High Surf Advisory issued December 22 at 3:43AM HST until December 23 at 6:00AM 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 WARNING FOR WEST FACING SHORES OF THE BIG ISLAND…
…HIGH SURF ADVISORY FOR NORTH FACING SHORES OF THE BIG ISLAND…

.An extended period of hazardous surf and beach conditions will
persist into Monday along exposed north and west facing shores
due to an extra large northwest swell (315-330 degrees) arriving
today. This swell will rapidly build down the island chain and
peak today, and then gradually ease tonight through Monday.

* WHAT…Surf of 10 to 14 feet building to 14 to 18 feet this
afternoon.

* WHERE…North facing shores of the Big Island.

* WHEN…Until 6 AM HST Monday.

* IMPACTS…Moderate. Strong breaking waves and strong currents
will make swimming dangerous.