Active Weather Alerts
Flood Watch
Issued: 1:45 AM Dec. 18, 2025 – National Weather Service
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Kauai, Oahu, and Niihau. * 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. &&
High Surf Advisory
Issued: 1:18 AM Dec. 18, 2025 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST FRIDAY... * WHAT...Surf heights up to 10 to 15 feet along north facing shores and 8 to 12 feet along west facing shores. Surf then building to 12 to 16 feet along north facing shores on Thursday. * WHERE...North and west facing shores of Niihau, Kauai, and Oahu. * WHEN...Until 6 AM HST Friday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Heed all advice from ocean safety officials. When in doubt, don't go out. &&
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