FZHW50 PHFO 151344 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 343 AM HST Thu Jan 15 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 343 AM HST Thu Jan 15 2026 .Synopsis for Hawaiian coastal waters... A cold front over the central waters early this morning will continue to move from west to east across the coastal waters today. Southerly winds ahead of the front will become northerly after its passage. An extra large northwest swell will generate large seas through Friday for exposed waters. A high pressure system moving far north of the islands will bring back easterly trade winds across Hawaiian waters from Friday through Sunday.
Maui County Windward Waters- 344 AM HST Thu Jan 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
TODAY North northwest winds 15 to 20 knots. Seas 6 to 8 feet, building to 8 to 11 feet this afternoon. Wave Detail: Northwest 11 feet at 15 seconds and west northwest 5 feet at 6 seconds. Occasional showers, mainly this morning.
TONIGHT North northeast winds to 15 knots. Seas 11 to 15 feet, building to 14 to 15 feet after midnight. Wave Detail: Northwest 15 feet at 15 seconds and north northeast 4 feet at 5 seconds.
FRIDAY Northeast winds to 15 knots. Seas 12 to 14 feet. Wave Detail: North northwest 14 feet at 14 seconds and east northeast 4 feet at 5 seconds.
FRIDAY NIGHT East northeast winds to 15 knots. Seas 10 to 12 feet, subsiding to 9 to 10 feet after midnight. Wave Detail: North northwest 11 feet at 13 seconds and east 4 feet at 5 seconds.
SATURDAY East northeast winds 15 to 20 knots. Seas 8 to 9 feet. Wave Detail: North 8 feet at 12 seconds, east 5 feet at 6 seconds and northwest 5 feet at 12 seconds.
SATURDAY NIGHT East winds 20 to 25 knots. Seas to 8 feet. Wave Detail: East 7 feet at 7 seconds, north 6 feet at 12 seconds and northwest 4 feet at 12 seconds.
SUNDAY East southeast winds to 20 knots. Seas 8 to 11 feet. Wave Detail: Northwest 8 feet at 17 seconds, east 7 feet at 7 seconds and north northwest 7 feet at 14 seconds.
MONDAY East southeast winds 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East southeast 7 feet at 7 seconds and northwest 5 feet at 14 seconds. Isolated showers.
Maui County Leeward Waters- 344 AM HST Thu Jan 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
TODAY North winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Northwest 6 feet at 15 seconds and west northwest 5 feet at 6 seconds. Numerous showers, mainly this morning.
TONIGHT North northeast winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: Northwest 7 feet at 15 seconds and north 5 feet at 5 seconds.
FRIDAY Northeast winds 15 to 20 knots, easing to 10 to 15 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: North northwest 5 feet at 14 seconds and north northeast 4 feet at 4 seconds.
FRIDAY NIGHT Northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North northwest 4 feet at 13 seconds and east northeast 3 feet at 4 seconds.
SATURDAY East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds and north northwest 4 feet at 12 seconds.
SATURDAY NIGHT East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds and north northwest 4 feet at 12 seconds.
SUNDAY East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northwest 3 feet at 15 seconds.
MONDAY East winds 15 to 20 knots, easing to 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds.
Maalaea Bay- 344 AM HST Thu Jan 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
TODAY North winds 15 to 20 knots. Seas to 3 feet this morning, then to 2 feet or less. Occasional showers, mainly this morning.
TONIGHT North winds to 20 knots. Seas to 2 feet or less.
FRIDAY North winds to 25 knots. Seas to 2 feet or less. Wave Detail: North 2 feet at 3 seconds.
FRIDAY NIGHT North winds to 25 knots. Seas to 2 feet or less. Wave Detail: North northeast 2 feet at 3 seconds.
SATURDAY North winds to 25 knots, becoming northeast to 10 knots in the afternoon. Seas to 2 feet or less. Wave Detail: North northeast 2 feet at 3 seconds.
SATURDAY NIGHT East northeast winds 10 to 15 knots. Seas to 2 feet or less.
SUNDAY East winds 7 to 10 knots. Seas to 2 feet or less.
MONDAY East winds to 10 knots, becoming north northeast to 25 knots in the evening, easing to 20 knots after midnight. Seas to 2 feet or less.
Pailolo Channel- 344 AM HST Thu Jan 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
TODAY Northwest winds 10 to 15 knots, becoming north 15 to 20 knots this afternoon. Seas 3 to 5 feet. Wave Detail: West 3 feet at 6 seconds and west northwest 3 feet at 15 seconds. Numerous showers, mainly this morning.
TONIGHT North northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Northeast 3 feet at 3 seconds and west northwest 3 feet at 15 seconds.
FRIDAY Northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East northeast 3 feet at 4 seconds.
FRIDAY NIGHT East northeast winds 20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds.
SATURDAY East northeast winds 20 to 25 knots, easing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds.
SATURDAY NIGHT East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds.
SUNDAY East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: East 4 feet at 7 seconds.
MONDAY East winds 15 to 20 knots, rising to 20 to 25 knots in the evening, then becoming south southwest 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds.
Alenuihaha Channel- 344 AM HST Thu Jan 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
TODAY West winds 15 to 20 knots, veering to north northeast this afternoon. Seas 4 to 6 feet. Wave Detail: Northwest 5 feet at 12 seconds and west 4 feet at 6 seconds. Occasional showers, mainly this morning.
TONIGHT North northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: Northeast 5 feet at 5 seconds and northwest 5 feet at 15 seconds. Isolated showers in the evening.
FRIDAY Northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds and northwest 5 feet at 14 seconds.
FRIDAY NIGHT Northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds and northwest 3 feet at 14 seconds.
SATURDAY East northeast winds 20 to 25 knots, rising to 25 to 30 knots in the afternoon. Seas 5 to 8 feet. Wave Detail: East 7 feet at 6 seconds and northwest 3 feet at 12 seconds.
SATURDAY NIGHT East northeast winds 25 to 30 knots. Seas 6 to 9 feet. Wave Detail: East 8 feet at 6 seconds and northwest 3 feet at 12 seconds.
SUNDAY East winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East northeast 6 feet at 7 seconds.
MONDAY East winds 20 to 25 knots, easing to 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds.
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