NNW Swell Building for Christmas Day

Image: James Grenz

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

Small Craft Advisory: For winds up to 25 knots. Posted through 6 p.m. Saturday.

Check our breaking news section for any weather alerts or updates that may have popped up since this forecast was posted. 

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

Big Island Surf Forecast

Hilo: Wave heights are expected to be head high to slightly overhead today.

Kona: Wave heights are expected to be ankle/waist high or less today. Some wrap could still sneak in to the best exposures.

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

A large north-northwest swell is forecast to fill in Christmas Day. This swell is expected to slowly fade and shift out of the north by early Tuesday. Advisory level surf is expected with this swell.

A front is forecast to move down the island chain Tuesday into Wednesday, will keep an eye on it.

As that low moves past to the north is should produce a swell late Wednesday or Thursday.

A small south-southwest swell could bring a little bump Wednesday as well.

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