Impacts from Lowell to impact the islands through Tuesday
Lowell is expected to bring various impacts to all islands through Tuesday. High surf will continue through Monday night. Flooding will be possible as showers and thunderstorms develop Sunday night through Tuesday, and there is the possibility for some tornadoes/waterspouts Monday and Monday night. Tropical storm force winds are expected to reach Kauai and Niihau late Monday through Monday night. Read More >
| NWS Forecast for: Big Island Leeward Waters (PHZ123) Issued by: National Weather Service Honolulu, HI Last Update: 1112 AM HST Mon Sep 7 2026 |  |
Rest Of Today: East winds 20 to 25 knots, becoming east southeast 25 to 30 knots this afternoon. Seas 8 to 11 feet, building to 9 to 13 feet this afternoon. Wave detail: west southwest 11 feet at 13 seconds and south southwest 7 feet at 6 seconds. Frequent heavy showers with isolated thunderstorms. Tonight: South southeast winds 20 to 25 knots. Gusts up to 35 knots in the evening. Seas 9 to 13 feet, subsiding to 8 to 11 feet after midnight. Wave detail: west southwest 10 feet at 12 seconds and southwest 7 feet at 6 seconds. Isolated thunderstorms in the evening. Frequent heavy showers. Tuesday: South southeast winds 20 to 25 knots, becoming south 15 to 20 knots in the afternoon. Seas 7 to 8 feet, subsiding to 5 to 6 feet in the afternoon. Wave detail: southwest 6 feet at 9 seconds and west northwest 5 feet at 8 seconds. Numerous showers. Isolated thunderstorms in the afternoon. Tuesday Night: South winds 10 to 15 knots, backing to south southeast 7 to 10 knots after midnight. Seas 4 to 6 feet. Wave detail: south southwest 4 feet at 14 seconds. Numerous showers. Wednesday: East southeast winds 7 to 10 knots, veering to southeast 10 to 15 knots in the afternoon. Seas 4 to 6 feet. Wave detail: south southwest 4 feet at 14 seconds and east 3 feet at 4 seconds. Scattered showers. Wednesday Night: East winds 10 to 15 knots. Seas 4 to 6 feet. Wave detail: south southwest 4 feet at 13 seconds and east northeast 3 feet at 5 seconds. Scattered showers. Thursday: East winds 10 to 15 knots, backing to northeast. Seas 4 to 6 feet. Wave detail: east northeast 3 feet at 5 seconds and south southwest 3 feet at 12 seconds. Scattered showers. Friday: East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave detail: east 3 feet at 4 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. winds and seas higher in and near tstms. | |
| Zone Forecast: Big Island Leeward Waters (PHZ123) | |
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