Active Weather Alerts
Flood Advisory
Issued: 11:59 PM May. 16, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 5 PM HST THIS AFTERNOON FOR THE ISLAND OF OAHU IN HONOLULU COUNTY... * WHAT...Flooding caused by excessive rainfall. * WHERE...The island of Oahu in Honolulu County. * WHEN...Until 500 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 157 PM HST, radar indicated heavy rain over both the Ko'olau Mountain Range and West Oahu. Rain was falling at a rate of 1 to 2 inches per hour. - Some locations that will experience flooding include... Waipio, Mililani, Wahiawa, Wheeler Field, Pearl City, Waikele, Kunia, Waipahu, Schofield Barracks, Aiea, Waikane, Waiahole, Halawa, Kahaluu, Ahuimanu, Moanalua, Punaluu, Iroquois Point, Kaaawa and Ewa Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, drainage ditches and low lying areas prone to flooding. && This advisory may need to be extended beyond 500 PM HST if flooding; persists.
Coastal Flood Statement
Issued: 7:10 PM May. 16, 2026 – National Weather Service
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH MONDAY AFTERNOON... * WHAT...Isolated minor coastal flooding. * WHERE...Vulnerable low-lying coastal roadways, docks, boat ramps and other coastal infrastructure of all Hawaiian Islands. * WHEN...During the afternoon hours this weekend into early next week. * IMPACTS...Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid driving through flooded roadways. If you are forced to drive through salt water, be sure to rinse your vehicle with fresh water. Move electronics, vehicles or other valuables to higher ground. Monitor vessels to ensure mooring lines don't get too tight and watch out for overwash around boat ramps. Secure canoes or other watercraft stowed on beaches. && Submit your coastal flooding photos to the University of Hawaii; Sea Grant College Program's Hawaii and Pacific Islands King; Tides Project at:; PacificIslandsKingTides.org
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