| NWS Forecast for: Big Island Leeward Waters (PHZ123) Issued by: National Weather Service Honolulu, HI Last Update: 320 PM HST Thu Sep 17 2026 | |
Tonight: West of the big island, south winds 10 to 15 knots, veering to northwest 7 to 10 knots after midnight. Near south point, east winds 20 to 25 knots. Seas 4 to 6 feet. Wave detail: east northeast 5 feet at 6 seconds. A slight chance of thunderstorms this evening. Scattered showers. Friday: West of the big island, west southwest winds 7 to 10 knots, veering to northwest in the afternoon. Near south point, east winds to 25 knots. Seas 5 to 7 feet. Wave detail: east northeast 6 feet at 6 seconds and south southwest 3 feet at 17 seconds. Scattered showers. A slight chance of thunderstorms in the afternoon. Friday Night: West of the big island, winds variable less than 10 knots, becoming north northeast 7 to 10 knots after midnight. Near south point, east winds 20 to 25 knots. Seas 5 to 7 feet. Wave detail: east northeast 6 feet at 6 seconds and south southwest 3 feet at 16 seconds. Isolated showers. Saturday: West of the big island, south southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Near south point, east winds to 20 knots. Seas 5 to 7 feet. Wave detail: east northeast 5 feet at 5 seconds and south southwest 4 feet at 16 seconds. Isolated showers. Saturday Night: Winds variable less than 10 knots west of the big island...east 15 to 20 knots near south point. Seas 5 to 7 feet. Wave detail: east northeast 5 feet at 5 seconds and south southwest 4 feet at 16 seconds. Isolated showers. Sunday: West of the big island, winds variable less than 10 knots, becoming west 7 to 10 knots in the afternoon. Near south point, east winds 15 to 20 knots. Seas 5 to 7 feet. Wave detail: east northeast 5 feet at 5 seconds and south southwest 4 feet at 15 seconds. Isolated showers in the morning. Sunday Night: West of the big island, winds variable less than 10 knots. Near south point, east northeast winds 15 to 20 knots, rising to 20 to 25 knots after midnight. Seas 5 to 7 feet. Wave detail: east northeast 5 feet at 6 seconds and south southwest 4 feet at 15 seconds. Isolated showers after midnight. Monday: West of the big island, winds variable less than 10 knots. Near south point, northeast winds 10 to 15 knots, becoming 7 to 10 knots. Seas 5 to 7 feet. Wave detail: northeast 5 feet at 6 seconds and south 4 feet at 14 seconds. Isolated showers after midnight. Tuesday: West of the big island, winds variable less than 10 knots. Near south point, east northeast winds 7 to 10 knots, becoming 10 to 15 knots. Seas 4 to 6 feet. Wave detail: northeast 4 feet at 5 seconds and south 3 feet at 12 seconds. Isolated showers. winds and seas higher in and near tstms. | |
| Zone Forecast: Big Island Leeward Waters (PHZ123) | |
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