000 FZNT32 KNHC 162059 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 359 PM EST Mon Dec 16 2019 Marine Weather HF Voice Broadcast for the Gulf of Mexico Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Synopsis for the Gulf of Mexico .SYNOPSIS...Fresh to strong southerly return flow over the western Gulf will diminish early tonight as a strong cold front moves off the Texas coast. It will reach from the Florida Panhandle to the Bay of Campeche Tue afternoon, then move across the SE Gulf by Wed afternoon. Northerly gale force winds and building seas will follow in behind the front mainly W of 94W tonight in the NW Gulf, spreading southward and some possibly eastward as strong gale force winds through Wed. Winds and seas will diminish over the central and western Gulf Thu through Fri. Strong northeast to east winds will continue over the Straits of Florida after the frontal passage Thu through Sat morning. Another cold front will move across the western Gulf on Sat and Sat night. Gulf of Mexico N of 26N W of 87W ...GALE WARNING W OF 94W... .TONIGHT...Between 87W and 94W, S winds 10 to 15 kt, becoming SW 20 to 30 kt after midnight. Seas 6 to 8 ft W of 94W, SW winds 15 to 20 kt ,except becoming N 25 to 30 kt behind front late with frequent gusts. Seas 6 to 8 ft, except building to 9 to 13 ft behind front late. .TUE...N winds 20 to 30 kt. Seas 7 to 10 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 8 to 12 ft. .WED...N winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W ...GALE WARNING W OF 94W... .TONIGHT...SE winds 10 to 20 kt, except W of 96W S 10 kt becoming 25 to 30 kt late. Seas 5 to 7 ft, building to 6 to 8 ft late. .TUE...N winds 20 to 30 kt, except W of 96W 30 to 35 kt. Seas 9 to 13 ft, except 10 to 16 ft W of 96W. .TUE NIGHT...N winds 20 to 30 kt, except with frequent gusts to 35 kt early W of 94W. Seas 8 to 11 ft, except 10 to 16 ft W of 94W. .WED...N winds 15 to 25 kt. Seas 8 to 13 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. SW Gulf of Mexico S of 22N W of 87W ...GALE WARNING W OF 94W... .TONIGHT...Within 60 nm of coast of Veracruz, SE winds less than 10 kt, becoming NW 10 to 20 kt after midnight. Elsewhere, SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...S of 21N W of 95W, NW winds 20 to 30 kt, becoming NW to N 30 to 40 kt in the afternoon. Elsewhere W of 94W, NW to N winds 20 to 30 kt. Seas 3 to 5 ft, building to 8 to 12 ft. E of 94W, SE winds 10 to 15 kt, shifting to W in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft. Scattered showers and isolated thunderstorms. .TUE NIGHT...W of 94W, NW to N winds 30 to 40 kt. Seas 12 to 18 ft. E of 94W, N winds 25 to 30 kt, except within 60 nm of coast of Campeche NW to N winds 10 to 15 kt, becoming N 20 to 25 kt late. Seas 8 to 11 ft, building to 10 to 15 ft late. Scattered showers and isolated thunderstorms. .WED...NW winds 25 to 35 kt within 60 nm of coast of Veracruz, and N 20 to 30 kt elsewhere. Seas 12 to 18 ft within 60 nm of coast of Veracruz, and 9 to 14 ft elsewhere. .WED NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...NE winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. Gulf of Mexico E of 87W .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...S winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. .WED...N winds 15 to 25 kt. Seas 6 to 8 ft, building to 8 to 11 ft in the afternoon. .WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. .THU...NE winds 15 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt, becoming N less than 10 kt late. Seas 4 to 6 ft.