August 13, 2018 Surf Forecast

August 13, 2018, 5:00 AM HST · Updated August 13, 5:00 AM
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Photo: Asa Ellison

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Swell Summary

Outlook through Monday August 20: The current south swell will gradually fade today, with only small surf then expected tonight through mid week. A series of small south swells may give a boost to surf along south facing shores Wednesday night into the upcoming weekend. A mix of small long-period east swell and trade wind energy will keep surf a bit elevated along east facing shores through tonight, with surf then lowering through midweek as the trade winds decrease. A very small northwest swell will be possible Wednesday through Thursday, boosting surf slightly along north facing shores.
Surf heights are forecast heights of the face, or front, of waves. The surf forecast is based on the significant wave height, the average height of the one third largest waves, at the locations of the largest breakers. Some waves may be more than twice as high as the significant wave height. Expect to encounter rip currents in or near any surf zone.

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North

am        pm  

Surf: Ankle to knee high ENE ground swell for the morning. The swell shifts more NNE and builds during the afternoon with occasional sets up to thigh high.

Conditions: Sideshore/choppy with E winds 15-20mph in the morning increasing to 20-25mph in the afternoon.

South

am        pm  

Surf: Knee high S ground swell with occasional thigh high sets.

Conditions: Semi glassy/semi bumpy with N winds less than 5mph in the morning shifting WNW 5-10mph in the afternoon. Glassy conditions are expected by late afternoon with NNW winds less than 5mph.

West

am        pm  

Surf: Ankle to knee high NNE short period wind swell.

Conditions: Clean with E winds 15-20mph.

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

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

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    Data Courtesy of NOAA.gov and SwellInfo.com

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