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: 330 PM HST Sun Apr 5 2026


Tonight: East northeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave detail: east southeast 3 feet at 4 seconds. Isolated showers.

Monday: East winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: east southeast 3 feet at 5 seconds. Isolated showers.

Monday Night: East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave detail: east southeast 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight.

Tuesday: East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave detail: east southeast 4 feet at 5 seconds, south southwest 4 feet at 18 seconds and northwest 3 feet at 16 seconds. Scattered showers.

Tuesday Night: Southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave detail: northwest 4 feet at 14 seconds, south southwest 4 feet at 18 seconds and east southeast 3 feet at 7 seconds. Scattered showers.

Wednesday: Southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave detail: northwest 4 feet at 14 seconds and south southwest 4 feet at 16 seconds. Scattered heavy showers.

Wednesday Night: Southeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave detail: east southeast 4 feet at 7 seconds, northwest 4 feet at 12 seconds and south southwest 4 feet at 15 seconds. Numerous heavy showers with isolated thunderstorms.

Thursday: Southeast winds 15 to 20 knots, becoming east southeast 25 to 30 knots. Seas 5 to 7 feet. Wave detail: east southeast 6 feet at 7 seconds, south southwest 4 feet at 14 seconds and northwest 3 feet at 11 seconds. Numerous heavy showers with isolated thunderstorms.

Friday: Southeast winds 20 to 25 knots, becoming south southeast 15 to 20 knots. Seas 5 to 7 feet. Wave detail: east southeast 6 feet at 7 seconds and south 4 feet at 14 seconds. Isolated thunderstorms through the night. Scattered heavy showers.

winds and seas higher in and near tstms.







Zone Forecast: Big Island Windward Waters (PHZ122)

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