A High Surf Warning is posted for the north and east facing shores of the island of Hawaii through 6 p.m. Saturday. Swell from hurricane Olaf is expected to impact the area with wave heights of 12 to 18 foot faces.
A Small Craft Advisory is posted for the ʻAlenuihāhā channel as well as waters to the south and west of the Big Island through 6 p.m. Sunday. East to northeast winds up to 25 knots are forecast along with seas up to 10 feet.
**Click directly on the images below to make them larger. Charts include: Big Island projected winds, tides, swell direction & period and expected wave heights.**
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Big Island Surf Forecast
Hilo side: Wave heights are expected well overhead or more today. The best breaks could get up to double or even triple overhead as the day goes on.
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Kona side: Wave heights waist/tummy/chest high are expected today. The best breaks could get a bit bigger on the sets. Smaller waves are expected for spots not open to the south-southwest.
South: Wave heights are expected well overhead today. Best breaks open to the Olaf swell could get up to double or triple overhead on the sets.
Tropical swell is expected for the north and east shores of the Big Island, generated by hurricane Olaf. A warning is in effect at this time with dangerous surf conditions expected through Saturday. The swell is expected to peak Thursday and Friday.
A south swell will be on the rise tonight and Thursday, likely bringing surf to advisory levels along south facing shores Thursday night through Saturday.
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Small northwest swells will continue to slowly subside tonight and Thursday.
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.
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Big Island Surf Forecast
Tropical swell is expected for the north and east shores of the Big Island, generated by hurricane Olaf. A warning is in effect at this time with dangerous surf conditions expected through Saturday. The swell is expected to peak Thursday and Friday.
