FZHW50 PHFO 160108 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 308 PM HST Wed Apr 15 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 308 PM HST Wed Apr 15 2026 .Synopsis for Hawaiian coastal waters... Trough remains over the NW waters through Thursday in maintenance of isolated thunderstorms. High pressure then builds N of the area into the weekend as another trough develops near or just W of the NW waters.
Maui County Windward Waters- 308 PM HST Wed Apr 15 2026
TONIGHT East southeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 7 seconds. A slight chance of showers this evening, then a chance of showers after midnight.
THURSDAY East southeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A chance of showers, mainly in the morning.
THURSDAY NIGHT East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers after midnight.
FRIDAY East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 7 seconds. A chance of showers, mainly in the morning.
FRIDAY NIGHT East winds to 15 knots. Seas to 4 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of showers.
SATURDAY East winds 15 to 20 knots. Seas to 4 feet. Wave Detail: East southeast 4 feet at 7 seconds. A chance of showers, mainly in the morning.
SATURDAY NIGHT East southeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of showers in the evening, then a chance of showers after midnight.
SUNDAY East southeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight.
MONDAY East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight.
Maui County Leeward Waters- 308 PM HST Wed Apr 15 2026
TONIGHT East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 12 seconds. A slight chance of showers.
THURSDAY East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 13 seconds. A slight chance of showers.
THURSDAY NIGHT Northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. A slight chance of showers.
FRIDAY East winds 10 to 15 knots, becoming 7 to 10 knots in the afternoon. Seas 3 to 4 feet. A slight chance of showers.
FRIDAY NIGHT East northeast winds 7 to 10 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. A slight chance of showers.
SATURDAY East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. A slight chance of showers.
SATURDAY NIGHT East winds 10 to 15 knots, backing to north northeast after midnight. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. A slight chance of showers.
SUNDAY East winds 7 to 10 knots, backing to east northeast 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. A slight chance of showers.
MONDAY East northeast winds 7 to 10 knots, backing to north in the afternoon, veering to east 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. A slight chance of showers.
Maalaea Bay- 308 PM HST Wed Apr 15 2026
TONIGHT North winds to 20 knots. Seas to 2 feet or less. A slight chance of showers this evening.
THURSDAY North winds to 20 knots. Seas to 2 feet or less. A slight chance of showers in the afternoon.
THURSDAY NIGHT North winds to 20 knots, becoming north northeast after midnight. Seas to 2 feet or less. A slight chance of showers in the evening.
FRIDAY North northeast winds to 15 knots, rising to 20 knots in the afternoon. Seas to 2 feet or less. A slight chance of showers in the afternoon.
FRIDAY NIGHT North northeast winds to 20 knots. Seas to 2 feet or less.
SATURDAY North northeast winds to 20 knots, rising to 25 knots in the afternoon. Seas to 2 feet or less.
SATURDAY NIGHT North northeast winds to 25 knots, easing to 20 knots after midnight. Seas to 2 feet or less. A slight chance of showers in the evening.
SUNDAY North northeast winds to 20 knots. Seas to 2 feet or less. A slight chance of showers through the night.
MONDAY North northeast winds to 20 knots. Seas to 2 feet or less. A slight chance of showers through the night.
Pailolo Channel- 308 PM HST Wed Apr 15 2026
TONIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. A slight chance of showers.
THURSDAY East northeast winds 15 to 20 knots. Seas to 3 feet. A slight chance of showers.
THURSDAY NIGHT East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas to 3 feet. A slight chance of showers.
FRIDAY East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas to 3 feet. A slight chance of showers.
FRIDAY NIGHT East northeast winds 15 to 20 knots. Seas to 3 feet. A slight chance of showers.
SATURDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. A slight chance of showers in the morning. A chance of showers in the afternoon.
SATURDAY NIGHT East winds 20 to 25 knots, becoming north northeast 15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. A slight chance of showers.
SUNDAY East southeast winds 15 to 20 knots, backing to east northeast. Seas 3 to 4 feet. A slight chance of showers.
MONDAY East northeast winds 15 to 20 knots. Seas to 3 feet. A slight chance of showers.
Alenuihaha Channel- 308 PM HST Wed Apr 15 2026
TONIGHT East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and south 3 feet at 12 seconds. A slight chance of showers.
THURSDAY East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers.
THURSDAY NIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers.
FRIDAY East winds 10 to 15 knots, becoming east northeast 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers.
FRIDAY NIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers.
SATURDAY East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of showers.
SATURDAY NIGHT East northeast winds 20 to 25 knots, becoming east 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of showers.
SUNDAY East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers.
MONDAY East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East northeast 4 feet at 5 seconds. A slight chance of showers.
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