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Weather Advisory Update # 4 for April 13th, 2019


The National Weather Service (NWS) reports the Flood Advisory For East Hawaii and Winter Weather Advisory for the summits of Maunakea and Mauna Loa have since expired and been cancelled as of 5:00 pm this evening.



Wet conditions still persist along the Windward side of Hawaii Island, particularly for South Hilo and Puna Districts, where reports of moderate to heavy rain is still occurring and expected to continue into the overnight hours and drier conditions are expected to take over beginning tomorrow into Monday.


West Hawaii rains have let up and allowed for drier conditions to take over. Expected to clear overnight and cooler temperatures are expected in the overnight hours.


However the following advisories still remain in effect for the following areas:




WIND ADVISORY NOW IN EFFECT UNTIL 6 AM HST SUNDAY - WINDS: Northeast 15 to 30 mph with localized gusts over 50 mph are expected across Lanai, Kahoolawe, Maui central valley, leeward west Maui and the South Kohala district of the Big Island. Winds will be strongest over and immediately downwind of mountains. Winds are expected to decrease early Sunday. - TIMING: Through 6 AM HST Sunday. - IMPACTS: Winds this strong could down tree branches and cause localized power outages. Motorists, especially those in high profile vehicles, are urged to drive with caution. PRECAUTIONARY/PREPAREDNESS ACTIONS A Wind Advisory means that sustained winds of at least 30 mph, or gusts of at least 50 mph, are expected. Motorists should use extra caution.


HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST SUNDAY The National Weather Service in Honolulu has issued a High Surf Advisory, which is in effect until 6 PM HST Sunday. The High Surf Warning has been cancelled. - SURF: 8 to 12 feet along east facing shores of the Big Island lowering to 7 to 10 feet Sunday. - TIMING: Through 6 PM HST Sunday. - IMPACTS: Moderate...Expect strong breaking waves, shore break, and strong longshore and rip currents making swimming difficult and dangerous. PRECAUTIONARY/PREPAREDNESS ACTIONS


Beachgoers, swimmers, and surfers should heed all advice given by ocean safety officials and exercise caution.




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