High Surf Warning issued January 16 at 3:32PM HST until January 18 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…

.An extra-large west-northwest to northwest swell (300 to 320
degrees) will steadily fill in late tonight into Friday and peak
Friday afternoon through the evening. For the Big Island, the
west-northwest swell will steadily fill in through the day and
peak Friday night into Saturday.

* WHAT…Surf steadily building to 25 to 35 feet along north
facing shores and 15 to 25 feet along west facing shores on
Friday.

* WHERE…North and west facing shores of Niihau, Kauai, Oahu,
Molokai, and north facing shores of Maui.

* WHEN…From midnight tonight to 6 AM HST Saturday.

* 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.