000 FZNT25 KNHC 192103 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 503 PM EDT Fri Apr 19 2019 ...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...A very vigorous cold front, for this time of year, extends from the Florida Big Bend south-southwest to the Yucatan Peninsula. Numerous showers and thunderstorms, some severe, are associated with the front. The pressure gradient between the front and the Bermuda High is causing SW winds up to gale force E of the front through this evening. Additionally, the strong pressure gradient behind the front is anticipated to produce NW winds up to gale force through this evening. The cold front will exit the Gulf tonight and winds will quickly subside on Sat. Weak high pressure will subsequently build in over the Gulf promoting quiescent conditions Sun through Wed. .TONIGHT...W of front, W to NW winds 25 to 35 kt, diminishing to 20 to 30 kt late. E of front, SW winds 25 to 35 kt. Seas 8 to 12 ft in S to SW swell. Numerous showers and scattered thunderstorms, some may be severe. .SAT...W to NW winds 15 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 15 to 20 kt. Seas 5 to 7 ft. .SUN...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft. .TUE...NE to E winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft. .WED...E winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. Within 200 nm east of the coast of Florida .SYNOPSIS...A large pressure gradient between the Bermuda High and a strong cold front, for this time of year, over the eastern Gulf of Mexico is causing S winds up to gale force north of the NW Bahamas tonight into Sat. The front will reach the Atlantic waters tonight and S winds up to gale force will push farther east on Sat and Sat night before diminishing below gale on Sun. Forcing behind front should produce substantially weaker W winds. The cold front should extend from 31N74W to the central Bahamas Sat afternoon, from 31N71W to the SE Bahamas Sun afternoon, and becoming stationary near the same location Mon afternoon, and finally dissipating Tue into Wed. Numerous showers and scattered strong thunderstorms will accompany the front. There is potential for severe thunderstorms associated with the front north of 27N tonight and Sat. ...GALE WARNING... .TONIGHT...SW winds 15 to 20 kt S of 27N, and SW 25 to 35 kt N of 27N. Seas 3 to 5 ft S of 27N, and 7 to 10 ft N of 27N. Winds becoming W to NW 20 to 25 kt behind front. Numerous showers and scattered thunderstorms, some may be severe. .SAT...W to NW winds 10 to 15 kt S of 27N, and SW to W 20 to 25 kt N of 27N. S of 27N, seas 3 ft in the morning, subsiding to 2 ft or less, then, building to 3 ft. N of 27N, seas 6 to 8 ft. Scattered showers and isolated thunderstorms. .SAT NIGHT...NW winds 10 to 15 kt S of 27N, and W 15 to 20 kt N of 27N. Seas 3 ft S of 27N, and 4 to 6 ft N of 27N. .SUN...N winds 10 to 15 kt S of 27N, and NW 10 to 15 kt N of 27N. S of 27N, seas 3 ft in the morning, subsiding to 2 ft or less. N of 27N, seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 2 ft or less S of 27N, and 3 to 5 ft N of 27N. .MON...N to NE winds 10 to 15 kt. S of 27N, seas 2 ft or less, building to 3 ft in the afternoon. N of 27N, seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE to E winds 10 to 15 kt. S of 27N, seas 3 ft in the morning, subsiding to 2 ft or less. N of 27N, seas 3 to 5 ft. .WED NIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less S of 27N, and 3 to 5 ft N of 27N.