000 FZNT25 KNHC 180230 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 930 PM EST Tue Dec 17 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 strong cold front extends from Apalachicola, Florida to 25N90W and to inland Mexico at 18N94W. A squall line consisting of numerous showers and thunderstorms is just ahead of the front. The squall line will continue racing east-southeast across the rest of the eastern Gulf through late tonight. The front will move southeast across the Gulf and extend from Tampa Bay Florida to central Yucatan tonight, before moving southeast of the area Wed. Northerly gale force winds and very large seas will prevail behind the front, mainly W of 90W, through late Wed. Winds and seas will diminish over the central and western Gulf Thu and Thu night. Strong NE to E winds will continue over the Straits of Florida after the frontal passage Thu through Fri night. Low pressure may develop over the eastern Gulf Fri night and move across Florida this weekend. .OVERNIGHT...SW winds 10 to 15 kt, becoming NW 15 to 20 kt late. Seas 4 to 6 ft. Scattered showers and thunderstorms S part. .WED...N winds 20 to 25 kt. Seas 8 to 11 ft. Scattered showers and isolated thunderstorms early. .WED NIGHT...N to NE winds 20 to 25 kt. Seas 8 to 12 ft. .THU...NE winds 20 to 25 kt. Seas 8 to 10 ft. .THU NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 8 ft. .FRI...NE to E winds 20 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 20 to 25 kt. Seas 6 to 8 ft. .SAT...SE winds 20 to 30 kt. Seas 6 to 9 ft. .SAT NIGHT...SW to W winds 20 to 25 kt. Seas 6 to 9 ft. .SUN...W to NW winds 20 to 25 kt. Seas 8 to 10 ft. .SUN NIGHT...W to NW winds 20 to 30 kt. Seas 8 to 13 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...High pressure over the area will continue to slide eastward through Wed in response to a strong cold front currently over the southeastern U.S. This cold front will move off the southeastern U.S. coast late tonight, reach from near 31N70W to western Cuba on Wed night, and then from 27N65W across the central Bahamas to central Cuba on Thu night. Strong north to northeast winds and building seas are expected across much of the forecast waters following frontal passage. The front will gradually stall over the central waters Fri and Fri night. Looking ahead, fresh to strong easterly winds may persist Sat across much of the western part of the area and NW Bahamas to northeast Florida as low pressure develops in the Gulf of Mexico and tracks in a general east to northeast direction. Exact timing and location of this low remains uncertain. ...GALE CONDITIONS POSSIBLE N OF 28N SAT NIGHT AND SUN... .OVERNIGHT...SE to S winds 10 to 15 kt S of 27N, and S to SW 15 to 20 kt N of 27N. Seas 3 to 5 ft S of 27N, and 5 to 7 ft N of 27N. Scattered showers and thunderstorms. .WED...S of 27N,S winds 5 to 10 kt, shifting to SW to W in the afternoon. N of 27N,SW to W winds 15 to 20 kt, becoming NW 20 to 25 kt in the afternoon. Seas 4 to 6 ft S of 27N, and 6 to 8 ft N of 27N. Scattered showers and isolated thunderstorms. .WED NIGHT...N winds 15 to 20 kt S of 27N, and N to NE 20 to 25 kt N of 27N. Seas 5 to 7 ft S of 27N, and 7 to 10 ft N of 27N. .THU...NE winds 20 to 25 kt. Seas 6 to 9 ft S of 27N, and 8 to 11 ft N of 27N. Scattered showers and isolated thunderstorms. .THU NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft. .FRI...NE to E winds 20 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft. .SAT...E winds 20 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...E to SE winds 25 to 30 kt, except with frequent gusts to 35 kt N of 28N. Seas 8 to 12 ft. .SUN...S to SW winds 20 to 30 kt, except N of 28N E to SE 25 to 35 kt. Seas 8 to 12 ft, except N of 28N 9 to 14 ft. .SUN NIGHT...E winds 25 to 30 kt becoming W to NW 20 to 25 kt late, except E 30 to 35 kt N of 29N E of 79W diminishing to 20 to 25 kt late. Seas 10 to 16 ft.