Trade Winds Generate Swell Through Work Week
Alerts (as of 1:00 a.m.)
A Small Craft Advisory is in effect until 6 p.m. Friday for the ʻAlenuihāhā channel and Big Island southeast and windward waters for northeast to east winds up to 25 knots or more and seas of 5 to 8 feet.
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 for spots exposed to the trade swell are expected to be knee/waist/chest high today.
Kona side: Wave heights are expected to be knee/waist high today with the best breaks a bit bigger on the sets.
South: Wave heights are expected to be knee/waist high today with the best breaks a bit bigger on the sets. Spots catching trade swell could get up to knee/waist/chest high.
Only small southerly pulses are expected this week. A new southerly swell is expected for around July 31st and into the first week of August.
Trade swell is expected to increase over the next couple of days with bigger conditions expected Thursday and Friday.
Frank & Georgette are not likely to send significant swell to the Hawaiian Islands.
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.