WHHW40 PHFO 221324 CFWHFO Coastal Hazard Message National Weather Service Honolulu HI 324 AM HST Sun Mar 22 2026 ...HIGH SURF ADVISORY FOR NORTH FACING SHORES OF NIIHAU KAUAI AND OAHU IS CANCELLED... .Surf has fallen below advisory thresholds and will continue to decline through today. HIZ001-007-009-029-030-035-221430- /O.CAN.PHFO.SU.Y.0021.000000T0000Z-260322T1600Z/ Niihau-Oahu North Shore-Olomana-Kauai North-Kauai East- Koolau Windward- 324 AM HST Sun Mar 22 2026 ...HIGH SURF ADVISORY IS CANCELLED... Surf has fallen below advisory thresholds, therefore the High Surf Advisory has been cancelled. $$