


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
077 FZHW60 PHFO 060927 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1127 PM HST Sun Oct 5 2025 Hawaiian offshore waters beyond 40 nautical miles out to 240 nautical miles including the portion of the Papahanaumokuakea Marine National Monument east of French Frigate Shoals Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. PHZ105-061630- 1127 PM HST Sun Oct 5 2025 .Synopsis for the Hawaiian offshore waters... Trough over NW waters will slowly move SE Monday. Another trough NE of the area will slowly drift W through Wednesday. High pressure will build far NW Thursday through the forecast period. $$ PHZ180-061630- Hawaiian Offshore Waters- 1127 PM HST Sun Oct 5 2025 .REST OF TONIGHT...Trough over NW waters. NW of trough, NE winds 15 to 20 kt. Elsewhere, NE winds 5 to 15 kt. Seas 6 to 9 ft. .MONDAY AND MONDAY NIGHT...Trough mainly over NW waters. NW of trough, NE winds 15 to 20 kt. Elsewhere, E to SE winds up to 10 kt. Seas 6 to 8 ft. .TUESDAY AND TUESDAY NIGHT...E to SE winds up to 10 kt. Seas 6 to 8 ft. .WEDNESDAY THROUGH FRIDAY...S of 20N, E winds up to 15 kt. Elsewhere E to SE winds up to 10 kt. Seas 6 to 7 ft. Isolated thunderstorms far S Waters through Thursday. $$