000 FZNT24 KNHC 200300 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1000 PM EST Wed Dec 19 2018 Offshore Waters Forecast 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. GMZ001-201500- Synopsis for the Gulf of Mexico 1000 PM EST Wed Dec 19 2018 .SYNOPSIS...A strong cold front preceded by lines of strong thunderstorms will move E across the central gulf waters overnight and through the eastern waters on Thu and Fri. Strong to near gale force southerly winds will develop over the eastern waters overnight ahead of the front. Strong to near gale force westerly winds currently developing W of the front will increase to gale force on Thu, with seas building to 21 ft across the east- central waters on Thu night and Fri. A post-frontal surface high will shift E across the central gulf waters on Sat, and move NE across the Florida Panhandle on Sun leaving a weak ridge from the Florida Big Bend to SE Texas on Mon. $$ GMZ011-201500- NW Gulf including Stetson Bank- 1000 PM EST Wed Dec 19 2018 ...GALE WARNING... .OVERNIGHT...W to NW winds 5 to 10 kt, increasing to 15 to 20 kt late. Seas 3 ft or less. .THU...NW winds 20 to 30 kt, increasing to 30 to 35 kt late in the afternoon. Seas 2 to 4 ft, building to 9 to 13 ft in NW swell. Scattered showers and isolated thunderstorms. .THU NIGHT...NW to N winds 25 to 35 kt. Seas 10 to 15 ft in NW to N swell. .FRI...NW to N winds 20 to 30 kt, shifting to NW 15 to 20 kt late in the afternoon. Seas 8 to 12 ft in NW to N swell, subsiding to 6 to 8 ft in NW to N swell late in the afternoon. .FRI NIGHT...W to NW winds 5 to 10 kt, shifting to S to SW 10 to 15 kt late. Seas 2 to 4 ft. .SAT...S winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds less than 5 kt. Seas 3 ft or less. .MON...E winds 5 to 10 kt. Seas 3 ft or less. .MON NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ013-201500- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1000 PM EST Wed Dec 19 2018 ...GALE WARNING... .OVERNIGHT...SW to W winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .THU...W to NW winds 25 to 35 kt. Seas 4 to 6 ft, building to 8 to 12 ft in W swell in the afternoon. Scattered showers and isolated thunderstorms. .THU NIGHT...NW winds 30 to 40 kt. Seas 12 to 19 ft in W to NW swell. Scattered showers and isolated thunderstorms. .FRI...NW winds 25 to 35 kt W of 90W, and W to NW 25 to 35 kt elsewhere. Seas 13 to 20 ft in W to NW swell. .FRI NIGHT...W to NW winds 20 to 25 kt. Seas 6 to 9 ft in W to NW swell. .SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. .SUN...SE to S winds 5 to 10 kt. Seas 3 ft or less. .SUN NIGHT...E to SE winds less than 5 kt. Seas 3 ft or less. .MON...NE to E winds 5 to 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ015-201500- NE Gulf N of 25N E of 87W- 1000 PM EST Wed Dec 19 2018 ...GALE WARNING... .OVERNIGHT...SE to S winds 20 to 25 kt. Seas 3 to 5 ft, building to 6 to 8 ft late. Scattered thunderstorms. .THU...SW winds 20 to 30 kt S of 27N, and SW 20 to 25 kt elsewhere. Seas 7 to 11 ft in S to SW swell. Scattered thunderstorms. .THU NIGHT...W winds 25 to 35 kt. Seas 10 to 15 ft in SW swell, building to 13 to 20 ft in SW to W swell late. Scattered showers and isolated thunderstorms. .FRI...W to NW winds 30 to 35 kt. Seas 14 to 21 ft in W swell. Scattered showers and isolated thunderstorms. .FRI NIGHT...W to NW winds 25 to 30 kt, becoming NW 15 to 20 kt late. Seas 11 to 17 ft in W swell, subsiding to 9 to 13 ft in W swell late. .SAT...NW winds 10 to 15 kt. Seas 6 to 9 ft in W swell. .SAT NIGHT...N winds 5 to 10 kt, shifting to NE to E late. Seas 3 to 5 ft in W swell. .SUN...E winds 5 to 10 kt. Seas 2 to 4 ft, subsiding to 3 ft or less in the afternoon. .SUN NIGHT...NE to E winds 5 to 10 kt. Seas 3 ft or less. .MON...NE to E winds 5 to 10 kt. Seas 3 ft or less. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ017-201500- W Central Gulf from 22N to 26N W of 94W- 1000 PM EST Wed Dec 19 2018 ...GALE WARNING... .OVERNIGHT...NW winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .THU...NW winds 25 to 35 kt. Seas 2 to 4 ft, building to 8 to 12 ft in NW to N swell. .THU NIGHT...NW to N winds 20 to 30 kt. Seas 10 to 15 ft in N swell. .FRI...NW to N winds 20 to 25 kt, diminishing to 10 to 15 kt late in the afternoon. Seas 8 to 12 ft in N swell. .FRI NIGHT...N to NE winds 5 to 10 kt, shifting to S 10 to 15 kt late. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E to SE winds 5 to 10 kt. Seas 3 ft or less. .MON...E winds 5 to 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ019-201500- Central Gulf from 22N to 26N between 87W and 94W- 1000 PM EST Wed Dec 19 2018 ...GALE WARNING... .OVERNIGHT...SW winds 20 to 25 kt S of 24N, and SW to W 15 to 20 kt elsewhere. Seas 3 to 5 ft, building to 5 to 7 ft late. Scattered showers and isolated thunderstorms. .THU...S of 24N, W to NW winds 20 to 30 kt. Elsewhere, W winds 20 to 30 kt, becoming W to NW 30 to 40 kt late in the afternoon. Seas 6 to 9 ft in W swell, building to 9 to 13 ft in W to NW swell late in the afternoon. Scattered showers and isolated thunderstorms. .THU NIGHT...NW winds 25 to 35 kt. Seas 12 to 18 ft in NW swell. .FRI...NW winds 25 to 35 kt. Seas 12 to 19 ft in NW swell. .FRI NIGHT...NW winds 20 to 25 kt, diminishing to 10 to 15 kt late. Seas 7 to 11 ft in NW swell. .SAT...W to NW winds 5 to 10 kt, shifting to E to SE in the afternoon. Seas 4 to 6 ft in NW to N swell. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E to SE winds 10 kt. Seas 3 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .MON...NE to E winds 10 to 15 kt. Seas 3 ft or less. .MON NIGHT...E winds 15 kt. Seas 2 to 4 ft. $$ GMZ021-201500- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1000 PM EST Wed Dec 19 2018 ...GALE WARNING... .OVERNIGHT...S winds 20 to 25 kt. Seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .THU...SW winds 20 to 30 kt. Seas 7 to 11 ft in SW swell. Scattered showers and isolated thunderstorms. .THU NIGHT...W winds 25 to 35 kt. Seas 9 to 14 ft in SW to W swell, building to 12 to 19 ft in W swell late. Scattered showers and isolated thunderstorms. .FRI...W to NW winds 25 to 35 kt. Seas 13 to 20 ft in W to NW swell. .FRI NIGHT...W to NW winds 20 to 25 kt. Seas 10 to 16 ft in W to NW swell. .SAT...NW to N winds 10 to 15 kt. Seas 7 to 10 ft in NW swell. .SAT NIGHT...NE winds 10 kt. Seas 4 to 6 ft in NW swell. .SUN...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. $$ GMZ023-201500- SW Gulf S of 22N W of 94W- 1000 PM EST Wed Dec 19 2018 .OVERNIGHT...NW winds 10 to 15 kt. Seas 3 ft or less. .THU...NW to N winds 20 to 25 kt. Seas 3 ft or less, building to 5 to 7 ft in the afternoon. .THU NIGHT...NW to N winds 20 to 25 kt. Seas 7 to 11 ft in N swell. .FRI...NW to N winds 15 to 20 kt. Seas 8 to 12 ft in N swell. .FRI NIGHT...NE winds 5 to 10 kt, shifting to SE late. Seas 6 to 8 ft in N swell. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 3 ft or less. .SUN NIGHT...E winds 5 to 10 kt. Seas 3 ft or less. .MON...NE winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ025-201500- E Bay of Campeche including Campeche Bank- 1000 PM EST Wed Dec 19 2018 .OVERNIGHT...Within 60 nm of coast of Campeche, NW to N winds less than 5 kt, shifting to S to SW late. Elsewhere, SW winds 15 to 20 kt. Seas 2 to 4 ft. .THU...NW winds 20 to 25 kt. Seas 3 to 5 ft, building to 5 to 7 ft late in the afternoon. Scattered showers and isolated thunderstorms. .THU NIGHT...NW to N winds 20 to 30 kt. Seas 8 to 12 ft in NW to N swell. .FRI...NW winds 20 to 25 kt. Seas 9 to 13 ft in NW to N swell. .FRI NIGHT...NW to N winds 10 to 15 kt, becoming N to NE less than 5 kt late. Seas 6 to 8 ft in NW to N swell. .SAT...E winds 5 to 10 kt. Seas 3 to 5 ft in NW to N swell. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. .MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. $$ Forecaster Nelson