Active Weather Alerts
Flash Flood Warning
Issued: 2:44 AM Apr. 10, 2026 – National Weather Service
The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Kauai in Kauai County * Until 745 PM HST. * At 444 PM HST, radar and automated rain gauges indicated heavy rain falling over the north shore of Kauai. Rain was falling at a rate of 1 to 3 inches per hour. Sharp rises have been observed at the Hanalei River gauge. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. * Some locations that will experience flash flooding include... Kekaha, Princeville, Kilauea, Alakai Swamp Trails, Kokee State Park, Na Pali State Park, Wainiha, Haena, North Fork Wailua Trails, Waimea, Hanalei, Polihale, Hanapepe, Mana, Barking Sands, Waimea Canyon State Park, Pakala Village, Kaumakani, Eleele and Kalihiwai. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. && This warning may need to be extended beyond 745 PM HST if flooding; persists.; FLASH FLOOD...RADAR AND GAUGE INDICATED
Flood Advisory
Issued: 2:08 AM Apr. 10, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 715 PM HST THIS EVENING FOR THE ISLAND OF KAUAI IN KAUAI COUNTY... * WHAT...Flooding caused by excessive rainfall. * WHERE...The island of Kauai in Kauai County. * WHEN...Until 715 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. River or stream flows are elevated. * ADDITIONAL DETAILS... - At 405 PM HST, radar and automated rain gauges indicated heavy rain over Kauai. Rain was falling at a rate of 1 to 3 inches per hour. Area stream flows are elevated, especially at the Wainiha River gauge on the north shore of Kauai. - Some locations that will experience flooding include... The island of Kauai PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, drainage ditches and low lying areas prone to flooding. && This advisory may need to be extended beyond 715 PM HST if flooding; persists.
Gale Warning
Issued: 1:38 AM Apr. 10, 2026 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM HST FRIDAY... * WHAT...South winds 25 to 35 kt and seas 10 to 15 feet. * WHERE...Kauai Northwest Waters, Kauai Windward Waters, Kauai Leeward Waters, Kauai Channel, Oahu Windward Waters and Oahu Leeward Waters. * WHEN...Until 6 AM HST Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. &&
Flood Watch
Issued: 1:06 AM Apr. 10, 2026 – National Weather Service
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...all Hawaiian Islands. * WHEN...Through Friday 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... - Low pressure northwest of the islands will draw deep tropical moisture northward across the state, bringing the potential for heavy rain and thunderstorms capable of producing flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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