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Surf is up: Hurricanes Lowell and Karina generating big swells on most shores of Big island

Published September 5, 2026 • 3:44 AM HST Updated September 5, 2026 • 3:48 AM HST
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A high surf advisory has been extended through Sunday at 6 p.m. for south- and east-facing shores of the Big Island.

Swells from Hurricane Lowell are filling in, according to the National Weather Service in Honolulu. A large, medium-period east swell from Hurricane Karina is also filling in and will continue through the weekend, producing high-end advisory-level surf or warning-level surf along east-facing shores.

Karina will produce large breaking waves building up to 14 feet along east facing shores. 

Lowell will generate surf up to 12 feet along south facing shores, increasing to 14 feet by
Sunday afternoon. Surf also will be up to 8 feet along west-facing shores of the Big Island.

High surf advisory in affect for dark areas on map. Sept. 5, 2026. (Map: National Weather Service)
High surf advisory in affect for dark areas on map. Sept. 5, 2026. (Map: National Weather Service)

Strong breaking waves and strong currents will make swimming dangerous. The public is advised to heed all advice from ocean safety officials.

When in doubt, don’t go out.

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Big Island Now Staff

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