


Offshore Forecast
Issued by NWS
Issued by NWS
941 FZHW61 PHFO 121523 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 522 AM 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 the area will extend into far N offshore waters during the next couple of days. The trough will gradually fill in on Tuesday as a ridge N of 30N strengthens. Thunderstorms will be possible mainly along the trough during the next couple of days and may redevelop over N waters by Wednesday. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East winds 7 to 10 knots to Kauai...east southeast 15 to 20 knots elsewhere. Seas 5 to 6 feet. Wave Detail: East 4 feet at 13 seconds and northwest 4 feet at 20 seconds. Isolated showers. .TONIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds and east 4 feet at 12 seconds. Scattered showers. .MONDAY...East winds 10 to 15 knots. Seas 6 to 8 feet. Wave Detail: Northwest 6 feet at 16 seconds and east 3 feet at 12 seconds. Scattered showers. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 6 to 9 feet. Wave Detail: Northwest 7 feet at 16 seconds and east 3 feet at 11 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots. Seas 6 to 9 feet. Scattered showers. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 8 feet. Scattered showers. .WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 8 feet. Scattered showers through the night, then numerous showers through the day. .THURSDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Numerous showers through the night, then scattered showers through the day. $$ Hawaiian Offshore Waters- .TODAY...S of 20N, E winds 10 to 15 kt. N of 20N E of 158W, E to SE winds 5 to 10 kt. N of 20N W of 158W, NE to E winds 5 to 10 kt. Seas 6 to 9 ft. Isolated thunderstorms far N waters. .SUNDAY NIGHT THROUGH MONDAY NIGHT...S of 20N, E winds 10 to 15 kt. N of 20N E of 158W, E to SE winds 5 to 10 kt. N of 20N W of 158W, NE to E winds 5 to 10 kt. Seas 6 to 9 ft. Isolated thunderstorms far N waters. .TUESDAY...E winds 10 to 15 kt. Seas 6 to 8 ft. .WEDNESDAY AND THURSDAY...E winds 10 to 20 kt. Seas 6 to 9 ft. Isolated thunderstorms N waters. $$