


Offshore Forecast
Issued by NWS
Issued by NWS
271 FZHW61 PHFO 152124 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 1124 AM HST WED OCT 15 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...A trough N of the offshore area will weaken tonight and the high building to the far NE will become the dominant surface feature driving the trade winds. An upper low will track over the N half of the area tonight through the weekend, bringing a chance for thunderstorms. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East southeast 5 feet at 6 seconds and northwest 5 feet at 14 seconds. Scattered showers. .TONIGHT...East winds 25 to 30 knots near the Big Island...east 15 to 20 knots elsewhere. Seas 6 to 8 feet. Wave Detail: East 5 feet at 6 seconds and northwest 5 feet at 14 seconds. Scattered showers with isolated thunderstorms. .THURSDAY...East winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 6 seconds and northwest 5 feet at 13 seconds. Scattered showers with isolated thunderstorms. .THURSDAY NIGHT...East winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East 5 feet at 7 seconds and northwest 4 feet at 13 seconds. Hazy. Frequent showers with isolated thunderstorms. .FRIDAY...East winds 20 to 25 knots. Seas 6 to 8 feet. Scattered showers with isolated thunderstorms. .FRIDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Scattered showers with isolated thunderstorms. .SATURDAY...East northeast winds 20 to 25 knots. Seas 5 to 8 feet. Isolated thunderstorms through the night. Scattered showers. .SUNDAY...East winds 20 to 25 knots. Seas 5 to 7 feet. Scattered showers. Winds and seas higher in and near tstms. $$ Hawaiian Offshore Waters- .THIS AFTERNOON THROUGH THURSDAY...E winds 10 to 20 kt. Seas 7 to 8 ft. Isolated thunderstorms N half. .THURSDAY NIGHT THROUGH SATURDAY...E winds 15 to 25 kt. Seas 7 to 9 ft. Isolated thunderstorms NW Half. .SUNDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. $$