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Civil Defense Issues Statement On Incoming, Large Ocean Swell
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by Big Island Video News
on Mar 16, 2019 at 7:30 am

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STORY SUMMARY

HAWAIʻI ISLAND - Significant beach erosion, periodic overtopping of nearby vulnerable coastal roadways, and property damage could occur, forecasters warn.

https://www.bigislandvideonews.com/wp-content/uploads/2019/03/Weekend-Weather-MAR-15.mp3

Audio from Hawaiʻi County Civil Defense, released Mar. 15, 2019.

(BIVN) – The National Weather Service continues to warn Hawaiʻi residents to prepare for significant coastal impacts due to hazardous surf later this weekend.

Forecasters say the northwest swell is expected to arrive Sunday, and will lead to “life-threatening surf along exposed north and west facing shores through Monday.”

The giant surf, which according to the National Weather Service is “defined by set waves over 40 feet in zones of high refraction on outer reefs”, is expected from a system that formed west of northern Japan.

Warning level surf is expected Sunday afternoon on north facing shores of the Big Island, the Hawaiʻi County Civil Defense stated in an alert issued Friday afternoon.

A combination of natural events will make matters worse, a Special Weather Statement states:

Strong northerly winds combined with peak monthly high tides just after midnight Sunday night will compound the situation, likely translating to significant beach erosion, periodic overtopping of nearby vulnerable coastal roadways, and property damage. Currents due to harbor surges could become strong enough to damage boats and infrastructure due to jostling of docks.

As a precaution, civil defense says the following are issued:

  • Oceanfront residents and beachgoers along the affected shores are advised to be on the alert for high and dangerous surf.
  • Boat owners and oceanfront residents should take action to secure their property by Sunday afternoon.
  • Closures of roads and beaches may occur without notice.

Filed Under: Hawaii Tagged With: high surf

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