High Surf Advisory Posted, New NNW Expected Soon
Alerts (as of 1:00 a.m.)
A Gale Warning is posted for the ʻAlenuihāhā channel, as well as waters to the south of the Big Island from 6 a.m. Tuesday through 6 p.m. Wednesday.
A Small Craft Advisory is posted for all other Hawaii County waters through 6 p.m. Wednesday.
A High Surf Advisory is posted for east facing shores until 6 p.m. Wednesday.
**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 forecast from overhead to double overhead today for the best breaks.
Kona side: Wave heights are expected to be pretty flat today.
South: Wave heights are expected to be ankle/knee high today. Spots that are more open to the wrap will be bigger.
Overlapping northwest swells are expected for this week and through the end of the month. A north-northwest should fill in Wednesday. The Big Island will be heavily shadowed from these swells.
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.