FZHW50 PHFO 171347 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 345 AM HST Sat Jan 17 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 345 AM HST Sat Jan 17 2026 .Synopsis for Hawaiian coastal waters... A high pressure system to the north will move east over the next couple of days maintaining stable moderate to locally strong trade winds. By late Sunday into early next week, winds will weaken and veer southerly as a front approaches the state from the northwest. This next cold front could begin to move through the state as early as late Tuesday afternoon.
Maui County Windward Waters- 346 AM HST Sat Jan 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY East northeast winds 15 to 20 knots. Seas 10 to 11 feet, subsiding to 8 to 11 feet this afternoon. Wave Detail: Northwest 7 feet at 13 seconds, north 5 feet at 12 seconds and east 4 feet at 5 seconds. Isolated showers this morning.
TONIGHT East winds to 20 knots. Seas 7 to 9 feet. Wave Detail: East 5 feet at 6 seconds and north northwest 5 feet at 12 seconds. Isolated showers in the evening.
SUNDAY East winds to 20 knots. Seas 7 to 10 feet. Wave Detail: Northwest 9 feet at 17 seconds, east 6 feet at 6 seconds and north 4 feet at 11 seconds. Isolated showers in the morning.
SUNDAY NIGHT East southeast winds to 20 knots. Seas 8 to 10 feet. Wave Detail: Northwest 9 feet at 15 seconds, east southeast 6 feet at 6 seconds and north 3 feet at 11 seconds.
MONDAY East southeast winds 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East southeast 6 feet at 6 seconds and northwest 6 feet at 14 seconds.
MONDAY NIGHT East southeast winds to 15 knots. Seas 6 to 8 feet. Wave Detail: East southeast 5 feet at 6 seconds and northwest 5 feet at 17 seconds.
TUESDAY South southeast winds to 15 knots, easing to 7 to 10 knots. Seas 6 to 7 feet. Wave Detail: Northwest 6 feet at 15 seconds and east 5 feet at 7 seconds. Isolated showers after midnight.
WEDNESDAY West winds 7 to 10 knots, veering to northeast after midnight. Seas 6 to 8 feet. Wave Detail: Northwest 8 feet at 15 seconds and east 3 feet at 7 seconds. Isolated showers in the morning, then scattered showers.
Maui County Leeward Waters- 346 AM HST Sat Jan 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds and north northwest 3 feet at 13 seconds.
TONIGHT East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds and north 3 feet at 11 seconds.
SUNDAY East northeast winds 15 to 20 knots, becoming northeast 10 to 15 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds, north 3 feet at 11 seconds and northwest 3 feet at 17 seconds.
SUNDAY NIGHT East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds and northwest 3 feet at 15 seconds.
MONDAY East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds.
MONDAY NIGHT East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds.
TUESDAY East southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: West northwest 3 feet at 15 seconds.
WEDNESDAY Winds variable less than 10 knots, becoming north 10 to 15 knots in the afternoon and evening, veering to east northeast 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: West northwest 4 feet at 14 seconds. Isolated showers through the night. Scattered showers through the day.
Maalaea Bay- 346 AM HST Sat Jan 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY North winds to 25 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 3 seconds.
TONIGHT North winds to 25 knots. Seas to 3 feet. Wave Detail: North northeast 3 feet at 3 seconds.
SUNDAY North winds 20 to 25 knots. Seas to 2 feet or less, then to 3 feet in the afternoon.
SUNDAY NIGHT North winds to 20 knots. Seas to 3 feet.
MONDAY North winds to 20 knots, becoming north northeast in the afternoon. Seas to 3 feet in the morning, then to 2 feet or less.
MONDAY NIGHT North winds to 15 knots. Seas to 2 feet or less.
TUESDAY Winds variable less than 10 knots. Seas to 2 feet or less.
WEDNESDAY Winds variable less than 10 knots, becoming north to 15 knots in the evening, then becoming variable less than 10 knots after midnight. Seas to 2 feet or less. Isolated showers.
Pailolo Channel- 346 AM HST Sat Jan 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers this morning.
TONIGHT East northeast winds 20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds.
SUNDAY East winds 20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the morning.
SUNDAY NIGHT East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 3 feet at 5 seconds.
MONDAY Southeast winds 15 to 20 knots, becoming west northwest 10 to 15 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds.
MONDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds.
TUESDAY Winds variable less than 10 knots. Seas to 3 feet.
WEDNESDAY Winds variable less than 10 knots in the morning, becoming north 7 to 10 knots, veering to north northeast 10 to 15 knots in the evening, becoming variable less than 10 knots. Seas 3 to 4 feet. Isolated showers through the night. Scattered showers through the day.
Alenuihaha Channel- 346 AM HST Sat Jan 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
TODAY East northeast winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 6 seconds, north northeast 3 feet at 12 seconds and northwest 3 feet at 13 seconds. Isolated showers this morning.
TONIGHT East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 7 feet at 6 seconds. Isolated showers in the evening.
SUNDAY East winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds and northwest 3 feet at 17 seconds.
SUNDAY NIGHT East winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds and northwest 3 feet at 15 seconds.
MONDAY East winds 15 to 20 knots, easing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds.
MONDAY NIGHT East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds.
TUESDAY Southeast winds 10 to 15 knots, veering to southwest 7 to 10 knots in the afternoon, backing to east northeast. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds and west northwest 3 feet at 15 seconds.
WEDNESDAY Winds variable less than 10 knots, becoming north northeast 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: West northwest 4 feet at 14 seconds. Isolated showers through the night. Scattered showers after midnight.
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