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New Swell Builds Today

December 31, 2015, 1:52 AM HST
* Updated December 30, 5:49 PM
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Alerts

A Small Craft Advisory is in effect for the Alenuihaha channel and windward waters.

Check our breaking news section for any urgent weather alerts or updates to the weather alerts listed above.

**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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ARTICLE CONTINUES BELOW AD

 

ARTICLE CONTINUES BELOW AD

Screen Shot 2015-12-30 at 4.17.04 PMBig Island Surf Forecast

Hilo side: Wave heights are expected shoulder/head high or more. Northwest swell should bring shoulder high to overhead waves as the swell builds. By sunset sets could be well overhead for the best exposures.

Kona side: Wave heights are expected to be knee/thigh high today. Waist/shoulder high late in the day for breaks catching the new west-northwest / northwest swell.

ARTICLE CONTINUES BELOW AD

South: Breaks open to the south-southwest swell are knee/waist high today. Trade swell up to a shoulder/head high at the best exposures.

Screen Shot 2015-12-30 at 4.17.13 PMA new west-northwest / northwest swell is expected to build rapidly Thursday, peaking in the afternoon and holding through Friday. Reinforcing swell is expected to fill in for the 2nd and 3rd out of the west-northwest / northwest.

Trade swell is expected to continue to gradually fade.

Our current south-southwest brings small but rideable waves through Thursday.

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

Screen Shot 2015-12-30 at 4.17.13 PM

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