FZHW50 PHFO 220502 AAA CWFHFO Coastal Waters Forecast...UPDATED National Weather Service Honolulu HI 702 PM HST Wed Jan 21 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 702 PM HST Wed Jan 21 2026 .Synopsis for Hawaiian coastal waters... A surface ridge will build north of the waters through Friday as an old frontal boundary gradually diminishes over the eastern end of the state. Another front will approach and begin to advance eastward into the area over the weekend.
Maui County Windward Waters- 702 PM HST Wed Jan 21 2026
TONIGHT East northeast winds 10 to 15 knots. Seas 6 to 7 feet, building to 7 to 9 feet after midnight. Wave Detail: Northwest 8 feet at 14 seconds and east 3 feet at 7 seconds. Scattered showers. Isolated thunderstorms after midnight.
THURSDAY Northeast winds 10 to 15 knots. Seas to 9 feet. Wave Detail: Northwest 9 feet at 13 seconds and east 3 feet at 7 seconds. Scattered showers with isolated thunderstorms.
THURSDAY NIGHT East northeast winds 10 to 15 knots, veering to east 7 to 10 knots after midnight. Seas 7 to 9 feet. Wave Detail: North northwest 8 feet at 13 seconds and east 3 feet at 8 seconds. Scattered showers.
FRIDAY East winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon. Seas 8 to 9 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 6 feet at 11 seconds and east 4 feet at 8 seconds. Scattered showers.
SATURDAY Southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 4 feet at 7 seconds. Scattered showers.
SATURDAY NIGHT South southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds and northwest 4 feet at 15 seconds. Scattered showers.
SUNDAY Southwest winds 10 to 15 knots, veering to northwest after midnight. Seas 4 to 6 feet. Wave Detail: East 3 feet at 7 seconds and northwest 3 feet at 14 seconds. Scattered showers.
MONDAY North northeast winds 10 to 15 knots, veering to east northeast after midnight. Seas 6 to 9 feet. Wave Detail: Northwest 8 feet at 14 seconds and east southeast 3 feet at 7 seconds. Isolated showers in the morning. Isolated showers after midnight. Winds and seas higher in and near tstms.
Maui County Leeward Waters- 702 PM HST Wed Jan 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY MORNING...
TONIGHT Northeast winds 20 to 25 knots, becoming east northeast 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: North northeast 3 feet at 4 seconds and west northwest 3 feet at 14 seconds. Scattered showers. Isolated thunderstorms after midnight.
THURSDAY Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northwest 4 feet at 14 seconds and northeast 3 feet at 4 seconds. Scattered showers with isolated thunderstorms.
THURSDAY NIGHT East 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 4 feet at 12 seconds and east southeast 3 feet at 4 seconds. Scattered showers.
FRIDAY NIGHT East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds and north northwest 3 feet at 11 seconds. Scattered showers.
SATURDAY Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Scattered showers.
SATURDAY NIGHT South winds to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Scattered showers.
SUNDAY Southwest winds to 10 knots, veering to northwest after midnight. Seas 3 to 4 feet. Scattered showers .
MONDAY North northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northwest 4 feet at 13 seconds and east 3 feet at 4 seconds. Isolated showers in the morning. Winds and seas higher in and near tstms.
Maalaea Bay- 702 PM HST Wed Jan 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY MORNING...
TONIGHT North northeast winds 20 to 25 knots. Seas to 2 feet or less.
THURSDAY North northeast winds 10 to 15 knots. Seas to 2 feet or less. Isolated showers and thunderstorms in the afternoon.
THURSDAY NIGHT North northeast winds 10 to 15 knots, veering to northeast 7 to 10 knots after midnight. Seas to 2 feet or less.
FRIDAY Winds variable less than 10 knots. Seas to 2 feet or less.
FRIDAY NIGHT North winds to 20 knots. Seas to 2 feet or less.
SATURDAY Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the morning, then scattered showers in the afternoon.
SATURDAY NIGHT Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers.
SUNDAY Winds variable less than 10 knots, becoming west southwest to 10 knots in the afternoon and evening, then becoming variable less than 10 knots after midnight. Seas to 2 feet or less. Scattered showers .
MONDAY North northeast winds to 10 knots, becoming north to 20 knots. Seas to 2 feet or less. Winds and seas higher in and near tstms.
Pailolo Channel- 702 PM HST Wed Jan 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY MORNING...
TONIGHT East northeast winds 20 to 25 knots. Seas to 3 feet. Scattered showers. Isolated thunderstorms after midnight.
THURSDAY East northeast winds 10 to 15 knots. Seas to 3 feet. Scattered showers with isolated thunderstorms.
THURSDAY NIGHT East northeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers in the evening. Scattered showers after midnight.
FRIDAY East winds 7 to 10 knots. Seas to 3 feet. Isolated showers.
FRIDAY NIGHT East northeast winds 15 to 20 knots. Seas to 3 feet. Scattered showers, mainly in the evening.
SATURDAY East winds to 10 knots, veering to south southwest in the afternoon. Seas to 3 feet. Scattered showers.
SATURDAY NIGHT South southwest winds to 10 knots. Seas to 3 feet in the evening, then to 2 feet or less. Scattered showers.
SUNDAY Southwest winds 10 to 15 knots, veering to west northwest 7 to 10 knots after midnight. Seas to 3 feet. Scattered showers .
MONDAY North northeast winds to 10 knots, becoming northeast 15 to 20 knots. Seas 3 to 4 feet. Isolated showers in the morning. Winds and seas higher in and near tstms.
Alenuihaha Channel- 702 PM HST Wed Jan 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY MORNING...
TONIGHT Northeast winds 20 to 25 knots, becoming east northeast 15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail: West northwest 4 feet at 14 seconds and east northeast 3 feet at 7 seconds. Scattered showers. Isolated thunderstorms after midnight.
THURSDAY Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: West northwest 4 feet at 14 seconds and east 3 feet at 8 seconds. Scattered showers with isolated thunderstorms.
THURSDAY NIGHT East 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 8 seconds. Isolated showers.
FRIDAY East winds 7 to 10 knots, backing to northeast 10 to 15 knots in the afternoon. 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 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds and northwest 3 feet at 11 seconds. Scattered showers.
SATURDAY East winds 15 to 20 knots, becoming east southeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers.
SATURDAY NIGHT South southeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers.
SUNDAY Southwest winds 10 to 15 knots, veering to west after midnight. Seas 3 to 4 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.
MONDAY North northwest winds to 10 knots, becoming northeast 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and northwest 3 feet at 13 seconds. Isolated showers in the morning. Isolated showers after midnight. Winds and seas higher in and near tstms.
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