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August 11, 2018 Surf Forecast

August 11, 2018, 5:00 AM HST (Updated August 11, 2018, 5:00 AM)
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Photo: James Grenz

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Swell Summary

Outlook through Saturday August 18: A new long-period south swell is filling in and expected to peak later today, and will then gradually lower Sunday. A mix of small long- period east swells and trade wind energy will keep the surf up along east facing shores through the weekend. The small north swell will gradually lower into the weekend. Although confidence is low, a small long-period northwest swell will be possible by Wednesday of next week.
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.

North East

am        pm  

Surf: Waist to chest high ESE medium period swell.

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Conditions: Sideshore texture/chop with SE winds 10-15mph in the morning shifting ESE for the afternoon.

North West

am        pm  

Surf: Knee high WSW wind swell.

Conditions: Semi glassy in the morning with ENE winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting W 5-10mph.

West

am        pm  

Surf: Waist high S ground swell in the morning with occasional chest high sets. This drops into the knee to waist range for the afternoon.

Conditions: Semi glassy in the morning with NNW winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting W 5-10mph.

South East

am        pm  

Surf: Waist to chest high ESE medium period swell with occasional shoulder high sets.

Conditions: Semi glassy in the morning with ENE winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting NE 10-15mph.

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

**Click directly on the images below to make them larger. Charts include: Hawaii 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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