Active Weather Alerts
Flood Watch
Issued: 2:01 PM Dec. 17, 2025 – National Weather Service
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Niihau, Kauai, and Oahu. * WHEN...Through Thursday afternoon. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - A weakening cold front stalling out near Kauai and Oahu will continue to produce southerly winds, drawing up additional unstable and deep tropical moisture across the western half of the state. Expect periods of moderate to locally heavy showers and isolated thunderstorms through Thursday with potential flooding impacts over the islands of Niihau, Kauai and Oahu. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
Small Craft Advisory
Issued: 1:38 PM Dec. 17, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST THURSDAY... * WHAT...Southwest winds up to 25 kt with higher gusts and seas 7 to 12 feet. * WHERE...Kauai Northwest Waters, Kauai Windward Waters, Kauai Leeward Waters, Kauai Channel, Oahu Windward Waters, Oahu Leeward Waters and Kaiwi Channel. * WHEN...Until 6 AM HST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. &&
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