Message Brief:
HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF THE BIG ISLAND.
Message Overview:
A LARGE NORTH-NORTHWEST SWELL WILL SLOWLY DIMINISH TONIGHT... THEN DECLINE FURTHER ON FRIDAY. SURF HEIGHTS WILL REMAIN DANGEROUSLY LARGE ALONG EXPOSED NORTH AND WEST FACING SHORES THROUGH TONIGHT.