HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI.
LATEST BUOY OBSERVATIONS INDICATE THAT A LONG-PERIOD NORTHWEST SWELL CONTINUES TO BUILD...BOOSTING SURF WELL ABOVE ADVISORY LEVELS ALONG EXPOSED NORTH AND WEST FACING SHORES. SURF WILL PEAK NEAR OR JUST BELOW WARNING LEVELS EARLY WEDNESDAY.
HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST THURSDAY
* SURF...ALONG NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI...RISING TO 16 TO 22 FEET TONIGHT AND CONTINUING THROUGH WEDNESDAY. ALONG WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...RISING TO 10 TO 14 FEET TONIGHT AND CONTINUING THROUGH WEDNESDAY. * TIMING...RISING TONIGHT AND PEAKING WEDNESDAY. DECLINING WEDNESDAY NIGHT BUT REMAINING AT ADVISORY LEVELS. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG CURRENTS MAKING SWIMMING DANGEROUS.