High Surf Warning issued January 6 at 3:37AM HST until January 8 at 6:00AM HST by NWS Honolulu HI

…HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF KAUAI
NIIHAU OAHU AND MOLOKAI AND NORTH FACING SHORES OF MAUI AND WEST
FACING SHORES OF THE BIG ISLAND UNTIL 6 AM HST WEDNESDAY…

.Warning level surf will continue at least through Wednesday
morning along exposed north and west facing shores. Another
reinforcing northwest swell will swiftly build in later tonight
into Tuesday, and an even larger swell will build into the region
from Tuesday night into Wednesday. Surf heights from Tuesday into
Wednesday will build far above warning thresholds, bringing
significant and dangerous surf along exposed north and west facing
shores.

* WHAT…Dangerously large breaking waves of 20 to 25 feet today
and 25 to 35 feet by Tuesday are expected along north facing
shores of Niihau, Kauai, Oahu, Molokai, and Maui.

Dangerously large breaking waves of 15 to 20 feet today and 20
to 25 feet by Tuesday are expected 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 AM HST Wednesday.

* 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.