Active Weather Alerts
Flash Flood Warning
Issued: 10:43 PM Apr. 10, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM HST THIS AFTERNOON FOR THE ISLAND OF OAHU IN HONOLULU COUNTY... At 1243 PM HST, emergency management reported heavy rain and flooding over the north shore of Oahu, particularly near Waialua and Ehukai Beach Park. Radar indicated rain was falling at a rate of up to an inch per hour within some of the heavier showers moving in from the west. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Emergency management. 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... Waialua, Haleiwa, Schofield Barracks, Wahiawa, Wheeler Field, Mililani, Waianae, Hauula, Laie, Nanakuli, Kahuku, Punaluu, Helemano Housing, Whitmore Village, Mokuleia, Waimea Valley, Waimea Bay, Pupukea, Sunset Beach and Dillingham Field. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. && FLASH FLOOD...OBSERVED
Small Craft Advisory
Issued: 1:23 PM Apr. 10, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING... ...GALE WARNING IS CANCELLED... * WHAT...Southwest winds 10 to 20 kt with gusts up to 35 kt and seas 7 to 10 feet expected. * WHERE...Kauai Northwest Waters, Kauai Windward Waters, Kauai Leeward Waters, Kauai Channel, Oahu Windward Waters and Oahu Leeward Waters. * WHEN...Until 6 PM HST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. &&
Flood Watch
Issued: 12:26 PM Apr. 10, 2026 – National Weather Service
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...The island of Kauai in Kauai County, The island of Niihau in Kauai County, Oahu, Maui, Molokai, Lanai, Kahoolawe, and the Big Island. * WHEN...Through this afternoon. * IMPACTS...Significant flooding may occur due to excessive rainfall and 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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