| NWS Forecast for: Big Island Windward Waters (PHZ122) Issued by: National Weather Service Honolulu, HI Last Update: 803 PM HST Mon Sep 21 2026 | |
| Rest Of Tonight: East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave detail: east 5 feet at 8 seconds and south southwest 4 feet at 13 seconds. Numerous showers. Tuesday: East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 6 to 8 feet. Wave detail: east 6 feet at 9 seconds, south southwest 4 feet at 12 seconds and north 3 feet at 12 seconds. Numerous showers, mainly in the morning. Tuesday Night: East northeast winds 15 to 20 knots. Seas 7 to 8 feet. Wave detail: east 7 feet at 9 seconds, north 3 feet at 11 seconds and south 3 feet at 13 seconds. Occasional heavy showers with isolated thunderstorms. Wednesday: East northeast winds to 20 knots. Seas 7 to 8 feet. Wave detail: east 7 feet at 9 seconds and north 3 feet at 10 seconds. Occasional heavy showers with isolated thunderstorms. Wednesday Night: East northeast winds to 20 knots. Seas 7 to 8 feet. Wave detail: east 7 feet at 8 seconds and north 3 feet at 10 seconds. Occasional heavy showers with isolated thunderstorms. Thursday: East northeast winds 20 to 25 knots. Seas 7 to 8 feet. Wave detail: east southeast 8 feet at 8 seconds. Occasional heavy showers with isolated thunderstorms. Thursday Night: East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave detail: east southeast 8 feet at 8 seconds. Numerous heavy showers with isolated thunderstorms. Friday: East winds 20 to 25 knots. Seas 8 to 9 feet. Wave detail: east 8 feet at 8 seconds and south southwest 3 feet at 15 seconds. Numerous heavy showers with isolated thunderstorms. Saturday: East winds 20 to 25 knots. Seas 9 to 10 feet. Wave detail: east 8 feet at 8 seconds and south southwest 3 feet at 16 seconds. Numerous showers through the night. Isolated thunderstorms. Scattered showers through the day. winds and seas higher in and near tstms. | |
| Zone Forecast: Big Island Windward Waters (PHZ122) | |
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