Expires:202303310915;;939239 FZHW50 PHFO 302002 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 1002 AM HST Thu Mar 30 2023 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-310915- 1002 AM HST Thu Mar 30 2023 .Synopsis for Hawaiian coastal waters... A trough of low pressure will linger west of the state for the next couple days, then shift slowly westward into early next week. This will lead to a slow and gradual return of trade winds from east to west across the marine area, with the strongest winds remaining over the eastern end of the state. $$