000 FZNT25 KNHC 301522 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1122 AM EDT Sat Sep 30 2017 ...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...Broad troughing across the SW Gulf today will be reinforced by a trough shifting W across the Yucatan Peninsula through the weekend before moving into Mexico late Tue. Strong high pres will build in across the NE Gulf behind a frontal boundary Sun, which will stall across the central Gulf and gradually dissipate into early next week. The high will continue to build across the area through mid-week. .THIS AFTERNOON...E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft late. Scattered showers and isolated thunderstorms. .SUN...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .SUN NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .MON...E winds 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE to E winds 20 to 25 kt. Seas 5 to 7 ft. .TUE...NE to E winds 20 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft. .WED...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...A broad trough extending from Cape Canaveral area ENE across the Atlc will drift slowly N to along 29N through tonight before weakening and moving S again, just ahead of a frontal boundary sinking S into the northern portion early Sun. The front will move S through late Mon and gradually stall along about 27N then slowly dissipate through the early part of next week. Strong high pres will build S behind the front and quickly produce strong NE strong and build seas significantly. .THIS AFTERNOON...SE winds 10 to 15 kt S of 27N, and S 10 to 15 kt N of 27N. Seas 2 ft or less S of 27N, and 3 to 5 ft N of 27N. Scattered showers and isolated thunderstorms. .TONIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less S of 27N, and 4 to 6 ft N of 27N. Scattered showers and isolated thunderstorms. .SUN...E to SE winds 10 to 15 kt S of 27N, and NE to E 15 to 20 kt N of 27N. Seas 2 ft or less S of 27N, and 5 to 7 ft N of 27N. Scattered showers and isolated thunderstorms. .SUN NIGHT...NE to E winds 15 to 20 kt. S of 27N, seas 2 ft or less, building to 3 to 4 ft late. N of 27N, seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .MON...NE to E winds 20 to 25 kt. Seas 3 to 4 ft S of 27N, and 5 to 7 ft N of 27N. .MON NIGHT...NE to E winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 6 to 9 ft N of 27N. .TUE...NE to E winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 6 to 9 ft N of 27N. .TUE NIGHT...E winds 20 to 25 kt. Seas 4 to 6 ft S of 27N, and 7 to 10 ft N of 27N. .WED...E winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 6 to 9 ft N of 27N. .WED NIGHT...E winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 6 to 9 ft N of 27N.