...HIGH SURF WARNING IN EFFECT FROM NOON SATURDAY TO NOON HST MONDAY... * WHAT...Dangerously large breaking waves building to 35 to 45 feet along north facing shores of Niihau, Kauai, Oahu, Molokai, and Maui. Surf building to 20 to 30 feet along west facing shores of Niihau, Kauai, Oahu, and Molokai. * WHERE...North and west facing shores of Niihau, Kauai, Oahu, and Molokai, and north facing shores of Maui. * WHEN...From noon Saturday to noon HST Monday. * IMPACTS...Very High...Expect ocean water surging and sweeping across beaches, coastal benches, and lava flows creating the potential for impacts to coastal properties and infrastructure, including roadways. Powerful longshore and rip currents will be present at most beaches. Large breaking waves and strong currents may impact harbor entrances and channels causing challenging boat handling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from the shoreline along the affected coasts. Be prepared for road closures. Postpone entering or leaving channels affected by the high surf until the surf subsides. &&