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High Surf Warning, Gale Warning in Effect

December 21, 2015, 1:26 AM HST
* Updated December 20, 10:22 PM
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Alerts

A Small Craft Advisory is posted for Big Island windward waters through 6 p.m. Monday. East winds are expected up to 30 knots and seas up to 12 feet.

A Gale Warning is posted for winds up to 35 knots and seas up to 15 feet in the Alenuihaha channel and to the south and west of the Big Island. The warning is posted through 6 p.m. Monday.

A High Surf Warning is posted for east shores through 6 p.m. Monday for 10 to 15 foot faces.

Check our breaking news section for any urgent weather alerts.

ARTICLE CONTINUES BELOW AD

**Click directly on the images below to make them larger. Charts include: Big Island projected winds, tides, swell direction & period and expected wave heights.**

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Screen Shot 2015-12-20 at 8.47.19 PMBig Island Surf Forecast

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Hilo side: Wave heights are expected overhead to well overhead today. The best breaks could get up to double overhead on the sets.

Kona side: Wave heights are expected to be below waist high today.

South: Breaks open to the trade swell could get up to overhead at the best exposures. Out of the south-southwest surf will be pretty flat.

Screen Shot 2015-12-20 at 8.47.25 PMA big surge in easterly winds has brought small craft advisory and gale warning conditions over the coastal waters. Trade swell will continue as long as the winds are up. The rough seas will maintain high surf along east facing shores of the islands. The high surf warning for east facing shores goes through Monday night, and may need to be extended into Tuesday. Other surf sources this week include small NW swells Tuesday and Thursday.

A northwest swell is expected to slowly build Monday, peak Tuesday and ease Wednesday.

Nothing of note expected out of the Southern Hemisphere for the final weeks of 2015.

Keep in mind, surf heights are measured on the face of the wave from trough to crest. Heights vary from beach to beach, and at the same beach, from break to break.  

**Click here for your detailed Big Island weather report.**

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

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