High Surf Advisory Posted for Large Swell
A Small Craft Advisory is in effect for the Alenuihaha channel and windward waters through 6 p.m. Tuesday.
A High Surf Advisory is posted through 6 p.m. Monday for surf heights near 8 feet along west facing shores of the Big Island.
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.**
Hilo side: Wave heights are expected waist/chest high. Some spots with northwest exposure get up to overhead and possibly even double overhead.
Kona side: Wave heights are expected to be head high or more today as wrap from the northwest fills in. South-southwest is knee high or less.
South: Breaks open to the south-southwest swell are around knee high today.
Dangerously large west-northwest / northwest swell is expected to build and peak in the morning before beginning to drop in the afternoon through Tuesday.
Trade swell is expected to remain pretty small.
Our current south-southwest continues to ease through Monday.
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.