FZHW50 PHFO 161314 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 314 AM HST Thu Apr 16 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 314 AM HST Thu Apr 16 2026 .Synopsis for Hawaiian coastal waters... A trough to our northwest will maintain gentle to moderate trade winds through today. High pressure then builds N of the area into the weekend as another trough develops near or just NW of the area on Sunday.
Maui County Windward Waters- 314 AM HST Thu Apr 16 2026
TODAY 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 afternoon.
TONIGHT East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds.
FRIDAY East winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas to 4 feet. Wave Detail: East 3 feet at 7 seconds. A slight chance of showers in the afternoon.
FRIDAY NIGHT East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds.
SATURDAY East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. A chance of showers, mainly in the morning.
SATURDAY NIGHT East winds 15 to 20 knots. Seas to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds.
SUNDAY East southeast winds 15 to 20 knots, becoming east 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. A slight chance of showers in the evening. A chance of showers after midnight.
MONDAY East southeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. A chance of showers, mainly in the morning.
Maui County Leeward Waters- 314 AM HST Thu Apr 16 2026
TODAY East southeast winds 15 to 20 knots, becoming east 10 to 15 knots this afternoon. Seas 3 to 5 feet. Wave Detail: South 4 feet at 13 seconds and east southeast 3 feet at 5 seconds. A slight chance of showers this afternoon.
TONIGHT East winds 10 to 15 knots, becoming east northeast 15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds.
FRIDAY East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. A slight chance of showers in the afternoon.
FRIDAY 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.
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 northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds.
SUNDAY East winds 7 to 10 knots, backing to east northeast 10 to 15 knots after midnight. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. A chance of showers after midnight.
MONDAY East southeast winds 10 to 15 knots, backing to east 7 to 10 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. A chance of showers in the morning.
Maalaea Bay- 314 AM HST Thu Apr 16 2026
TODAY North winds to 20 knots. Seas to 2 feet or less. A slight chance of showers this afternoon.
TONIGHT North winds to 20 knots. Seas to 2 feet or less.
FRIDAY North winds to 20 knots. 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 25 knots. Seas to 2 feet or less.
SATURDAY NIGHT North northeast winds to 25 knots. Seas to 2 feet or less.
SUNDAY North northeast winds to 20 knots, rising to 25 knots in the afternoon, easing to 20 knots in the evening, easing to 15 knots after midnight. Seas to 2 feet or less. A chance of showers after midnight.
MONDAY North northeast winds to 20 knots, easing to 15 knots after midnight. Seas to 2 feet or less. A chance of showers in the morning.
Pailolo Channel- 314 AM HST Thu Apr 16 2026
TODAY East winds 15 to 20 knots. Seas to 3 feet. A slight chance of showers this afternoon.
TONIGHT East northeast winds 15 to 20 knots. Seas to 3 feet.
FRIDAY East northeast winds to 20 knots. Seas to 3 feet. A slight chance of showers in the afternoon.
FRIDAY NIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
SATURDAY East northeast winds 20 to 25 knots. Seas 3 to 4 feet. A slight chance of showers in the morning. A chance of showers in the afternoon.
SATURDAY NIGHT East northeast winds 20 to 25 knots. Seas 3 to 4 feet.
SUNDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon, easing to 15 to 20 knots in the evening, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. A chance of showers after midnight.
MONDAY East northeast winds 15 to 20 knots, becoming south southwest 10 to 15 knots after midnight. Seas to 3 feet. A chance of showers in the morning, then a slight chance of showers through the night.
Alenuihaha Channel- 314 AM HST Thu Apr 16 2026
TODAY East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and south 4 feet at 13 seconds. A slight chance of showers.
TONIGHT East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and south 3 feet at 13 seconds.
FRIDAY East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and south 3 feet at 13 seconds. A slight chance of showers in the afternoon.
FRIDAY NIGHT East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds.
SATURDAY East northeast winds 20 to 25 knots, easing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers.
SATURDAY NIGHT East northeast winds 20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds.
SUNDAY East winds 15 to 20 knots, becoming east northeast 20 to 25 knots in the afternoon, then becoming east 15 to 20 knots in the evening, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers after midnight.
MONDAY East winds 15 to 20 knots, becoming east southeast 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers in the morning. A slight chance of showers in the afternoon.
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