000 WHHW40 PHFO 141331 CFWHFO Coastal Hazard Message National Weather Service Honolulu HI 331 AM HST Thu Dec 14 2017 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR NORTH FACING SHORES OF THE BIG ISLAND... .A very large north-northwest swell has peaked, but will continue to create dangerous surf along north and west facing shores today. HIZ001>003-006>008-012-013-017-019-020-150245- /O.CON.PHFO.SU.W.0018.000000T0000Z-171215T0400Z/ Niihau-Kauai Windward-Kauai Leeward-Waianae Coast- Oahu North Shore-Oahu Koolau-Molokai Windward-Molokai Leeward- Maui Windward West-Maui Central Valley-Windward Haleakala- 331 AM HST Thu Dec 14 2017 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 600 PM THIS EVENING... * SURF...Along north and west facing shores of Niihau, Kauai, Molokai, and north facing shores of Oahu and Maui, 20 to 25 feet today, lowering to 15 to 20 feet tonight. Along west facing shores of Oahu...15 to 20 feet today, lowering to 12 to 16 feet tonight. * TIMING...Slowly declining through Saturday. * IMPACTS...Very High...Expect ocean water surging over the shoreline. Powerful currents will be present at most beaches. Large breaking waves and strong currents may impact harbor entrances and channels causing challenging boat handling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay well away from the shoreline along the affected areas. && $$ HIZ025-150245- /O.CON.PHFO.SU.Y.0054.000000T0000Z-171215T0400Z/ Big Island North and East- 331 AM HST Thu Dec 14 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 600 PM THIS EVENING... * SURF...Along north facing shores...18 to 22 feet tonday, lowering to 15 to 20 feet tonight. * TIMING...Slowly declining tonight through Saturday. * IMPACTS...Moderate...Expect strong breaking waves, shore break, and strong currents making swimming dangerous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Heed all advice from ocean safety officials and exercise caution. && $$ Donaldson