FZHW50 PHFO 210850 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 1050 PM HST Fri Mar 20 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 1050 PM HST Fri Mar 20 2026 .Synopsis for Hawaiian coastal waters... Low pressure west of Kauai will remain nearly stationary through today then pass north of the islands Saturday. The low will lift northeast of the state on Sunday, and strong high pressure will build far north of the islands Monday and Tuesday.
Maui County Windward Waters- 1050 PM HST Fri Mar 20 2026 .REST OF TONIGHT...South winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: North 7 feet at 10 seconds and south southeast 3 feet at 5 seconds. Heavy showers with isolated thunderstorms.
SATURDAY South southwest winds 10 to 15 knots. Seas 7 to 8 feet. Wave Detail: North 8 feet at 11 seconds and east southeast 3 feet at 6 seconds. Heavy showers with isolated thunderstorms.
SATURDAY NIGHT South southwest winds 15 to 20 knots. Seas 7 to 8 feet, subsiding to 5 to 8 feet after midnight. Wave Detail: North northeast 8 feet at 11 seconds and south 3 feet at 6 seconds. Heavy showers with isolated thunderstorms.
SUNDAY South southwest winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 10 seconds, west southwest 3 feet at 4 seconds and northwest 3 feet at 15 seconds. Heavy showers with isolated thunderstorms.
SUNDAY NIGHT West southwest winds 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: North 4 feet at 9 seconds, northwest 4 feet at 14 seconds and west northwest 3 feet at 5 seconds. Scattered showers.
MONDAY North northeast winds 7 to 10 knots. Seas 5 to 7 feet, building to 7 to 9 feet in the afternoon. Wave Detail: North 7 feet at 13 seconds and north 4 feet at 5 seconds. Scattered showers.
MONDAY NIGHT East northeast winds 10 to 15 knots. Seas 9 to 10 feet. Wave Detail: North 8 feet at 12 seconds and north northeast 4 feet at 5 seconds. Scattered showers in the evening. Isolated showers after midnight.
TUESDAY East northeast winds 10 to 15 knots, rising to 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: North 10 feet at 11 seconds and northeast 4 feet at 5 seconds. Isolated showers through the night. Scattered showers through the day.
WEDNESDAY East northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 7 to 9 feet. Wave Detail: North northeast 8 feet at 11 seconds, northeast 4 feet at 5 seconds and northwest 3 feet at 16 seconds. Scattered showers in the morning. Isolated showers in the afternoon, then scattered showers through the day. Winds and seas higher in and near tstms.
Maui County Leeward Waters- 1050 PM HST Fri Mar 20 2026 .REST OF TONIGHT...South winds to 15 knots. Seas 5 to 7 feet. Wave Detail: Southwest 4 feet at 5 seconds, north 4 feet at 10 seconds and south 3 feet at 12 seconds. Heavy showers with isolated thunderstorms.
SATURDAY South winds 10 to 15 knots, becoming 7 to 10 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: North 5 feet at 11 seconds, west southwest 3 feet at 5 seconds and south southwest 3 feet at 18 seconds. Heavy showers with isolated thunderstorms.
SATURDAY NIGHT South southwest winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Seas 4 to 6 feet. Wave Detail: North 4 feet at 11 seconds, west 3 feet at 5 seconds and south southwest 3 feet at 17 seconds. Heavy showers with isolated thunderstorms.
SUNDAY South southwest winds to 10 knots. Seas 4 to 6 feet. Wave Detail: West southwest 3 feet at 4 seconds and south southwest 3 feet at 16 seconds. Heavy showers with isolated thunderstorms.
SUNDAY NIGHT Southwest winds 7 to 10 knots. Seas 4 to 6 feet. Wave Detail: West 3 feet at 4 seconds, north 3 feet at 10 seconds and south southwest 3 feet at 16 seconds. Scattered showers.
MONDAY Winds variable less than 10 knots, becoming north northeast 7 to 10 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: North 4 feet at 5 seconds and north 4 feet at 11 seconds. Scattered showers in the morning. Isolated showers in the afternoon.
MONDAY NIGHT Northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: North 5 feet at 12 seconds and north northeast 4 feet at 5 seconds. Isolated showers in the evening.
TUESDAY 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: East 5 feet at 5 seconds and north 5 feet at 11 seconds.
WEDNESDAY Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds and north 4 feet at 11 seconds. Winds and seas higher in and near tstms.
Maalaea Bay- 1050 PM HST Fri Mar 20 2026 .REST OF TONIGHT...East southeast winds 10 to 15 knots, veering to southeast 7 to 10 knots. Seas to 2 feet or less. Wave Detail: West southwest 2 feet at 5 seconds. Heavy showers with isolated thunderstorms.
SATURDAY South winds 10 to 15 knots, backing to north northeast 7 to 10 knots in the afternoon. Seas to 2 feet or less. Heavy showers with isolated thunderstorms.
SATURDAY NIGHT Southwest winds to 10 knots, backing to south southeast 7 to 10 knots after midnight. Seas to 2 feet or less. Heavy showers with isolated thunderstorms.
SUNDAY South winds to 10 knots. Seas to 2 feet or less. Heavy showers with isolated thunderstorms.
SUNDAY NIGHT South southwest winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas to 2 feet or less. Scattered showers.
MONDAY Winds variable less than 10 knots, becoming north to 15 knots in the afternoon. Seas to 2 feet or less. Scattered showers.
MONDAY NIGHT North winds to 20 knots. Seas to 2 feet or less. Scattered showers in the evening.
TUESDAY North winds to 20 knots, rising to 25 knots. Seas to 2 feet or less.
WEDNESDAY North winds to 25 knots, easing to 20 knots. Seas to 2 feet or less. Winds and seas higher in and near tstms.
Pailolo Channel- 1050 PM HST Fri Mar 20 2026 .REST OF TONIGHT...South winds 10 to 15 knots, becoming south southeast 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southwest 3 feet at 5 seconds. Heavy showers with isolated thunderstorms.
SATURDAY Southwest winds 10 to 15 knots, backing to south southeast 7 to 10 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: Southwest 3 feet at 5 seconds and north 3 feet at 11 seconds. Heavy showers with isolated thunderstorms.
SATURDAY NIGHT South winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: West southwest 3 feet at 5 seconds and north northeast 3 feet at 11 seconds. Heavy showers with isolated thunderstorms.
SUNDAY South southwest winds 10 to 15 knots. Seas 3 to 4 feet. Heavy showers with isolated thunderstorms.
SUNDAY NIGHT South southwest winds 7 to 10 knots. Seas 3 to 4 feet. Scattered showers.
MONDAY Winds variable less than 10 knots, becoming north northeast 10 to 15 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: Northeast 3 feet at 4 seconds. Scattered showers in the morning. Isolated showers in the afternoon.
MONDAY NIGHT Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated showers in the evening.
TUESDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 4 seconds and northeast 3 feet at 12 seconds.
WEDNESDAY East northeast winds 20 to 25 knots, becoming northeast 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 4 seconds and east northeast 3 feet at 11 seconds. Winds and seas higher in and near tstms.
Alenuihaha Channel- 1050 PM HST Fri Mar 20 2026 .REST OF TONIGHT...South southwest winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: West southwest 3 feet at 5 seconds and north 3 feet at 10 seconds. Heavy showers likely with isolated thunderstorms.
SATURDAY South southwest winds 10 to 15 knots, veering to west 7 to 10 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: West southwest 3 feet at 5 seconds and north northeast 3 feet at 11 seconds. Heavy showers with isolated thunderstorms.
SATURDAY NIGHT West southwest winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Southwest 3 feet at 5 seconds and north northeast 3 feet at 11 seconds. Heavy showers with isolated thunderstorms.
SUNDAY South southwest winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southwest 3 feet at 4 seconds and south southwest 3 feet at 16 seconds. Heavy showers with isolated thunderstorms.
SUNDAY NIGHT South southwest winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: West 3 feet at 4 seconds. Scattered showers.
MONDAY Northeast winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: Northeast 5 feet at 5 seconds and north northeast 3 feet at 11 seconds. Scattered showers.
MONDAY NIGHT Northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds and north northeast 3 feet at 12 seconds. Scattered showers.
TUESDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 6 seconds and north northeast 4 feet at 11 seconds. Scattered showers.
WEDNESDAY East northeast winds 20 to 25 knots, becoming northeast 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 5 seconds and north northeast 4 feet at 10 seconds. Scattered showers in the morning. Isolated showers in the afternoon, then scattered showers through the day. Winds and seas higher in and near tstms.
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