Weather Alerts For Hanalei, HI

URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Honolulu HI 500 PM HST Mon Dec 15 2025 ...FLOOD WATCH FOR KAUAI AND NIIHAU EXTENDED THROUGH 6 AM HST TUESDAY... ...FLOOD WATCH FOR OAHU WILL EXPIRE AT 6 PM HST TODAY... Niihau-Kauai Southwest-Kauai Mountains-Kauai North-Kauai East- Kauai South- 500 PM HST Mon Dec 15 2025 * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Niihau and Kauai. * WHEN...Through 6 AM HST Tuesday. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - A band of showers and thunderstorms has developed over and southwest of Kauai County and is headed to the northeast. This band is now expected to drop moderate to heavy rain well past 6 PM HST, so the flood watch has been extended through the night. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&

Coastal Hazard Message National Weather Service Honolulu HI 205 PM HST Mon Dec 15 2025 ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI IS NO LONGER IN EFFECT... ...HIGH SURF ADVISORY NOW IN EFFECT FOR NORTH FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND THROUGH TONIGHT... ...HIGH SURF ADVISORY REMAINS IN EFFECT FOR WEST FACING SHORES OF LEEWARD BIG ISLAND THROUGH TONIGHT... .A large, medium period north-northwest (290-300 degree) swell has peaked and will subside through tonight, except for west facing shores of Leeward Big Island where this swell will continue building through this evening. A large, long period north (350-360 degree) swell is also building into area waters this afternoon. This swell will maintain elevated surf along north facing exposures through tonight. Niihau-Oahu North Shore-Kauai North- 205 PM HST Mon Dec 15 2025 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST TUESDAY... * WHAT...Large breaking waves of 14 to 18 feet subsiding to 10 to 15 feet late tonight. * WHERE...North facing shores of Niihau, Kauai, and Oahu. * WHEN...Until 6 AM HST Tuesday. * 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. &&