


Offshore Forecast
Issued by NWS
Issued by NWS
388 FZHW61 PHFO 171501 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 501 AM HST FRI OCT 17 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...A broad trough remains over the N offshore waters for the next couple of days. An upper low will drift over the N half of the area today through the weekend, producing a few thunderstorms. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East winds 20 to 25 knots. Seas 8 to 11 feet. Wave Detail: North northwest 6 feet at 13 seconds and east 5 feet at 7 seconds. Hazy. Scattered showers with a chance of thunderstorms. .TONIGHT...East winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 7 seconds and north northwest 5 feet at 13 seconds. Scattered showers with a slight chance of thunderstorms. .SATURDAY...East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and north northwest 4 feet at 15 seconds. Scattered showers with a slight chance of thunderstorms. .SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds and northwest 4 feet at 14 seconds. Scattered showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Scattered showers. .SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Scattered showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Scattered showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Scattered showers. Winds and seas higher in and near tstms. $$ Hawaiian Offshore Waters- .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft, highest N waters. Isolated thunderstorms NW waters. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft, highest N waters. Isolated thunderstorms NW waters. .SATURDAY AND SATURDAY NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. Isolated thunderstorms NW waters. .SUNDAY THROUGH TUESDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. $$