FZHW50 PHFO 210120 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 319 PM HST Tue Jan 20 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 319 PM HST Tue Jan 20 2026 .Synopsis for Hawaiian coastal waters... A cold front will bring fresh to strong northerly winds and elevated rough seas around Kauai tonight. The front and its associated winds will steadily weaken as the feature advances to Oahu early Wednesday then stalls over Maui County waters Wednesday night. High pressure will gradually build north of the area Thursday into Friday, bringing moderate easterly trade winds. Another front will approach during the weekend, causing winds to shift out of the southeast and south.
Maui County Windward Waters- 319 PM HST Tue Jan 20 2026
TONIGHT South winds 7 to 10 knots. Seas 6 to 7 feet. Wave Detail: Northwest 6 feet at 13 seconds and east 4 feet at 7 seconds. Isolated showers.
WEDNESDAY South southeast winds 10 to 15 knots, backing to east 7 to 10 knots in the afternoon. Seas 6 to 8 feet. Wave Detail: Northwest 6 feet at 15 seconds, east 3 feet at 7 seconds and north northwest 3 feet at 12 seconds. Isolated showers.
WEDNESDAY NIGHT East winds 10 to 15 knots. Seas 6 to 8 feet. Wave Detail: Northwest 7 feet at 14 seconds and east 3 feet at 7 seconds. Isolated showers in the evening, then scattered showers after midnight.
THURSDAY East northeast winds to 10 knots. Seas 6 to 8 feet. Wave Detail: Northwest 7 feet at 13 seconds and east southeast 3 feet at 7 seconds. Scattered showers.
THURSDAY NIGHT East northeast winds 10 to 15 knots. Seas 6 to 8 feet. Wave Detail: North northwest 8 feet at 12 seconds and east southeast 3 feet at 8 seconds. Scattered showers.
FRIDAY East winds 10 to 15 knots. Seas 6 to 8 feet. Wave Detail: North northwest 8 feet at 12 seconds and east southeast 3 feet at 8 seconds. Scattered showers.
FRIDAY NIGHT East winds 10 to 15 knots. Seas 6 to 8 feet. Wave Detail: North northwest 8 feet at 12 seconds and east 4 feet at 8 seconds. Scattered showers.
SATURDAY Southeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 11 seconds and east 4 feet at 7 seconds. Scattered showers.
SUNDAY South winds to 10 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 14 seconds and east southeast 3 feet at 7 seconds. Scattered showers.
Maui County Leeward Waters- 319 PM HST Tue Jan 20 2026
TONIGHT Southwest winds 7 to 10 knots this evening, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds and west northwest 3 feet at 14 seconds.
WEDNESDAY North winds 10 to 15 knots, veering to east northeast 7 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: North 3 feet at 7 seconds and west northwest 3 feet at 15 seconds. Isolated showers.
WEDNESDAY NIGHT Northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: West northwest 3 feet at 14 seconds. Isolated showers in the evening. Scattered showers after midnight.
THURSDAY North northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 13 seconds. Isolated showers.
THURSDAY NIGHT Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 12 seconds. Isolated showers.
FRIDAY East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 12 seconds. Scattered showers.
FRIDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds and north northwest 3 feet at 12 seconds. Scattered showers.
SATURDAY East southeast winds to 10 knots, veering to south 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Scattered showers.
SUNDAY South southwest winds to 10 knots, backing to south southeast. Seas to 3 feet. Scattered showers .
Maalaea Bay- 319 PM HST Tue Jan 20 2026
TONIGHT West southwest winds 7 to 10 knots this evening, becoming variable less than 10 knots. Seas to 2 feet or less.
WEDNESDAY Winds variable less than 10 knots, becoming north northwest 10 to 15 knots in the afternoon. Seas to 2 feet or less.
WEDNESDAY NIGHT North northeast winds to 15 knots. Seas to 2 feet or less.
THURSDAY Northeast winds 7 to 10 knots, becoming north northeast to 15 knots in the afternoon. Seas to 2 feet or less. Isolated showers in the afternoon.
THURSDAY NIGHT North northeast winds 10 to 15 knots. Seas to 2 feet or less.
FRIDAY Northeast winds 10 to 15 knots. Seas to 2 feet or less.
FRIDAY NIGHT North northeast winds 10 to 15 knots. Seas to 2 feet or less.
SATURDAY North northeast winds 10 to 15 knots in the morning, becoming variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the morning, then scattered showers.
SUNDAY Winds variable less than 10 knots, becoming southwest 7 to 10 knots in the afternoon, then becoming variable less than 10 knots in the evening, becoming south southeast to 10 knots after midnight. Seas to 2 feet or less. Scattered showers .
Pailolo Channel- 319 PM HST Tue Jan 20 2026
TONIGHT West winds 7 to 10 knots this evening, becoming variable less than 10 knots. Seas to 3 feet this evening, then to 2 feet or less. Isolated showers this evening.
WEDNESDAY North winds 10 to 15 knots, veering to east northeast in the afternoon. Seas to 3 feet. Isolated showers.
WEDNESDAY NIGHT East northeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers.
THURSDAY Northeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers.
THURSDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers in the evening. Scattered showers after midnight.
FRIDAY East northeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers.
FRIDAY NIGHT East northeast winds 10 to 15 knots. Seas to 3 feet. Scattered showers, mainly in the evening.
SATURDAY East southeast winds 10 to 15 knots, veering to south southeast 7 to 10 knots. Seas to 3 feet. Scattered showers.
SUNDAY South southwest winds 7 to 10 knots. Seas to 2 feet or less. Scattered showers .
Alenuihaha Channel- 319 PM HST Tue Jan 20 2026
TONIGHT West southwest winds 7 to 10 knots, veering to north northwest after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds and west northwest 3 feet at 14 seconds.
WEDNESDAY Northeast winds 7 to 10 knots, veering to east northeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 7 seconds and west northwest 3 feet at 15 seconds.
WEDNESDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 7 seconds and west northwest 3 feet at 14 seconds. Isolated showers.
THURSDAY Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: West northwest 4 feet at 13 seconds and east 3 feet at 7 seconds. Isolated showers.
THURSDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 8 seconds and west northwest 3 feet at 13 seconds. Isolated showers.
FRIDAY East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 8 seconds and northwest 3 feet at 12 seconds. Isolated showers.
FRIDAY NIGHT East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 8 seconds and northwest 3 feet at 12 seconds. Scattered showers.
SATURDAY East winds to 15 knots, veering to east southeast. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers.
SUNDAY South southwest winds 7 to 10 knots, backing to east southeast 10 to 15 knots after midnight. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day.
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