


Offshore Forecast
Issued by NWS
Issued by NWS
951 FZHW61 PHFO 092113 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 1113 AM HST THU OCT 9 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...A surface trough over NW waters will lift NW and dissipate by the end of the week. High pressure will build far northeast of the waters this weekend before a potential surface trough develops north of the waters early next week. An upper level trough could allow for some isolated thunderstorms over northern offshore waters. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...South winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 9 seconds. Scattered showers. .TONIGHT...Southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 9 seconds. Isolated showers. .FRIDAY...East southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 9 seconds. Isolated showers. .FRIDAY NIGHT...winds variable less than 10 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers. .SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Scattered showers. .SUNDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 4 to 6 feet, building to 6 to 7 feet. Scattered showers. .MONDAY...East winds 10 to 15 knots. Seas 6 to 8 feet. Scattered showers. $$ Hawaiian Offshore Waters- .THIS AFTERNOON...Trough over NW waters moving NW. NW Half, S winds up to 10 kt. SE half, SE 10 to 15 kt highest far S waters. Seas 4 to 6 ft. Isolated thunderstorms NW half. .TONIGHT THROUGH FRIDAY NIGHT...N of 21N, S winds up to 10 kt. S of 21N, E to SE winds 10 to 20 kt. Seas 4 to 6 ft. Isolated thunderstorms far NW waters and far S waters through Friday. .SATURDAY THROUGH MONDAY...N of 23N E winds up to 10 kt. S of 23N E winds 10 to 20 kt. Seas 6 to 7 ft Saturday increasing to 8 ft late Sunday through Monday. Isolated thunderstorms NW half Saturday, then N of 21N Sunday. Scattered thunderstorms N of 21N by Monday. $$