MEMA Alert...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF KAUAI NIIHAU OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .A series of large northwest to north-northwest (315-330 degrees) swells will move through Hawaiian waters into Monday. The overlapping pulses of swell will likely maintain surf near or above warning thresholds along affected shores most of the time through at least the weekend, with the largest swell expected on Sunday. Advisory level surf will be possible along west facing shores of the Big Island.

...HIGH SURF WARNING NOW IN EFFECT UNTIL 6 PM HST FRIDAY...

* WHAT...Dangerously large breaking waves of 18 to 25 feet
rising to 20 to 30 feet on Thursday along north facing shores
of Kauai, Niihau, Oahu, Molokai and Maui. Large breaking waves
of 12 to 18 feet rising to 15 to 20 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...Until 6 PM HST Friday. This warning will
likely be extended through the weekend.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away from the shoreline along the affected coasts. Be
prepared for road closures. Postpone entering or leaving channels
affected by the high surf until the surf subsides.

High Surf Advisory 107310670