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Giant Surf Forecast, Special Weather Statement Issued

March 15, 2019, 10:39 AM HST · Updated March 15, 11:07 AM
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“Giant surf” is being forecast by the National Weather Service beginning this weekend, prompting a Special Weather Statement from the agency.

According to the advisory, “A large captured fetch of gale force winds approaching within 500 nautical miles of the state will send a large northwest to north-northwest (330 to 340 degrees) swell to the islands.”

NWS forecasters say surf is expected to rapidly build early Sunday morning, peak Sunday evening at “giant levels” and steadily decrease Monday into Tuesday.”

“Due to the combination of the giant surf, strong northerly winds, and near peak monthly high tides, overwash of low-lying coastal areas and roadways is likely Sunday through Monday, with the most vulnerable time frame around the high tide cycle Sunday night,” the NWS said.

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According to the NWS, significant beach erosion can be expected and strong harbor surges may cause damage to boats and infrastructure along north and west facing coastlines and harbors.

*Cover photo: King Tide at Olowalu (5.26.17) PC: Asa Ellison

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