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Many Marine Alerts Posted for Weekend

November 25, 2017, 1:26 AM HST
* Updated November 25, 12:38 AM
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Image: James Grenz

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

Wind Advisory: The Kohala area will experience gusts up to 50 mph through Sunday evening.

High Surf Warning: North and east facing shores of Big Island through 10 a.m. Saturday. Then, High Surf Advisory will be in effect.

Small Craft Advisory: Through 6 p.m. Sunday for northeast winds up to 30 knots.

Marine Weather Statement: A large long-period north swell continues to impact the island chain. This well could produce surges in north facing harbors like Hilo and could produce large breaking waves near channel and harbor entrances. Mariners are asked to exercise extreme caution.

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Check our breaking news section for any urgent weather alerts or updates to the weather alerts listed above.

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**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: Wave heights are expected to be head high to a few feet overhead today.

Kona: Wave heights are expected to be waist high or less today. Wrap from the north swell could bring chest high (spots north of Kalaoa).

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

Surf alerts are currently posted for the fading north swell.

A new north swell is forecast to fill in Sunday and peak Monday, possibly at advisory levels. Another northwest swell and north swell are forecast to arrive Wednesday.

Small southerly swells will continue with small background swell for south facing shores.

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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