FZHW50 PHFO 041311 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 311 AM HST Wed Feb 4 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 311 AM HST Wed Feb 4 2026 .Synopsis for Hawaiian coastal waters... High pressure will briefly build over the region today, followed by a strong cold front and upper trough moving into the area from Friday through the weekend.
Kauai Northwest Waters- 311 AM HST Wed Feb 4 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY MORNING...
TODAY Winds variable less than 10 knots, becoming south southeast 7 to 10 knots this afternoon. Seas 13 to 15 feet. Wave Detail: Northwest 15 feet at 14 seconds.
TONIGHT South winds 7 to 10 knots. Seas 12 to 13 feet, subsiding to 10 to 11 feet after midnight. Wave Detail: North northwest 13 feet at 13 seconds.
THURSDAY Southwest winds 10 to 15 knots. Seas 7 to 9 feet. Wave Detail: North northwest 9 feet at 12 seconds and west southwest 3 feet at 4 seconds.
THURSDAY NIGHT West southwest winds to 15 knots. Seas 8 to 9 feet. Wave Detail: Northwest 8 feet at 12 seconds and west 3 feet at 4 seconds. Isolated showers.
FRIDAY West southwest winds to 15 knots, veering to north in the afternoon. Seas 9 to 10 feet, building to 11 to 14 feet in the afternoon. Wave Detail: Northwest 14 feet at 15 seconds and west 3 feet at 4 seconds. Scattered showers.
FRIDAY NIGHT North northeast winds to 20 knots. Seas 13 to 15 feet. Wave Detail: Northwest 14 feet at 15 seconds and east northeast 6 feet at 6 seconds. Numerous showers, mainly in the evening.
SATURDAY Northeast winds 20 to 25 knots. Seas 10 to 13 feet. Wave Detail: Northwest 11 feet at 14 seconds and east 9 feet at 8 seconds. Numerous showers with a slight chance of thunderstorms.
SUNDAY East northeast winds 25 to 30 knots. Seas 11 to 13 feet. Wave Detail: East 11 feet at 9 seconds and north 8 feet at 12 seconds. A slight chance of thunderstorms in the morning. Occasional showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near tstms.
Kauai Windward Waters- 311 AM HST Wed Feb 4 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY MORNING...
TODAY Winds variable less than 10 knots, becoming southeast 7 to 10 knots this afternoon. Seas 15 to 16 feet, subsiding to 13 to 15 feet this afternoon. Wave Detail: Northwest 16 feet at 14 seconds.
TONIGHT South southeast winds 7 to 10 knots. Seas 12 to 13 feet, subsiding to 10 to 12 feet after midnight. Wave Detail: North northwest 13 feet at 14 seconds.
THURSDAY West southwest winds 10 to 15 knots. Seas 8 to 10 feet, subsiding to 7 to 8 feet in the afternoon. Wave Detail: North northwest 10 feet at 12 seconds. Hazy in the afternoon.
THURSDAY NIGHT West southwest winds 10 to 15 knots. Seas 7 to 9 feet. Wave Detail: Northwest 8 feet at 12 seconds and west northwest 3 feet at 5 seconds. Isolated showers.
FRIDAY West southwest winds 10 to 15 knots, veering to north northwest in the afternoon. Seas 8 to 9 feet, building to 10 to 13 feet in the afternoon. Wave Detail: Northwest 13 feet at 15 seconds and east southeast 3 feet at 5 seconds. Scattered showers.
FRIDAY NIGHT North northeast winds 15 to 20 knots. Seas 13 to 15 feet. Wave Detail: Northwest 14 feet at 14 seconds and east northeast 6 feet at 6 seconds. Numerous showers.
SATURDAY Northeast winds 20 to 25 knots. Seas 10 to 13 feet. Wave Detail: Northwest 12 feet at 14 seconds and east 8 feet at 7 seconds. Numerous showers with a slight chance of thunderstorms.
SUNDAY East northeast winds 25 to 30 knots. Seas 11 to 13 feet. Wave Detail: East 11 feet at 9 seconds and north 8 feet at 12 seconds. A slight chance of thunderstorms in the morning. Occasional showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near tstms.
Kauai Leeward Waters- 311 AM HST Wed Feb 4 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY MORNING...
TODAY East southeast winds 7 to 10 knots. Seas 10 to 14 feet. Wave Detail: Northwest 14 feet at 14 seconds.
TONIGHT South southeast winds 7 to 10 knots. Seas 8 to 11 feet. Wave Detail: North northwest 11 feet at 13 seconds.
THURSDAY Southwest winds 7 to 10 knots. Seas 5 to 8 feet. Wave Detail: North northwest 8 feet at 12 seconds. Hazy in the afternoon.
THURSDAY NIGHT West southwest winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 7 feet at 12 seconds. Isolated showers.
FRIDAY West winds 10 to 15 knots. Seas 6 to 9 feet, building to 9 to 12 feet in the afternoon. Wave Detail: Northwest 12 feet at 14 seconds. Scattered showers.
FRIDAY NIGHT North northeast winds 15 to 20 knots. Seas 9 to 13 feet. Wave Detail: Northwest 13 feet at 15 seconds and northeast 6 feet at 6 seconds. Scattered showers.
SATURDAY Northeast winds 20 to 25 knots. Seas 9 to 12 feet. Wave Detail: Northwest 10 feet at 14 seconds and east northeast 9 feet at 7 seconds. Numerous heavy showers with a slight chance of thunderstorms.
SUNDAY East northeast winds 25 to 30 knots. Seas 9 to 12 feet. Wave Detail: East northeast 11 feet at 8 seconds and north 7 feet at 12 seconds. A slight chance of thunderstorms through the night. Numerous heavy showers, then occasional showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near tstms.
Kauai Channel- 311 AM HST Wed Feb 4 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY MORNING...
TODAY Northeast winds 7 to 10 knots, veering to east southeast this afternoon. Seas 8 to 11 feet. Wave Detail: North northwest 11 feet at 14 seconds.
TONIGHT Winds variable less than 10 knots, becoming south southeast 7 to 10 knots after midnight. Seas 7 to 10 feet. Wave Detail: North northwest 10 feet at 14 seconds. Hazy after midnight.
THURSDAY Southwest winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: North northwest 7 feet at 12 seconds. Hazy. Isolated showers.
THURSDAY NIGHT West southwest winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds. Hazy in the evening. Scattered showers.
FRIDAY West winds 10 to 15 knots. Seas 5 to 7 feet, building to 6 to 9 feet in the afternoon. Wave Detail: Northwest 8 feet at 14 seconds and west southwest 3 feet at 4 seconds. Scattered showers.
FRIDAY NIGHT North northeast winds 15 to 20 knots. Seas 8 to 11 feet. Wave Detail: Northwest 8 feet at 14 seconds and northeast 6 feet at 6 seconds. Scattered showers in the evening, then numerous showers after midnight.
SATURDAY Northeast winds 20 to 25 knots. Seas 8 to 11 feet. Wave Detail: East northeast 8 feet at 7 seconds and north northwest 7 feet at 14 seconds. Numerous heavy showers with a slight chance of thunderstorms.
SUNDAY East northeast winds 25 to 30 knots. Seas 9 to 12 feet. Wave Detail: East northeast 11 feet at 8 seconds and north 7 feet at 11 seconds. Occasional showers with a slight chance of thunderstorms. Winds and seas higher in and near tstms.
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