000 FZNT24 KNHC 202104 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 404 PM 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. GMZ001-210915- Synopsis for the Gulf of Mexico 404 PM EST Thu Dec 20 2018 .SYNOPSIS...A strong cold front will move E across the eastern gulf waters overnight preceded by lines of tstms and followed by large seas. Strong to gale force winds will spread E across the entire Gulf of Mexico overnight, then diminish from the W with the gale conditions diminishing across the Straits of Florida late Fri. Seas are forecast to subside to less than 8 ft by late Sat. High pres will shift eastward across the central gulf on Sat, then move across the Florida Panhandle on Sun leaving a ridge from the Florida Big Bend to Se Texas on Mon. Fresh return flow will set up across the NW waters on Tue. $$ GMZ011-210915- NW Gulf including Stetson Bank- 404 PM EST Thu Dec 20 2018 ...GALE WARNING... .TONIGHT...NW winds 25 to 35 kt. Seas 10 to 15 ft in NW to N swell. .FRI...NW to N winds 20 to 30 kt, shifting to NW 15 to 20 kt late in the afternoon. Seas 9 to 13 ft in NW to N swell, subsiding to 6 to 9 ft in NW to N swell late in the afternoon. .FRI NIGHT...W to NW winds 10 to 15 kt, shifting to S to SW late. Seas 4 to 6 ft. .SAT...S winds 15 to 20 kt. Seas 2 to 4 ft, building to 3 to 5 ft late in the afternoon. .SAT NIGHT...S winds 15 to 20 kt. Seas 2 to 4 ft. .SUN...S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt. Seas 3 ft or less. .MON...SE winds 5 to 10 kt. Seas 3 ft or less. .MON NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. $$ GMZ013-210915- N Central Gulf including Flower Garden Banks Marine Sanctuary- 404 PM EST Thu Dec 20 2018 ...GALE WARNING... .TONIGHT...NW winds 25 to 35 kt. Seas 12 to 18 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 10 to 16 ft in W to NW swell, subsiding to 7 to 11 ft in W to NW swell early in the morning. .SAT...W of 90W, S winds 10 to 15 kt. Elsewhere, N winds 10 to 15 kt, becoming E to SE less than 5 kt in the afternoon. Seas 6 to 8 ft, subsiding to 3 to 5 ft late in the afternoon. .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 5 to 10 kt. Seas 3 ft or less. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .TUE...E to SE winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. $$ GMZ015-210915- NE Gulf N of 25N E of 87W- 404 PM EST Thu Dec 20 2018 ...GALE WARNING... .TONIGHT...W winds 25 to 35 kt. Seas 9 to 14 ft in SW swell, building to 12 to 18 ft in SW to W swell late. Scattered showers. .FRI...W to NW winds 30 to 35 kt. Seas 14 to 21 ft in W swell. Scattered showers. .FRI NIGHT...W to NW winds 20 to 30 kt, shifting to NW 15 to 20 kt early in the morning. Seas 12 to 19 ft in W swell. .SAT...NW to N winds 15 to 20 kt, becoming N 5 to 10 kt late in the afternoon. Seas 8 to 12 ft in W swell, subsiding to 6 to 9 ft in W swell late in the afternoon. .SAT NIGHT...NE to E winds 5 to 10 kt. Seas 3 to 5 ft in W swell. .SUN...E winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 5 to 10 kt. Seas 3 ft or less. .MON...E winds 5 to 10 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .TUE...E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft. $$ GMZ017-210915- W Central Gulf from 22N to 26N W of 94W- 404 PM EST Thu Dec 20 2018 ...GALE WARNING... .TONIGHT...NW to N winds 20 to 30 kt. Seas 10 to 15 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 winds 10 to 15 kt, shifting to SE to S late. Seas 6 to 8 ft in N to NE swell. .SAT...SE to S winds 15 to 20 kt. Seas 3 to 5 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...E to SE winds 10 kt. Seas 3 ft or less. .MON...SE winds 5 to 10 kt. Seas 3 ft or less. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. .TUE...SE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. $$ GMZ019-210915- Central Gulf from 22N to 26N between 87W and 94W- 404 PM EST Thu Dec 20 2018 ...GALE WARNING... .TONIGHT...W to NW winds 25 to 35 kt. Seas 11 to 17 ft in NW swell. .FRI...NW winds 20 to 30 kt. Seas 13 to 20 ft in NW swell. .FRI NIGHT...NW winds 20 to 30 kt, diminishing to 15 to 20 kt late. Seas 10 to 16 ft in NW swell, subsiding to 8 to 12 ft in NW swell early in the morning. .SAT...NW to N winds 10 to 15 kt, shifting to E to SE 5 to 10 kt in the late morning and afternoon. Seas 6 to 9 ft in NW to N swell. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E to SE winds 10 to 15 kt. Seas 3 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .MON...E winds 10 to 15 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. $$ GMZ021-210915- E Gulf from 22N to 25N E of 87W including Straits of Florida- 404 PM EST Thu Dec 20 2018 ...GALE WARNING... .TONIGHT...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. .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 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 9 to 13 ft in W to NW swell, subsiding to 6 to 9 ft in W to NW swell late in the afternoon. .SAT NIGHT...NE to E winds 10 kt. Seas 4 to 6 ft in W to 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 kt. Seas 2 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. $$ GMZ023-210915- SW Gulf S of 22N W of 94W- 404 PM EST Thu Dec 20 2018 .TONIGHT...NW to N winds 20 to 30 kt. Seas 7 to 11 ft in N swell. .FRI...NW to N winds 20 to 25 kt, becoming N 10 to 15 kt late in the afternoon. Seas 8 to 12 ft in N swell. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 9 ft in N swell. .SAT...SE winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .MON...NE to E winds 10 to 15 kt. Seas 3 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .TUE...E to SE winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ025-210915- E Bay of Campeche including Campeche Bank- 404 PM EST Thu Dec 20 2018 .TONIGHT...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...N to NE winds 10 to 15 kt. 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 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 10 to 15 kt. Seas 2 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 2 to 4 ft, subsiding to 3 ft or less in the afternoon. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft or less, building to 2 to 4 ft late. $$ Forecaster Nelson