FZHW50 PHFO 200143 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 343 PM HST Thu Feb 19 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 343 PM HST Thu Feb 19 2026 .Synopsis for Hawaiian coastal waters... A strong high pressure system to the north and a low pressure system and front just west of the offshore waters will allow strong to near gale force east to east southeast winds to persist through tonight. Winds will gradually decrease through Friday then quickly weaken Friday night into Saturday as a trough develops near the state. An upper level trough moving through the state will bring the threat for thunderstorms Friday into the weekend. A large north swell is expected on Monday.
Maui County Windward Waters- 343 PM HST Thu Feb 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
TONIGHT East winds 20 to 25 knots. Seas 11 to 12 feet. Wave Detail: East northeast 9 feet at 9 seconds. Scattered showers.
FRIDAY East winds 20 to 25 knots. Seas 11 to 12 feet. Wave Detail: East 9 feet at 9 seconds and northeast 6 feet at 9 seconds. Scattered showers.
FRIDAY NIGHT East winds 20 to 25 knots. Seas 8 to 11 feet. Wave Detail: East 9 feet at 9 seconds and northeast 5 feet at 9 seconds. Numerous showers in the evening, then heavy showers with isolated thunderstorms after midnight.
SATURDAY East southeast winds to 15 knots, becoming east in the afternoon. Seas 7 to 9 feet. Wave Detail: East 7 feet at 10 seconds and northeast 5 feet at 8 seconds. Heavy showers with isolated thunderstorms.
SATURDAY NIGHT East winds to 10 knots in the evening, becoming variable less than 10 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 9 seconds and northeast 5 feet at 8 seconds. Numerous heavy showers with isolated thunderstorms.
SUNDAY Winds variable less than 10 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 9 seconds. Numerous showers in the morning, then heavy showers with isolated thunderstorms in the afternoon.
SUNDAY NIGHT Winds variable less than 10 knots, becoming east northeast 10 to 15 knots after midnight. Seas 5 to 7 feet, building to 6 to 9 feet after midnight. Wave Detail: North northeast 7 feet at 9 seconds and east northeast 5 feet at 8 seconds. Isolated thunderstorms in the evening. Numerous heavy showers.
MONDAY East northeast winds 10 to 15 knots, rising to 15 to 20 knots. Seas 9 to 13 feet. Wave Detail: North northeast 11 feet at 15 seconds, east 6 feet at 6 seconds and north northwest 3 feet at 18 seconds. Numerous showers .
TUESDAY East northeast winds to 20 knots. Seas 9 to 13 feet. Wave Detail: North northeast 11 feet at 15 seconds, east 7 feet at 7 seconds and northwest 3 feet at 14 seconds. Scattered showers. Winds and seas higher in and near tstms.
Maui County Leeward Waters- 343 PM HST Thu Feb 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...
TONIGHT East winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 7 feet at 7 seconds.
FRIDAY East winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the afternoon.
FRIDAY NIGHT East winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Hazy. Isolated showers in the evening. Scattered heavy showers with isolated thunderstorms after midnight.
SATURDAY East winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. Scattered heavy showers with isolated thunderstorms.
SATURDAY NIGHT Winds variable less than 10 knots. Seas to 3 feet. Isolated thunderstorms in the evening. Scattered heavy showers.
SUNDAY Winds variable less than 10 knots, becoming northwest 7 to 10 knots in the afternoon. Seas to 3 feet in the morning, then to 2 feet or less. Scattered heavy showers. Isolated thunderstorms in the afternoon.
SUNDAY NIGHT North winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 9 seconds. Isolated thunderstorms in the evening. Scattered heavy showers.
MONDAY Winds variable less than 10 knots, becoming east northeast 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North 5 feet at 16 seconds. Scattered showers through the night, then isolated showers through the day.
TUESDAY East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the evening, easing to 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: North 5 feet at 14 seconds and east 4 feet at 5 seconds. Isolated showers through the night. Winds and seas higher in and near tstms.
Maalaea Bay- 343 PM HST Thu Feb 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
TONIGHT North winds to 25 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 4 seconds.
FRIDAY North winds to 25 knots. Seas to 3 feet. Wave Detail: North northeast 3 feet at 3 seconds.
FRIDAY NIGHT North winds to 25 knots, easing to 10 knots after midnight. Seas to 2 feet or less. Isolated showers after midnight.
SATURDAY Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the morning, then scattered heavy showers with isolated thunderstorms in the afternoon.
SATURDAY NIGHT Winds variable less than 10 knots. Seas to 2 feet or less. Scattered heavy showers with isolated thunderstorms in the evening. Isolated showers after midnight.
SUNDAY Winds variable less than 10 knots. Seas to 2 feet or less. Scattered heavy showers. Isolated thunderstorms in the afternoon.
SUNDAY NIGHT Winds variable less than 10 knots. Seas to 2 feet or less. Isolated thunderstorms in the evening. Scattered heavy showers.
MONDAY Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers through the night. Isolated showers through the day.
TUESDAY Winds variable less than 10 knots, becoming north 7 to 10 knots. Seas 3 to 4 feet. Isolated showers through the night. Winds and seas higher in and near tstms.
Pailolo Channel- 343 PM HST Thu Feb 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
TONIGHT East winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East northeast 6 feet at 9 seconds. Isolated showers this evening.
FRIDAY East winds 20 to 25 knots, rising to 25 to 30 knots in the afternoon. Seas 5 to 8 feet. Wave Detail: East northeast 5 feet at 9 seconds. Isolated showers in the morning. Scattered showers in the afternoon.
FRIDAY NIGHT East winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East northeast 4 feet at 8 seconds. Numerous showers in the evening. Scattered heavy showers with isolated thunderstorms after midnight.
SATURDAY East northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 8 seconds. Scattered heavy showers with isolated thunderstorms.
SATURDAY NIGHT Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 9 seconds. Scattered heavy showers with isolated thunderstorms in the evening, then isolated showers after midnight.
SUNDAY Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 8 seconds. Scattered heavy showers. Isolated thunderstorms in the afternoon.
SUNDAY NIGHT Winds variable less than 10 knots, becoming northeast 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 7 seconds. Isolated thunderstorms in the evening. Scattered heavy showers.
MONDAY East northeast winds 7 to 10 knots, becoming 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northeast 4 feet at 16 seconds and east northeast 3 feet at 7 seconds. Scattered showers.
TUESDAY East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 7 seconds and north northeast 3 feet at 15 seconds. Scattered showers. Isolated showers after midnight. Winds and seas higher in and near tstms.
Alenuihaha Channel- 343 PM HST Thu Feb 19 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
TONIGHT East northeast winds 20 to 25 knots. Seas 8 to 11 feet. Wave Detail: East northeast 9 feet at 8 seconds. Scattered showers.
FRIDAY East winds 20 to 25 knots, rising to 25 to 30 knots in the afternoon. Seas 7 to 10 feet. Wave Detail: East northeast 7 feet at 8 seconds. Scattered showers. Hazy in the afternoon.
FRIDAY NIGHT East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East northeast 7 feet at 8 seconds. Hazy. Scattered showers. Isolated thunderstorms after midnight.
SATURDAY East winds 15 to 20 knots, becoming east northeast 10 to 15 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 10 seconds. Scattered heavy showers with isolated thunderstorms.
SATURDAY NIGHT Northeast winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 5 to 7 feet. Wave Detail: East northeast 4 feet at 9 seconds. Scattered heavy showers with isolated thunderstorms.
SUNDAY Winds variable less than 10 knots, becoming northwest 7 to 10 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 9 seconds. Scattered heavy showers. Isolated thunderstorms in the afternoon.
SUNDAY NIGHT Winds variable less than 10 knots, becoming northeast 7 to 10 knots after midnight. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 8 seconds. Isolated thunderstorms in the evening. Scattered heavy showers.
MONDAY Northeast winds 7 to 10 knots, veering to east northeast 10 to 15 knots in the afternoon, rising to 15 to 20 knots in the evening, easing to 10 to 15 knots after midnight. Seas 6 to 9 feet. Wave Detail: East northeast 4 feet at 6 seconds and north northeast 4 feet at 15 seconds. Scattered showers through the night, then isolated showers through the day.
TUESDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East northeast 6 feet at 7 seconds and north northeast 4 feet at 15 seconds. Isolated showers through the night. Scattered showers through the day. Winds and seas higher in and near tstms.
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