000 FZNT24 KNHC 200803 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 303 AM EST Thu Dec 20 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. GMZ001-202015- Synopsis for the Gulf of Mexico 303 AM EST Thu Dec 20 2018 .SYNOPSIS...A strong cold front preceded by lines of strong thunderstorms will move E across the central and eastern Gulf through Fri. Strong to near gale force southerly winds will develop ahead of the front today, followed by gale force westerly winds west of the front, with seas building to 20-21 ft across east-central waters tonight and Fri. High pres will shift eastward across the central gulf on Sat, then move into the Florida Panhandle on Sun. $$ GMZ011-202015- NW Gulf including Stetson Bank- 303 AM EST Thu Dec 20 2018 ...GALE WARNING... .TODAY...NW winds 20 to 30 kt, increasing to 30 to 35 kt in the afternoon. Seas 3 to 5 ft, building to 9 to 14 ft in NW swell. Scattered showers. .TONIGHT...NW winds 25 to 35 kt. Seas 10 to 16 ft in NW to N swell. .FRI...NW to N winds 20 to 30 kt, shifting to NW 15 to 20 kt late in the afternoon. Seas 9 to 13 ft, subsiding to 7 to 10 ft in NW to N swell late in the afternoon. .FRI NIGHT...W to NW winds 10 to 15 kt, shifting to S to SW late. Seas 5 to 7 ft in N swell, subsiding to 2 to 4 ft late. .SAT...S winds 15 to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 15 to 20 kt. Seas 2 to 4 ft. .SUN...S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. .MON...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ013-202015- N Central Gulf including Flower Garden Banks Marine Sanctuary- 303 AM EST Thu Dec 20 2018 ...GALE WARNING... .TODAY...W to NW winds 25 to 35 kt W of 90W, and W 20 to 30 kt elsewhere. Seas 5 to 7 ft, building to 9 to 14 ft in W swell. Scattered showers. .TONIGHT...NW winds 25 to 35 kt. Seas 12 to 19 ft in W to NW swell. Scattered showers. .FRI...NW winds 25 to 35 kt W of 90W, and W to NW 25 to 35 kt elsewhere. Seas 14 to 21 ft in W to NW swell. .FRI NIGHT...NW winds 20 to 30 kt, shifting to W to NW 15 to 20 kt late. Seas 11 to 17 ft, subsiding to 7 to 11 ft in W to NW swell late. .SAT...SW to W winds 10 to 15 kt, shifting to SE to S in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...S winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt. Seas 3 ft or less. .MON...SE winds 10 to 15 kt. Seas 3 ft or less. .MON NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ015-202015- NE Gulf N of 25N E of 87W- 303 AM EST Thu Dec 20 2018 ...GALE WARNING... .TODAY...SW winds 25 to 30 kt. Seas 7 to 11 ft in S swell. Numerous showers and scattered thunderstorms. .TONIGHT...W winds 25 to 35 kt. Seas 10 to 15 ft, building to 13 to 20 ft in SW to W swell late. Scattered showers. .FRI...W winds 30 to 35 kt. Seas 14 to 21 ft in W swell. Scattered showers. .FRI NIGHT...W to NW winds 25 to 35 kt, shifting to NW 20 to 25 kt late. Seas 13 to 20 ft in W swell. .SAT...NW winds 15 to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas 6 to 9 ft in W swell. .SAT NIGHT...NE to E winds 5 to 10 kt. Seas 3 to 5 ft in W swell. .SUN...E winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. .MON...E winds 10 to 15 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ017-202015- W Central Gulf from 22N to 26N W of 94W- 303 AM EST Thu Dec 20 2018 ...GALE WARNING... .TODAY...NW to N winds 20 to 25 kt W of 96W, and NW 25 to 35 kt elsewhere. Seas 2 to 4 ft, building to 9 to 13 ft in NW swell. .TONIGHT...NW to N winds 20 to 30 kt W of 96W, and NW to N 25 to 35 kt elsewhere. Seas 10 to 16 ft in N swell. .FRI...NW to N winds 20 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 9 to 13 ft in N swell. .FRI NIGHT...N to NE winds 10 to 15 kt, shifting to SE to S late. Seas 6 to 9 ft in N to NE swell, subsiding to 4 to 6 ft late. .SAT...S winds 15 to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...SE to S winds 15 to 20 kt. Seas 2 to 4 ft. .SUN...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. .MON...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ019-202015- Central Gulf from 22N to 26N between 87W and 94W- 303 AM EST Thu Dec 20 2018 ...GALE WARNING... .TODAY...W to NW winds 25 to 35 kt. Seas 6 to 9 ft, building to 9 to 13 ft in W to NW swell in the afternoon. Scattered showers. .TONIGHT...W to NW winds 25 to 35 kt. Seas 12 to 18 ft in NW swell. .FRI...NW winds 25 to 35 kt. Seas 13 to 20 ft in NW swell. .FRI NIGHT...NW winds 20 to 30 kt, diminishing to 15 to 20 kt late. Seas 10 to 16 ft in NW swell, subsiding to 8 to 12 ft late. .SAT...E winds 5 to 10 kt. Seas 4 to 6 ft in NW to N swell. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E to SE winds 10 to 15 kt. Seas 3 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...E winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ021-202015- E Gulf from 22N to 25N E of 87W including Straits of Florida- 303 AM EST Thu Dec 20 2018 ...GALE WARNING... .TODAY...SW winds 20 to 30 kt. Seas 8 to 12 ft in S to SW swell. Scattered showers and isolated thunderstorms. .TONIGHT...W winds 25 to 35 kt. Seas 10 to 15 ft in SW to W swell, building to 12 to 19 ft late. Scattered showers. .FRI...W winds 25 to 35 kt. Seas 13 to 20 ft in W to NW swell. .FRI NIGHT...W to NW winds 20 to 30 kt, shifting to NW 15 to 20 kt early in the morning. Seas 12 to 18 ft in W to NW swell. .SAT...N winds 10 to 15 kt. Seas 7 to 11 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 15 kt. Seas 2 to 4 ft. .MON...E winds 15 to 20 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 15 kt. Seas 3 to 5 ft. $$ GMZ023-202015- SW Gulf S of 22N W of 94W- 303 AM EST Thu Dec 20 2018 .TODAY...NW to N winds 20 to 25 kt. Seas 2 to 4 ft, building to 6 to 9 ft. .TONIGHT...NW to N winds 20 to 25 kt. Seas 7 to 11 ft in N swell. .FRI...NW to N winds 20 to 25 kt, becoming N 10 to 15 kt late in the afternoon. Seas 8 to 12 ft in N swell. .FRI NIGHT...E winds 5 to 10 kt. Seas 6 to 9 ft in N swell. .SAT...SE winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .MON...E to SE winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ025-202015- E Bay of Campeche including Campeche Bank- 303 AM EST Thu Dec 20 2018 .TODAY...Within 60 nm of coast of Campeche, SW winds 5 to 10 kt, becoming W to NW 15 to 20 kt late. Elsewhere, W to NW winds 20 to 25 kt. Seas 3 to 5 ft, building to 6 to 8 ft in the afternoon. Scattered showers. .TONIGHT...NW to N winds 20 to 30 kt. Seas 9 to 13 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 15 to 20 kt, becoming N to NE 5 to 10 kt late. Seas 7 to 10 ft in NW to N swell. .SAT...E winds 5 to 10 kt. Seas 4 to 6 ft in NW to N swell. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E 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...E winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. $$ Forecaster Mundell