Expires:202405021430;;462698 FZHW50 PHFO 020139 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 339 PM HST Wed May 1 2024 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-021430- 339 PM HST Wed May 1 2024 .Synopsis for Hawaiian coastal waters... High pressure far northeast of the state will shift south and dissipate even as a second high builds to the north. Moderate to locally strong trade winds will further strengthen on Friday and persist into Monday. $$