HONOLULU (HawaiiNewsNow) - A high surf warning is in effect for the north and west shores of Kauai and Niihau, and a high surf advisory is posted for the north and west shores of Oahu and Molokai, the north-facing shores of Maui and the west-facing shores of the Big Island as a new swell rolls in.
The National Weather Service office in Honolulu said the ocean alerts are in effect until 6 p.m. Thursday.
Surf is forecast to rise to 20 to 25 feet for the north and west-facing shores of Kauai and Niihau. Waves are 16 to 20 feet are possible for the north shores of Oahu, Molokai and Maui. West shores of Oahu and Molokai could have surf of 10 to 14 feet.
Surf on the west shores of the Big Island will rise to 5 to 8 feet.
Beach goers, swimmers and surfers should heed all advice from ocean safety lifeguards and exercise caution in and around ocean waters in the advisory shoreline areas.