713 FZNT24 KNHC 212052 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 452 PM EDT Mon Aug 21 2023 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. GMZ001-220900- Synopsis for the Gulf of Mexico 452 PM EDT Mon Aug 21 2023 .SYNOPSIS...Tropical Depression Nine is near 25.2N 91.6W at 5 PM EDT, and is moving west at 16 kt. Maximum sustained winds are 30 kt with gusts to 40 kt, and the minimum central pressure is 1008 mb. Tropical Depression Nine will strengthen to a tropical storm near 25.8N 94.9W late tonight with maximum sustained winds 40 kt with gusts 50 kt, then move inland near 26.8N 98.4W Tue afternoon, become a remnant low well inland near 28.1N 101.8W by late Tue night and dissipate Wed afternoon. Expect numerous showers and thunderstorms with strong gusty winds well in advance of this system. Conditions will gradually improve in the wake of Tropical Cyclone Nine as high pressure builds in over the area. $$ GMZ040-220900- NW Gulf including Stetson Bank- 452 PM EDT Mon Aug 21 2023 ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE to E winds 20 to 25 kt, increasing to 35 to 40 kt late. Seas 6 to 9 ft, building to 10 to 16 ft late. Numerous squalls and thunderstorms. .TUE...TROPICAL STORM CONDITIONS EXPECTED. E to SE winds 35 to 40 kt, diminishing to 15 to 20 kt in the afternoon. Seas 10 to 17 ft, subsiding to 7 to 10 ft in E swell. Numerous squalls and thunderstorms. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in E swell. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU...NE winds 10 kt. Seas 2 to 4 ft. .THU NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .FRI...Variable winds less than 5 kt, becoming NE 10 kt in the afternoon. Seas 3 ft or less. .FRI NIGHT...Variable winds less than 5 kt, becoming S 10 kt late. Seas 3 ft or less. .SAT...Variable winds less than 5 kt, becoming NW to N 10 kt in the afternoon. Seas 3 ft or less. $$ GMZ041-220900- SW Louisiana Offshore Waters including Flower Garden Bank Marine Sanctuary- 452 PM EDT Mon Aug 21 2023 ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 92W, E winds 30 to 35 kt. Seas 9 to 14 ft. E of 92W, E to SE winds 25 to 30 kt, diminishing to 20 kt late. Seas 8 to 12 ft, subsiding to 7 to 10 ft in E swell. Scattered showers and isolated thunderstorms. .TUE...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in E swell. Scattered showers and isolated thunderstorms. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .FRI...NE winds 10 kt. Seas 3 ft or less. .FRI NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .SAT...NE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ056-220900- N Central Gulf Offshore Waters- 452 PM EDT Mon Aug 21 2023 .TONIGHT...E to SE winds 20 to 25 kt. Seas 6 to 9 ft in E to SE swell. .TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ057-220900- NE Gulf N of 26N E of 87W- 452 PM EDT Mon Aug 21 2023 .TONIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .TUE...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU...NE to E winds 10 to 15 kt. Seas 3 ft or less. .THU NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. .FRI...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ058-220900- W Central Gulf from 22N to 26N W of 94W- 452 PM EDT Mon Aug 21 2023 .TONIGHT...W of 96W, N 10 kt late. N to NE winds 15 to 20 kt. E of 96W, SE to S 25 to 30 kt late. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .TUE...S to SW winds 15 to 20 kt, shifting to E in the afternoon. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .WED...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 kt. Seas 2 to 4 ft. .FRI NIGHT...NE to E winds 10 kt. Seas 2 to 4 ft. .SAT...N winds 10 kt. Seas 3 ft or less. $$ GMZ045-220900- W Central Gulf from 22N to 26N between 91W and 94W- 452 PM EDT Mon Aug 21 2023 .TONIGHT...E to SE winds 15 to 20 kt S of 24N, and E to SE 20 to 25 kt N of 24N. Seas 3 to 5 ft. Scattered to numerous showers and thunderstorms. .TUE...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered to numerous showers and thunderstorms. .TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and thunderstorms. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .THU...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ046-220900- Central Gulf from 22N to 26N between 87W and 91W- 452 PM EDT Mon Aug 21 2023 .TONIGHT...E winds 20 to 25 kt. Seas 4 to 6 ft. .TUE...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .TUE NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .WED...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .THU...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ047-220900- SE Gulf from 22N to 26N E of 87W including Straits of Florida- 452 PM EDT Mon Aug 21 2023 .TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .TUE...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .TUE NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .WED...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .THU...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .FRI...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ048-220900- SW Gulf S of 22N W of 94W- 452 PM EDT Mon Aug 21 2023 .TONIGHT...NW to N winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .TUE...NW to N winds 10 kt. Seas 3 ft or less. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .WED...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .THU...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds 15 to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...NW to N winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ049-220900- Central Bay of Campeche- 452 PM EDT Mon Aug 21 2023 .TONIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. .TUE...SE winds 10 kt, shifting to NE to E in the afternoon. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .WED...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .THU...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N to NE winds 10 kt. Seas 2 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...N winds 10 kt. Seas 3 ft or less. $$ GMZ050-220900- E Bay of Campeche including Campeche Bank- 452 PM EDT Mon Aug 21 2023 .TONIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .TUE...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .WED...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NE to E winds 10 kt. Seas 3 to 4 ft. .SAT...NW to N winds 10 kt. Seas 3 to 4 ft. $$ Forecaster Aguirre