


Offshore Forecast
Issued by NWS
Issued by NWS
637 FZNT25 KNHC 181945 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 345 PM EDT Fri Apr 18 2025 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... Southeast Gulf of America .SYNOPSIS...Fresh to strong NE winds will pulse offshore of the Yucatan Peninsula and in the eastern Bay of Campeche through this weekend as a trough develops daily and moves westward. Elsewhere, fresh to locally strong SE winds will spread across much of the basin as the pressure gradient increases between low pressure over the Southern Plains and high pressure E of Florida. Seas will also build through the weekend. Conditions will gradually improve next week as the pressure gradient relaxes. .TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. .SUN...E to SE winds 20 to 25 kt. Seas 5 to 7 ft. .SUN NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .MON...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...A surface trough extends from 31N59W to near Puerto Rico. A tight pressure gradient between this trough and high pressure over the western Atlantic will support fresh to strong NE to E winds and rough seas through this weekend from the Bahamas to the Greater Antilles. Winds and seas will slowly diminish west of 65W early next week. A complex low pressure system may develop in the central Atlantic this weekend, producing fresh to strong NE winds and rough seas in the vicinity of the low, east of 65W. .TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 20 to 25 kt S of 27N, and E 15 to 20 kt N of 27N. Seas 4 to 6 ft. .SAT NIGHT...E winds 20 to 25 kt S of 27N, and E to SE 15 to 20 kt N of 27N. Seas 4 to 6 ft. .SUN...E winds 15 to 20 kt S of 27N, and E to SE 10 to 15 kt N of 27N. Seas 4 to 6 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .MON...E winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. S of 27N, seas 3 ft, subsiding to 2 ft or less. N of 27N, seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 2 ft or less S of 27N, and 3 to 5 ft N of 27N. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less S of 27N, and 5 to 7 ft N of 27N. .WED...E winds 10 to 15 kt. S of 27N, seas 2 ft or less, building to 3 ft in the afternoon. N of 27N, seas 5 to 7 ft, subsiding to 3 to 5 ft in the afternoon. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft S of 27N, and 4 to 6 ft N of 27N.