High Surf Advisory: Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai West; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast

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High Surf Advisory — Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai West; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast Severity: Minor. Certainty: Likely. ...HIGH SURF ADVISORY FOR SOUTH FACING SHORES THROUGH TONIGHT... .long-period south (190 degree) swell peaks today then gradually subsides through tonight. Surf will begin to diminish late tonight through Friday. * WHAT...Large breaking waves of 8 to 12 feet. * WHERE...South facing shores of all Hawaiian Islands. * WHEN...Until 6 AM HST Friday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.