


Offshore Forecast
Issued by NWS
Issued by NWS
296 FZHW61 PHFO 130301 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 501 PM HST SUN OCT 12 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...Broad troughing N of Hawaii is extending into the N offshore waters. Energy diving down into the base of this trough or developing upper low will move the system SSW of the islands through the week. This will increase the chance for mid to late week thunderstorms over the N and W waters. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 18 seconds and east 3 feet at 12 seconds. Scattered showers. .MONDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 7 feet at 16 seconds and east 3 feet at 12 seconds. Scattered showers. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 6 to 9 feet. Wave Detail: Northwest 7 feet at 16 seconds and east 3 feet at 11 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots. Seas 6 to 9 feet. Wave Detail: Northwest 7 feet at 14 seconds and east 3 feet at 7 seconds. Scattered showers. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Scattered showers. .WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Scattered showers. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 9 feet. Scattered showers with isolated thunderstorms. .THURSDAY...East winds 15 to 20 knots. Seas 5 to 8 feet. Scattered showers with isolated thunderstorms. .FRIDAY...East northeast winds 15 to 20 knots. Seas 5 to 8 feet. Isolated thunderstorms through the night. Scattered showers. Winds and seas higher in and near tstms. $$ Hawaiian Offshore Waters- .TONIGHT...NW waters, E or variable winds up to 10 kt. Elsewhere, E to SE winds 5 to 15 kt. Seas around 6 ft. Isolated thunderstorms far N waters. .MONDAY AND MONDAY NIGHT...NE to E winds 5 to 15 kt. Seas 6 to 8 ft. Isolated thunderstorms far N waters. .TUESDAY THROUGH FRIDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms N of 18N W of 157W. .FRIDAY...E winds 15 to 20 kt. Seas 7 to 9 ft. Isolated thunderstorms N of 18N W of 157W. $$