.OVERVIEW...A POWERFUL LOW PRESSURE SYSTEM NORTHWEST OF THE ISLANDS HAS GENERATED A LARGE NORTHWEST SWELL THAT WILL ARRIVE ALONG EXPOSED NORTH AND WEST SHORES TONIGHT. THE SWELL WILL BUILD RAPIDLY OVERNIGHT... AND WILL EXCEED WARNING LEVELS BY SUNRISE. THIS SWELL WILL GRADUALLY BEGIN TO SUBSIDE TUESDAY NIGHT.
FORECAST SURF HEIGHTS ARE ESTIMATES OF THE HEIGHT OF THE FACE...OR FRONT...OF WAVES.
HIZ001>003-006>008-012-013-017-019-020-021430- /O.CON.PHFO.SU.W.0006.000000T0000Z-081203T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 633 PM HST MON DEC 1 2008
...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM HST WEDNESDAY...
SURF HEIGHTS ALONG NORTH FACING SHORES OF KAUAI AND NIIHAU WILL BUILD TO HEIGHTS OF 25 TO 35 FEET OVERNIGHT. ON NORTH FACING SHORES OF OAHU...MOLOKAI...AND MAUI...SURF WILL BUILD TO 25 TO 30 FEET BY SUNRISE TUESDAY. WEST FACING SHORES OF OAHU CAN EXPECT SURF BUILDING TO 18 TO 23 FEET...WITH SLIGHTLY LOWER HEIGHTS ALONG THE WEST FACING SHORES OF MOLOKAI AND MAUI.
A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVES WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.