Active Weather Alerts
Flood Advisory
Issued: 9:12 PM Mar. 13, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 230 PM HST THIS AFTERNOON FOR THE ISLAND OF HAWAII IN HAWAII COUNTY... * WHAT...Flooding caused by excessive rainfall. * WHERE...The Big Island. * WHEN...Until 230 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 1109 AM HST, radar indicated heavy rain over the Puna and Kau Districts of the Big Island. Rain was falling at a rate of 0.5 to 1.5 inches per hour. - Some locations that will experience flooding include... Puna and Kau Districts of the Big Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch is also in effect for the Big Island through Sunday night. && This advisory may need to be extended beyond 230 PM HST if flooding; persists.
Special Marine Warning
Issued: 8:20 PM Mar. 13, 2026 – National Weather Service
The National Weather Service in Honolulu has issued a * Special Marine Warning for... Big Island Southeast Waters... Big Island Windward Waters... * Until 1215 PM HST. * At 1020 AM HST, strong thunderstorms were located along a line extending from 14 nm east of FAD Buoy D to near FAD Buoy A, moving north at 15 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... FAD Buoy D, Cape Kumukahi, FAD Buoy SS, FAD Buoy A, FAD Buoy KH, and FAD Buoy RN. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for gusty winds, steep and fast-building seas, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets. && HAIL...0.00IN; WIND...>34KTS
Flood Watch
Issued: 6:02 PM Mar. 13, 2026 – National Weather Service
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...The Big Island. * WHEN...Through late Sunday night. * 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... - Considerable flash flooding is possible beginning later today as a large and powerful kona storm northwest of the state draws deep tropical moisture northward across the islands. Persistent bands of heavy rain and thunderstorms may produce intense rainfall rates, leading to rapid rises in streams and flooding of roads and low lying areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
Wind Advisory
Issued: 12:16 PM Mar. 13, 2026 – National Weather Service
...WIND ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 AM HST SUNDAY BIG ISLAND LOWER ELEVATIONS... * WHAT...Southwest winds 25 to 35 mph with gusts to around 50 mph expected Big Island lower elevations. * WHERE...Island wide strong gusty winds are possible, but areas most at risk are communities north and east of steep mountains. * WHEN...From 6 AM this morning to 6 AM HST Sunday. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages. &&
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