000 FZNT24 KNHC 172354 AAA OFFNT4 Offshore Waters Forecast for the Gulf of Mexico...Updated NWS National Hurricane Center Miami, FL 754 PM EDT Thu Sep 17 2020 Updated to include newly formed Tropical Depression Twenty-Two 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. GMZ001-181200- Synopsis for the Gulf of Mexico 754 PM EDT Thu Sep 17 2020 .SYNOPSIS...Newly formed Tropical Depression Twenty-Two near 21.9N 94.3W 1005 mb at 7 PM EDT moving NE at 4 kt. Maximum sustained winds 30 kt gusts 40 kt. Tropical Depression Twenty-Two will move to near 22.7N 94.0W late tonight, then strengthen to a tropical storm near 23.8N 93.5W Fri afternoon with maximum sustained winds 35 kt gusts 45 kt, move to near 24.8N 93.0W late Fri night, to near 25.4N 92.9W Sat with maximum sustained 55 kt gusts 65 kt, to near 25.8N 93.1W late Sat night with maximum sustained winds 60 kt gusts 75 kt and maintain intensity as it nears 26.1N 93.8W Sun afternoon. Tropical Storm Twenty-Two will begin to weaken as it reaches near 26.1N 95.1W Mon afternoon and to near 25.6N 96.1W Tue afternoon. A weak front will move into the northern Gulf on Fri and reach the eastern Gulf by the weekend and become stationary. A tightening gradient is expected to lead to fresh to strong northeast to east winds and building seas over most of the central and western Gulf into early next week. $$ GMZ011-181200- NW Gulf including Stetson Bank- 754 PM EDT Thu Sep 17 2020 ...TROPICAL STORM WARNING... .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .FRI...NE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .SAT...NE winds 20 to 25 kt. Seas 5 to 7 ft, building to 7 to 10 ft in the afternoon. Scattered showers and isolated thunderstorms. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 30 to 40 kt. Seas 9 to 14 ft. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...E to SE winds 30 to 35 kt, becoming SE 20 to 25 kt in the afternoon. Seas 10 to 16 ft, subsiding to 8 to 11 ft in the afternoon. $$ GMZ013-181200- N Central Gulf including Flower Garden Banks Marine Sanctuary- 754 PM EDT Thu Sep 17 2020 ...TROPICAL STORM WARNING... .TONIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .FRI...W of 90W, NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Elsewhere, SW to W winds 10 kt, shifting to NE to E in the afternoon. Seas 3 to 4 ft. Scattered showers and thunderstorms. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and thunderstorms. .SAT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt W of 90W, and E 15 to 20 kt elsewhere. W of 90W, seas 6 to 8 ft, building to 9 to 13 ft in the afternoon. Elsewhere, seas 2 to 4 ft. Numerous squalls and thunderstorms. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 90W, E winds 35 to 45 kt. Seas 11 to 17 ft. Elsewhere, E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...E winds 20 to 25 kt. Seas 7 to 10 ft. .TUE...E to SE winds 20 to 25 kt. Seas 7 to 10 ft. $$ GMZ015-181200- NE Gulf N of 25N E of 87W- 754 PM EDT Thu Sep 17 2020 .TONIGHT...SW to W winds 15 to 20 kt. Seas 3 to 5 ft. Isolated showers and thunderstorms. .FRI...W winds 10 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .FRI NIGHT...NW to N winds 10 to 15 kt, shifting to NE late. Seas 3 ft or less. Isolated showers and thunderstorms. .SAT...E winds 10 to 15 kt. Seas 3 ft or less. Isolated showers and thunderstorms. .SAT NIGHT...NE winds 10 to 15 kt S of 27N, and NE to E 20 to 25 kt elsewhere. Seas 3 ft or less, building to 3 to 5 ft late. Scattered showers and isolated thunderstorms. .SUN...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft. .MON...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft. .TUE...E winds 15 to 20 kt. Seas 6 to 8 ft. $$ GMZ017-181200- W Central Gulf from 22N to 26N W of 94W- 754 PM EDT Thu Sep 17 2020 ...TROPICAL STORM WARNING... .TONIGHT...NE winds 15 to 20 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. N winds 20 to 25 kt W of 96W, and N to NE 30 to 35 kt E of 96W. Seas 6 to 8 ft W of 96W, and 8 to 12 ft E of 96W. Scattered showers and isolated thunderstorms. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NW to N winds 20 to 25 kt. Seas 6 to 9 ft. Scattered showers and isolated thunderstorms. .SAT...NW to N winds 20 to 25 kt. Seas 6 to 9 ft. Scattered showers and isolated thunderstorms. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N winds 25 to 30 kt W of 96W, and N 30 to 40 kt elsewhere. Seas 7 to 10 ft. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...SW to W winds 30 to 35 kt, diminishing to 20 to 25 kt in the afternoon. Seas 6 to 8 ft. $$ GMZ019-181200- Central Gulf from 22N to 26N between 87W and 94W- 754 PM EDT Thu Sep 17 2020 ...TROPICAL STORM WARNING... .TONIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .FRI...TROPICAL STORM CONDITIONS POSSIBLE W OF 92W. SE to S winds 25 to 35 kt. Seas 6 to 8 ft. Between 92W and 90W, SE to S winds 20 to 25 kt. Seas 5 to 7 ft. E of 90W, E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and thunderstorms. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, SE to S winds 25 to 25 kt, becoming S 15 to 20 kt late. Seas 5 to 7 ft. Elsewhere, E to SE winds 30 to 35 kt. Seas 3 to 5 ft, building to 7 to 10 ft late. Scattered showers and isolated thunderstorms. .SAT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, S winds 15 to 20 kt. Seas 3 to 5 ft. Elsewhere, SE to S winds 30 to 40 kt. Seas 9 to 14 ft. Scattered to numerous showers and thunderstorms. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 24N, SE to S winds 15 to 20 kt. Seas 4 to 6 ft. Elsewhere, SE winds 35 to 45 kt. Seas 9 to 14 ft. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. .TUE...SE winds 15 to 20 kt. Seas 6 to 8 ft. $$ GMZ021-181200- E Gulf from 22N to 25N E of 87W including Straits of Florida- 754 PM EDT Thu Sep 17 2020 .TONIGHT...S winds 10 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .FRI...S winds 10 to 15 kt. Seas 3 ft or less. Isolated showers and thunderstorms. .FRI NIGHT...E winds 10 kt. Seas 3 ft or less. Isolated showers and thunderstorms. .SAT...E to SE winds 10 to 15 kt. Seas 3 ft or less. Isolated showers and thunderstorms. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. .SUN...NE to E winds 10 kt. Seas 3 ft or less. .SUN NIGHT...NE winds 10 to 15 kt Straits of Florida, and NE 15 to 20 kt elsewhere. Seas 3 to 5 ft. .MON...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. $$ GMZ023-181200- SW Gulf S of 22N W of 94W- 754 PM EDT Thu Sep 17 2020 .TONIGHT...W to NW winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .FRI...W to NW winds 20 to 25 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .FRI NIGHT...NW winds 20 to 25 kt. Seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .SAT...NW winds 20 to 25 kt. Seas 6 to 8 ft. Scattered showers and isolated thunderstorms. .SAT NIGHT...NW winds 20 to 25 kt. Seas 6 to 9 ft. .SUN...NW winds 20 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NW winds 15 to 20 kt. Seas 6 to 9 ft. .MON...W to NW winds 15 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...W winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ025-181200- E Bay of Campeche including Campeche Bank- 754 PM EDT Thu Sep 17 2020 .TONIGHT...NW to N winds 10 kt, shifting to SE to S late. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .FRI...S winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .FRI NIGHT...W winds 10 to 15 kt, shifting to S late. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .SAT...SW winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .SAT NIGHT...W winds 10 to 15 kt, shifting to S to SW 15 to 20 kt late. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .SUN...SW winds 15 to 20 kt. Seas 2 to 4 ft within 60 nm of coast of Campeche, and 5 to 7 ft elsewhere. .SUN NIGHT...W winds 10 to 15 kt, shifting to S to SW late. Seas 2 to 4 ft within 60 nm of coast of Campeche, and 5 to 7 ft elsewhere. .MON...S to SW winds 10 to 15 kt, shifting to SW to W in the afternoon. Seas 2 to 4 ft within 60 nm of coast of Campeche, and 5 to 7 ft elsewhere. .MON NIGHT...N winds 10 kt, shifting to SE to S late. Seas 4 to 6 ft. .TUE...S winds 10 kt, shifting to W in the afternoon. Seas 3 to 5 ft in NE swell. $$ Forecaster Aguirre