Large Swell Expected Soon
Alerts (as of 1:00 a.m.)
There are no weather alerts posted at this time.
**Click directly on the images below to make them larger. Charts include: Big Island projected winds, tides, swell direction & period and expected wave heights.**
Hilo side: Wave heights for spots exposed to the shifting swell are expected to be waist/chest high today with a fading trend taking hold.
Kona side: Wave heights are expected to be knee/thigh high today.
South: Wave heights are expected to be under waist high.
A small west-northwest swell is forecast to show this weekend and will bring increasing surf to north and west facing shores.
A large northwest swell is expected to build late Sunday and peak on Monday, likely bringing warning level surf to north and west facing shores of most of the islands into Tuesday.
Another large northwest swell is due to arrive Wednesday night into Thursday/Friday next week.
Out of the SPAC, a South Tasman storm will generate a small swell from Wednesday through Friday.
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.