Uyarılar, ‘Olo‘upena

High Surf Warning issued December 23 at 3:48AM HST until December 23 at 6:00PM HST by NWS Honolulu HI ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF THE BIG ISLAND... .Warning-level surf will continue through much of today along exposed north and west facing shores as a significant northwest (310-320 degrees) swell continues to impact the area. Heights will lower to advisory levels Tuesday, then drop below Tuesday night through Wednesday as the swell moves out. * WHAT...Surf of 20 to 30 feet, lowering to 20 to 25 feet this afternoon along north facing shores of Niihau, Kauai, Oahu, Molokai and Maui. Surf of 18 to 24 feet, lowering to 15 to 20 feet this afternoon 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...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. 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.