HIGH SURF WARNING IN EFFECT UNTIL 6 PM HST THIS EVENING FOR SOUTH FACING SHORES OF ALL ISLANDS. .A medium, long-period south (190 degrees) swell will generate surf to warning levels along south facing shores through this afternoon. Surf heights will slowly decline to advisory levels by Sunday and then diminish by Tuesday. * WHAT. Dangerously large breaking waves of 10 to 15 feet. * WHERE. South facing shores of all islands. * WHEN. Until 6 PM HST this evening. * IMPACTS. High. Expect very strong breaking waves and powerful currents. Waves breaking in channel entrances may make navigating the channels dangerous.

HIGH SURF ADVISORY FOR SOUTH FACING SHORES OF ALL ISLANDS. . HIGH SURF WARNING IS CANCELLED. .The current long-period south swell (180 degrees) peaked yesterday and will slowly decline over the next several days. * WHAT. Large breaking waves of 8 to 12 feet. * WHERE. Portions of Kahoolawe, Kauai, Lanai, Maui, Molokai, Niihau, Oahu and the Big Island. * WHEN. Until 6 PM HST this evening. * IMPACTS. Moderate. Strong breaking waves and strong currents will make swimming dangerous.