High Surf Advisory

...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI AND OAHU... ...HIGH SURF ADVISORY FOR NORTH FACING SHORES OF MOLOKAI AND MAUI...

.A moderate, long-period northwest (330 degrees) swell is expected to arrive this evening, and quickly build overnight. Advisory level surf is expected to Sunday for north and west facing shores exposed to the swell, with the swell expected to continue into Monday. The swell may shift to a slightly more northerly direction for a brief time Monday, before declining Tuesday.

* WHAT...For north facing shores, building to 15 to 20 feet. For west facing shores, building to 10 to 14 feet.

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

* WHEN...From 6 AM Sunday to 6 PM HST Monday.

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