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SSW Fading Today, New NW Expected Soon

May 18, 2017, 1:21 AM HST
* Updated May 17, 9:40 PM
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Image: James Grenz

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

High Surf Advisory: East facing shores of the Big Island through 6 a.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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Big Island Surf Forecast

Hilo side: Wave heights are forecast to be head high to overhead or more today.

Kona side: Wave heights are expected to be knee/waist high today with the best breaks getting up to tummy/chest high.

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South: Wave heights are expected to be knee/waist high today with the best breaks getting up to tummy/chest high.

Energy from our current south-southwest swell is fading Thursday/Friday. We expect something fun to build Friday for the weekend and fade back out late Sunday. Long range models are showing we may get a good swell toward the end of the month. Will keep an eye on it.

East trade swell continues at advisory levels through early Thursday before easing. Later in the weekend, a larger northwest swell is expected to fill in through the day Sunday, peaking Sunday night into Monday, then easing early next week. This swell will gradually shift out of a more northerly direction and hold into midweek as it trends down.

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

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