025

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

PHZ100-030200-
317 AM HST Wed Jul 2 2025

.Synopsis for Hawaiian coastal waters...
 A weak trough to the north of the state continues to drift west
through Thursday. High pressure far north of the state will
strengthen Friday into the weekend.

$$

PHZ110-030200-
Kauai Northwest Waters-
317 AM HST Wed Jul 2 2025

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

$$

PHZ111-030200-
Kauai Windward Waters-
317 AM HST Wed Jul 2 2025

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

$$

PHZ112-030200-
Kauai Leeward Waters-
317 AM HST Wed Jul 2 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers.
.THURSDAY NIGHT...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. Isolated showers.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers.
.SUNDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave
Detail: East 6 feet at 7 seconds. Isolated showers.

$$

PHZ113-030200-
Kauai Channel-
317 AM HST Wed Jul 2 2025

.TODAY...East winds 10 to 15 knots, becoming east northeast 15 to
20 knots this afternoon. Seas to 4 feet. Wave Detail: East 4 feet
at 5 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas to 4 feet.
Wave Detail: East 4 feet at 6 seconds. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.SATURDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.SUNDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet.
Wave Detail: East 6 feet at 7 seconds. Isolated showers.

$$

PHZ114-030200-
Oahu Windward Waters-
317 AM HST Wed Jul 2 2025

.TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Scattered showers, mainly this morning.
.TONIGHT...East winds to 15 knots. Seas to 4 feet. Wave Detail:
East 4 feet at 6 seconds. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...East winds 15 to 20 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Scattered showers, mainly in
the morning.
.THURSDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers in the
evening, then scattered showers after midnight.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers, mainly in
the morning.
.FRIDAY NIGHT...East winds to 20 knots. Seas to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers in the
evening, then scattered showers after midnight.
.SATURDAY...East winds 15 to 20 knots. Seas 5 to 7 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.
.SUNDAY...East winds to 20 knots. Seas 6 to 7 feet. Wave Detail:
East 6 feet at 7 seconds. Scattered showers in the morning, then
isolated showers in the afternoon. Scattered showers through the
day.

$$

PHZ115-030200-
Oahu Leeward Waters-
317 AM HST Wed Jul 2 2025

.TODAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 5 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 6 seconds. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas to 3 feet. Wave
Detail: East 3 feet at 6 seconds. Isolated showers.
.THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers in the
morning.
.FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers
after midnight.
.SATURDAY...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers.
.SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers in the
morning. Isolated showers after midnight.

$$

PHZ116-030200-
Kaiwi Channel-
317 AM HST Wed Jul 2 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers.
.TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East northeast 4 feet at 6 seconds. Isolated
showers.
.THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East northeast 4 feet at 6 seconds. Isolated
showers.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers.
.FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers.
.FRIDAY NIGHT...East northeast winds to 20 knots. Seas 4 to
6 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers.
.SATURDAY...East northeast winds to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 5 feet at 6 seconds. Isolated
showers.
.SUNDAY...East northeast winds to 20 knots. Seas 5 to 7 feet.
Wave Detail: East northeast 6 feet at 6 seconds. Isolated showers
in the morning. Isolated showers through the day.

$$

PHZ117-030200-
Maui County Windward Waters-
317 AM HST Wed Jul 2 2025

.TODAY...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail:
East 4 feet at 5 seconds. Scattered showers, mainly this morning.
.TONIGHT...East winds 15 to 20 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: East 5 feet at 6 seconds. Isolated showers in the
evening, then scattered showers after midnight.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers, mainly in
the morning.
.FRIDAY NIGHT...East winds to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. Scattered showers.
.SATURDAY...East winds to 20 knots. Seas 4 to 6 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.
.SUNDAY...East winds to 20 knots. Seas 6 to 7 feet. Wave Detail:
East 6 feet at 6 seconds. Scattered showers in the morning, then
isolated showers in the afternoon. Scattered showers through the
day.

$$

PHZ118-030200-
Maui County Leeward Waters-
317 AM HST Wed Jul 2 2025

.TODAY...East northeast winds 10 to 15 knots, becoming east 15 to
20 knots this afternoon. Seas 3 to 4 feet. Isolated showers.
.TONIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas to 3 feet. Wave
Detail: East southeast 3 feet at 5 seconds. Isolated showers in
the morning.
.THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas to
3 feet. Wave Detail: East southeast 3 feet at 5 seconds.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East southeast 4 feet at 6 seconds.
.FRIDAY NIGHT...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.
.SATURDAY...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated
showers in the morning.
.SUNDAY...East winds 15 to 20 knots, becoming east northeast
10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail:
East southeast 4 feet at 6 seconds.

$$

PHZ119-030200-
Maalaea Bay-
317 AM HST Wed Jul 2 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 25 knots. Seas to 2 feet or less.
.FRIDAY NIGHT...North winds to 25 knots. Seas to 2 feet or less.
.SATURDAY...North winds to 25 knots. Seas to 2 feet or less.
.SUNDAY...North winds to 25 knots. Seas 3 to 4 feet.

$$

PHZ120-030200-
Pailolo Channel-
317 AM HST Wed Jul 2 2025

.TODAY...East northeast winds 15 to 20 knots. Seas to 3 feet.
Scattered showers.
.TONIGHT...East northeast winds to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 4 seconds. Scattered showers.
.THURSDAY...East northeast winds to 20 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 6 seconds. Isolated showers.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers
in the evening. Scattered showers after midnight.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 5 seconds. Scattered showers in the
morning. Isolated showers in the afternoon.
.FRIDAY NIGHT...East northeast winds 20 to 25 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers
in the evening. Scattered showers after midnight.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 3 to
4 feet. Wave Detail: East 4 feet at 4 seconds. Scattered showers
in the morning. Isolated showers.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 4 seconds. Isolated showers.

$$

PHZ121-030200-
Alenuihaha Channel-
317 AM HST Wed Jul 2 2025

.TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East northeast 3 feet at 5 seconds. Hazy. Scattered
showers this morning. Isolated showers this afternoon.
.TONIGHT...East northeast winds to 20 knots. Seas to 4 feet. Wave
Detail: East northeast 4 feet at 5 seconds. Hazy. Isolated
showers in the evening. Scattered showers after midnight.
.THURSDAY...East northeast winds to 20 knots. Seas 3 to 4 feet.
Wave Detail: East northeast 4 feet at 5 seconds. Hazy in the
morning. Isolated showers in the morning.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: East northeast 5 feet at 5 seconds. Isolated
showers after midnight.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet.
Wave Detail: East 6 feet at 6 seconds. Isolated showers.
.FRIDAY NIGHT...East northeast winds 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 4 to
6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers
through the night. Scattered showers in the evening, then
isolated showers after midnight.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet.
Wave Detail: East 6 feet at 6 seconds. Isolated showers through
the night. Scattered showers through the day.

$$

PHZ122-030200-
Big Island Windward Waters-
317 AM HST Wed Jul 2 2025

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

$$

PHZ123-030200-
Big Island Leeward Waters-
317 AM HST Wed Jul 2 2025

.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 4 feet.
Hazy. Isolated showers.
.TONIGHT...West of the Big Island, north winds 10 to 15 knots,
becoming 7 to 10 knots after midnight. Near South Point, east
winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet
at 6 seconds. Hazy. Isolated showers.
.THURSDAY...West of the Big Island, winds variable less than
10 knots, becoming west northwest 10 to 15 knots in the
afternoon. Near South Point, east winds to 20 knots. Seas 3 to
5 feet. Wave Detail: East 3 feet at 5 seconds. Hazy in the
morning. Isolated showers.
.THURSDAY NIGHT...West of the Big Island, north northwest winds
7 to 10 knots in the evening, becoming variable less than
10 knots. Near South Point, east winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...East to 20 knots near South Point. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 6 seconds. Isolated showers.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...East to 20 knots near South Point. Seas 3 to 5 feet.
Wave Detail: East northeast 4 feet at 6 seconds. Isolated
showers.
.SATURDAY...West of the Big Island, winds variable less than
10 knots, becoming north 7 to 10 knots in the evening, then
becoming variable less than 10 knots after midnight. Near South
Point, east winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail:
East 4 feet at 5 seconds. Isolated showers.
.SUNDAY...West of the Big Island, winds variable less than
10 knots, becoming north northwest 7 to 10 knots in the evening,
then becoming variable less than 10 knots after midnight. Near
South Point, east winds 20 to 25 knots. Seas 4 to 6 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers in the
morning. Isolated showers after midnight.

$$

PHZ124-030200-
Big Island Southeast Waters-
317 AM HST Wed Jul 2 2025

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

$$