FZHW50 PHFO 020134 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 334 PM HST Tue Sep 1 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 334 PM HST Tue Sep 1 2026 .Synopsis for Hawaiian coastal waters... High pressure will maintain fresh to locally strong trades through the week. Trade winds will begin to strengthen statewide by Wednesday afternoon becoming strong to near gale force by Thursday before gradually easing Friday into the weekend. Still some uncertainty in the forecast early next week depending on the track of Lowell and Karina approaching the state from the east.
Maui County Windward Waters- 334 PM HST Tue Sep 1 2026
TONIGHT East winds 20 to 25 knots. Seas 6 to 7 feet. Wave Detail: East 7 feet at 7 seconds and southeast 3 feet at 11 seconds. Scattered showers this evening, then numerous showers after midnight.
WEDNESDAY East winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 7 seconds and southeast 4 feet at 11 seconds. Scattered showers.
WEDNESDAY NIGHT East winds 20 to 25 knots. Seas 7 to 8 feet. Wave Detail: East 7 feet at 7 seconds and southeast 3 feet at 9 seconds. Isolated showers in the evening, then scattered showers after midnight.
THURSDAY East winds 25 to 30 knots. Seas 7 to 9 feet. Wave Detail: East 9 feet at 7 seconds. Scattered showers, mainly in the morning.
THURSDAY NIGHT East winds 25 to 30 knots. Seas 8 to 10 feet. Wave Detail: East 9 feet at 7 seconds and east 3 feet at 14 seconds. Isolated showers in the evening, then scattered showers after midnight.
FRIDAY East winds 25 to 30 knots. Seas 9 to 10 feet, subsiding to 7 to 10 feet in the afternoon. Wave Detail: East 9 feet at 7 seconds and east 3 feet at 13 seconds. Scattered showers.
FRIDAY NIGHT East winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 13 seconds. Scattered showers.
SATURDAY East winds 20 to 25 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 13 seconds. Scattered showers.
SUNDAY East winds to 20 knots, easing to 10 to 15 knots after midnight. Seas 6 to 8 feet. Wave Detail: East 6 feet at 12 seconds. Scattered showers.
Maui County Leeward Waters- 334 PM HST Tue Sep 1 2026
TONIGHT East northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 3 feet at 17 seconds. Isolated showers.
WEDNESDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds, south 4 feet at 16 seconds and south southeast 3 feet at 11 seconds. Isolated showers.
WEDNESDAY NIGHT East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 6 feet at 7 seconds, south southeast 4 feet at 12 seconds and south 4 feet at 15 seconds.
THURSDAY East northeast winds 20 to 25 knots. Seas 7 to 10 feet. Wave Detail: East 8 feet at 7 seconds, south southeast 5 feet at 12 seconds and south southwest 4 feet at 14 seconds.
THURSDAY NIGHT Northeast winds 25 to 30 knots, veering to east northeast 20 to 25 knots after midnight. Seas 8 to 11 feet. Wave Detail: East 8 feet at 7 seconds and south 5 feet at 12 seconds.
FRIDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 7 to 10 feet. Wave Detail: East 8 feet at 7 seconds and south 5 feet at 11 seconds. Isolated showers in the afternoon.
FRIDAY NIGHT East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: South southwest 5 feet at 10 seconds.
SATURDAY East winds 15 to 20 knots, becoming east northeast 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: Southwest 5 feet at 9 seconds. Isolated showers through the day.
SUNDAY East northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas 5 to 7 feet. Wave Detail: South southwest 4 feet at 18 seconds. Isolated showers. Scattered showers after midnight.
Maalaea Bay- 334 PM HST Tue Sep 1 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...
TONIGHT North northeast winds 20 to 25 knots. Seas to 2 feet or less. Wave Detail: North 2 feet at 3 seconds.
WEDNESDAY North northeast winds 20 to 25 knots. Seas to 2 feet or less, then to 3 feet in the afternoon. Wave Detail: North northeast 3 feet at 3 seconds.
WEDNESDAY NIGHT North northeast winds to 25 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 4 seconds.
THURSDAY North northeast winds 35 to 30 knots. Seas 3 to 5 feet. Wave Detail: North northeast 5 feet at 4 seconds, south 4 feet at 14 seconds and south 3 feet at 11 seconds.
THURSDAY NIGHT North northeast winds to 30 knots. Seas 3 to 5 feet. Wave Detail: North northeast 5 feet at 4 seconds and south 5 feet at 11 seconds.
FRIDAY North northeast winds to 30 knots. Seas 3 to 4 feet. Wave Detail: North northeast 4 feet at 4 seconds and south southwest 4 feet at 10 seconds.
FRIDAY NIGHT North northeast winds to 30 knots. Seas to 3 feet. Wave Detail: South southwest 3 feet at 10 seconds.
SATURDAY North northeast winds 20 to 25 knots. Seas to 2 feet or less. Wave Detail: South southwest 2 feet at 9 seconds.
SUNDAY North northeast winds to 20 knots, becoming north after midnight. Seas 3 to 4 feet.
Pailolo Channel- 334 PM HST Tue Sep 1 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...
TONIGHT East northeast winds 25 to 30 knots, easing to 20 to 25 knots after midnight. Seas 4 to 6 feet. Wave Detail: East 6 feet at 5 seconds. Scattered showers.
WEDNESDAY East northeast winds 20 to 25 knots, rising to 25 to 30 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers.
WEDNESDAY NIGHT East northeast winds 25 to 30 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 5 seconds. Isolated showers.
THURSDAY East northeast winds 25 to 30 knots, rising to 30 to 35 knots in the afternoon. Seas 6 to 9 feet. Wave Detail: East 8 feet at 6 seconds and south 4 feet at 14 seconds. Isolated showers in the morning.
THURSDAY NIGHT East northeast winds 30 to 35 knots. Seas 7 to 10 feet. Wave Detail: East 9 feet at 6 seconds and south 4 feet at 13 seconds.
FRIDAY East northeast winds 20 to 25 knots, rising to 30 to 35 knots in the afternoon. Seas 7 to 10 feet, subsiding to 5 to 7 feet in the afternoon. Wave Detail: East 8 feet at 6 seconds and south 4 feet at 11 seconds. Isolated showers.
FRIDAY NIGHT East northeast winds 20 to 25 knots, rising to 25 to 30 knots after midnight. Seas 3 to 5 feet. Wave Detail: South southwest 4 feet at 10 seconds. Isolated showers.
SATURDAY East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: South southwest 3 feet at 9 seconds and east 3 feet at 13 seconds. Isolated showers.
SUNDAY East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 3 feet at 12 seconds. Isolated showers.
Alenuihaha Channel- 334 PM HST Tue Sep 1 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...
TONIGHT East northeast winds 25 to 30 knots, easing to 20 to 25 knots after midnight. Seas 7 to 10 feet. Wave Detail: East northeast 8 feet at 7 seconds and south southwest 3 feet at 17 seconds. Isolated showers this evening. Scattered showers after midnight.
WEDNESDAY East northeast winds 20 to 25 knots, rising to 25 to 30 knots in the afternoon. Seas 6 to 7 feet, building to 6 to 9 feet in the afternoon. Wave Detail: East 7 feet at 7 seconds and south southwest 4 feet at 16 seconds. Isolated showers in the morning. Scattered showers in the afternoon.
WEDNESDAY NIGHT East northeast winds 25 to 30 knots. Seas 8 to 11 feet. Wave Detail: East 9 feet at 7 seconds, south southeast 4 feet at 12 seconds and south southwest 4 feet at 15 seconds. Isolated showers.
THURSDAY East northeast winds to 30 knots. Seas 8 to 11 feet, building to 9 to 13 feet in the afternoon. Wave Detail: East northeast 11 feet at 7 seconds, south 5 feet at 14 seconds and south southeast 4 feet at 11 seconds. Isolated showers in the morning.
THURSDAY NIGHT East northeast winds to 30 knots. Seas 9 to 13 feet. Wave Detail: East northeast 11 feet at 7 seconds, south 5 feet at 11 seconds and east 3 feet at 14 seconds. Isolated showers.
FRIDAY East northeast winds 25 to 30 knots. Seas 10 to 13 feet, subsiding to 8 to 11 feet in the afternoon. Wave Detail: East northeast 11 feet at 7 seconds, south southwest 5 feet at 11 seconds and east 3 feet at 13 seconds. Isolated showers.
FRIDAY NIGHT East northeast winds 25 to 30 knots. Seas 5 to 8 feet. Wave Detail: South southwest 5 feet at 10 seconds and east 5 feet at 13 seconds. Scattered showers.
SATURDAY East northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 5 to 8 feet. Wave Detail: East 6 feet at 13 seconds and southwest 4 feet at 9 seconds. Scattered showers through the night. Isolated showers through the day.
SUNDAY East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 5 to 8 feet. Wave Detail: East 6 feet at 12 seconds and south southwest 4 feet at 18 seconds. Isolated showers through the night. Scattered showers through the day.
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