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King Tides Expected to Create Coastal Flooding

August 16, 2017, 1:04 AM HST
* Updated August 15, 10:25 PM
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Image: James Grenz

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

Small Craft Advisory: In place through 6 p.m. Thursday.

Special Weather Statement: Coastal flooding associated with spring tides (King tides) is possible over the next couple of days. The greatest potential for flooding is midday and in the mid to late afternoon hours of Friday into early next week.

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: Surf heights are expected to be knee/waist/chest high today.

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Kona side: Surf heights are expected to be knee/waist high today. Spots catching the swell could be bigger on the sets.

South: Surf heights are expected to be knee/waist high today. Spots catching the swell could be bigger on the sets.

Our current south-southwest has peaked and Wednesday this swell will slowly fade out. South-southeast swell is forecast for the second part of the work week and into the weekend… but pretty small. Nothing significant is forecast out of the South Pacific at this time.

Trade swell is forecast to hang around through the work week as trade winds will stay at moderate to breezy levels through the week. Into the weekend this trade swell could start to drop as a slight decrease in wind speeds is expected.

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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