High Surf Warning issued December 18 at 3:23AM HST until December 19 at 6:00PM HST by NWS Honolulu HI

…HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF KAUAI
NIIHAU OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI…

.The first in a series of large northwest to north-northwest (315-
330 degrees) swells will build down the island chain today,
peaking tonight and Thursday. Surf at advisory levels this morning
will reach High Surf Warning levels by this afternoon. Additional
pulses of swell from a similar direction will lead to periods of
extra large surf through the weekend.

* WHAT…Dangerously large breaking waves rising to 18 to 25
feet along north facing shores of Kauai, Niihau, Oahu, Molokai
and Maui, and rising to 12 to 18 feet along west facing shores
of Kauai, Niihau, Oahu, and Molokai.

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

* WHEN…From 6 AM Wednesday to 6 PM HST Thursday.

* IMPACTS…High. Expect very strong breaking waves and powerful
currents. Waves breaking in channel entrances may make
navigating the channels dangerous.

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