Coastal Waters Forecast for Big Island Windward Waters (PHZ122) (Text-Only)
NWS Forecast for: Big Island Windward Waters (PHZ122)
Issued by: National Weather Service Honolulu, HI
Last Update: 402 AM HST Fri Mar 20 2026
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Today: South southeast winds 10 to 15 knots, becoming southeast 15 to 20 knots this afternoon. Seas 5 to 6 feet. Wave detail: north 4 feet at 11 seconds, south southeast 3 feet at 4 seconds and south 3 feet at 13 seconds. Scattered showers this morning. Isolated thunderstorms. Isolated showers this afternoon.

Tonight: South southeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Seas 5 to 6 feet. Wave detail: north 4 feet at 11 seconds, south southeast 3 feet at 4 seconds and south 3 feet at 12 seconds. Isolated heavy showers and thunderstorms.

Saturday: South winds 10 to 15 knots. Seas 4 to 6 feet. Wave detail: north 5 feet at 11 seconds, south southeast 3 feet at 4 seconds and south 3 feet at 12 seconds. Isolated heavy showers and thunderstorms.

Saturday Night: South southwest winds 10 to 15 knots. Seas 4 to 6 feet. Wave detail: north 5 feet at 10 seconds, south 3 feet at 4 seconds and south 3 feet at 12 seconds. Scattered heavy showers with isolated thunderstorms.

Sunday: South winds 10 to 15 knots. Seas 3 to 5 feet. Wave detail: north northeast 3 feet at 10 seconds, south southwest 3 feet at 11 seconds and northwest 3 feet at 14 seconds. Heavy showers with isolated thunderstorms.

Sunday Night: Southwest winds to 10 knots. Seas 4 to 5 feet. Wave detail: north northeast 3 feet at 9 seconds and northwest 3 feet at 14 seconds. Showers likely.

Monday: North northeast winds 10 to 15 knots. Seas 6 to 9 feet. Wave detail: north 7 feet at 13 seconds and north northwest 3 feet at 5 seconds. Showers likely .

Tuesday: Northeast winds 15 to 20 knots. Seas 6 to 9 feet. Wave detail: north 9 feet at 12 seconds and north 4 feet at 5 seconds. Scattered showers.

winds and seas higher in and near tstms.







Zone Forecast: Big Island Windward Waters (PHZ122)

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