452 FZNT25 KNHC 232049 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 449 PM EDT Mon Oct 23 2023 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... Southeast Gulf of Mexico .SYNOPSIS...High pressure building north of the area will lead to increasing winds early this week, with fresh to locally strong E winds and building seas through Thu night. .TONIGHT...NE to E winds 15 to 20 kt. Seas 3 to 4 ft. .TUE...E winds 15 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE to E winds 20 to 25 kt. Seas 3 to 5 ft, building to 5 to 7 ft late. .WED...NE to E winds 20 to 25 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. .THU...E winds 20 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. .FRI...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...Hurricane Tammy is near 22.3N 63.6W at 5 PM EDT, and is moving north-northeast at 6 kt. Maximum sustained winds are 65 kt with gusts to 80 kt, and the minimum central pressure is 990 mb. Tammy will move to 23.0N 62.9W Tue morning, 24.0N 61.7W Tue afternoon, 25.3N 60.3W Wed morning, 26.8N 59.0W Wed afternoon, 28.9N 58.6W Thu morning, and weaken as an extratropical cyclone near 30.3N 59.3W Thu afternoon. Tammy will change little in intensity as it moves N of the area near 31.7N 62.1W Fri afternoon. A cold front from near 31N65W to the northern Bahamas. High pressure will move off the east coast of the United States later tonight, and build north of the forecast area through midweek. The pressure gradient between the front, Tammy, and the area of building high pressure will tighten. The tightening pressure gradient will help to develop of a broad area of strong NE winds and rough seas across much of the area west of the boundary starting tonight and continuing through the week. .TONIGHT...NE to E winds 15 to 20 kt. S of 27N, seas 2 ft or less, building to 3 ft late. N of 27N, seas 3 to 5 ft. .TUE...NE to E winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 5 to 7 ft N of 27N. .TUE NIGHT...NE to E winds 20 to 30 kt. Seas 4 to 6 ft S of 27N, and 6 to 9 ft N of 27N. .WED...NE to E winds 20 to 30 kt. Seas 4 to 6 ft S of 27N, and 6 to 9 ft N of 27N. .WED NIGHT...NE to E winds 20 to 30 kt. Seas 5 to 7 ft S of 27N, and 8 to 11 ft N of 27N. .THU...NE to E winds 20 to 30 kt. Seas 5 to 7 ft S of 27N, and 8 to 11 ft N of 27N. .THU NIGHT...NE to E winds 20 to 25 kt. Seas 4 to 6 ft S of 27N, and 7 to 10 ft N of 27N. .FRI...NE to E winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 7 to 10 ft N of 27N. .FRI NIGHT...NE to E winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 7 to 10 ft N of 27N. .SAT...NE winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 7 to 10 ft N of 27N. .SAT NIGHT...NE winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 6 to 9 ft N of 27N.