HIGH SURF WARNING FOR WEST FACING SHORES OF THE BIG ISLAND... ...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI.
THE CURRENT LARGE WEST NORTHWEST SWELL WILL LOWER GRADUALLY OVERNIGHT. HOWEVER A NEW WEST NORTHWEST SWELL IS EXPECTED TO FILL IN LATER TONIGHT AND FRIDAY.
HIGH SURF WARNING NOW IN EFFECT UNTIL 6 AM HST FRIDAY
* SURF...10 TO 12 FEET OVERNIGHT...LOWERING TO 8 TO 10 FEET ON FRIDAY. * TIMING...THROUGH 6 AM HST FRIDAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...VERY STRONG BREAKING WAVES AND STRONG LONGSHORE AND RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS.