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Small SSW Mix, Trade Swell Builds Today

July 20, 2016, 1:19 AM HST
* Updated July 19, 11:32 PM
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Image: James Grenz

Alerts (as of 1:00 a.m.)

A Small Craft Advisory is posted for our windier coastal waters through 6 p.m. Thursday.

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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Screen Shot 2016-07-19 at 10.54.53 PMBig Island Surf Forecast

Hilo side: Wave heights for spots exposed to the tropical swell are expected to be around waist/shoulder high today.

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

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South: Wave heights are expected to be knee / thigh high today with maybe waist high waves on the sets. Spots catching tropical and trade swell will be up to waist/shoulder high today.

Screen Shot 2016-07-19 at 10.54.45 PMOur current south-southwest swell is forecast to slowly fade Wednesday and Thursday with a small swell mixing in over that same time period. A new southerly swell is expected for around July 30th.

Quiet in the North Pacific at this time.

East swell from tropical system Celia is expected to quickly fade over the next few days. Trade swell will fill in through Thursday. Darby swell is expected to peak Friday before slowly fading through the weekend. Estelle should also generate swell. Will keep an eye on the development and bring you details as they become clearer.

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

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

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