High Surf Advisory & Coastal Flooding Statement

…HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THURSDAY FOR EXPOSED NORTH AND WEST FACING SHORES… …MINOR COASTAL FLOODING DURING HIGH TIDE THIS WEEK FOR LOW LYING COASTAL AREAS OF ALL ISLANDS… .A large north-northwest medium period swell will build into the Hawaiian Islands through Thursday increasing surf heights above advisory thresholds along exposed north and west facing shores of Niihau, Kauai, Oahu, Molokai, including north facing shores of Maui and the Big Island. Surf heights will likely fall below advisory thresholds by Thursday night as the swell energy decreases. Peak monthly high tides combined with water levels that are running higher than predicted will lead to minor flooding along the shoreline and in low-lying coastal areas. Coastal flooding is possible around the daily peak tide, which will be during the early morning hours. * WHAT…For the High Surf Advisory, large breaking waves of 12 to 18 feet along north facing shores and 8 to 12 feet along west facing shores. For the Coastal Flood Statement, isolated minor coastal flooding. * WHERE…For the High Surf Advisory, north and west facing shores of Niihau, Kauai, Oahu, Molokai, including north facing shores of Maui and the Big Island. For the Coastal Flood Statement, low lying coastal areas of Niihau, Kauai, Oahu, Molokai, Maui, and the Big Island. * WHEN…For the High Surf Advisory, until 6 PM HST Thursday. For the Coastal Flood Statement, through late Thursday night. * IMPACTS…Moderate. Strong breaking waves and strong currents will make swimming dangerous. Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation.

…HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THURSDAY FOR EXPOSED NORTH AND WEST FACING SHORES… …MINOR COASTAL FLOODING DURING HIGH TIDE THIS WEEK FOR LOW LYING COASTAL AREAS OF ALL ISLANDS… .A large north-northwest medium period swell will build into the Hawaiian Islands through Thursday increasing surf heights above advisory thresholds along exposed north and west facing shores of Niihau, Kauai, Oahu, Molokai, including north facing shores of Maui and the Big Island. Surf heights will likely fall below advisory thresholds by Thursday night as the swell energy decreases. Peak monthly high tides combined with water levels that are running higher than predicted will lead to minor flooding along the shoreline and in low-lying coastal areas. Coastal flooding is possible around the daily peak tide, which will be during the early morning hours. * WHAT…Isolated minor coastal flooding. * WHERE…Low lying coastal areas of Niihau, Kauai, Oahu, Molokai, Lanai, Kahoolawe, Maui and the Big Island. * WHEN…Through late Thursday night. * IMPACTS…Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation.

…HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THURSDAY FOR EXPOSED NORTH AND WEST FACING SHORES… …MINOR COASTAL FLOODING DURING HIGH TIDE THIS WEEK FOR LOW LYING COASTAL AREAS OF ALL ISLANDS… .A large north-northwest medium period swell will build into the Hawaiian Islands through Thursday increasing surf heights above advisory thresholds along exposed north and west facing shores of Niihau, Kauai, Oahu, Molokai, including north facing shores of Maui and the Big Island. Surf heights will likely fall below advisory thresholds by Thursday night as the swell energy decreases. Peak monthly high tides combined with water levels that are running higher than predicted will lead to minor flooding along the shoreline and in low-lying coastal areas. Coastal flooding is possible around the daily peak tide, which will be during the early morning hours. * WHAT…For the High Surf Advisory, large breaking waves of 12 to 18 feet along north facing shores and 8 to 12 feet along west facing shores. For the Coastal Flood Statement, isolated minor coastal flooding. * WHERE…For the High Surf Advisory, north and west facing shores of Niihau, Kauai, Oahu, Molokai, including north facing shores of Maui and the Big Island. For the Coastal Flood Statement, low lying coastal areas of Niihau, Kauai, Oahu, Molokai, Maui, and the Big Island. * WHEN…For the High Surf Advisory, until 6 PM HST Thursday. For the Coastal Flood Statement, through late Thursday night. * IMPACTS…Moderate. Strong breaking waves and strong currents will make swimming dangerous. Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation.