000 FZNT24 KNHC 170307 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1107 PM EDT Mon Aug 16 2021 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. GMZ001-171515- Synopsis for the Gulf of Mexico 1107 PM EDT Mon Aug 16 2021 .SYNOPSIS...Tropical Storm Fred inland near 31.2N 85.2W will weaken to a tropical depression early on Tue. Fresh to strong southwest winds over the far northeast part of the NE Gulf will diminish early Tue. Tropical Depression Grace near 18.2N 73.8W 1006 mb at 11 PM EDT moving W at 13 kt. Maximum sustained winds 30 kt gusts 40 kt. Grace will strengthen to a tropical storm near 18.6N 75.7W Tue morning with maximum sustained winds 35 kt gusts 45 kt, move to near 19.1N 78.8W Tue evening, to near 19.7N 82.0W Wed morning with maximum sustained winds 45 kt gusts 55 kt, to near 20.3N 85.1W Wed evening with maximum sustained winds 50 kt gusts 60 kt and inland the northern Yucatan Peninsula near 21.0N 88.2W early Thu. Grace will strengthen as it reaches near 21.6N 91.3W Thu evening, then strengthen to a hurricane near 22.2N 95.9W Fri evening with maximum sustained winds 65 kt gusts 80 kt and move inland near 22.5N 100.0W by late Sat. Fresh to strong east winds on the northern periphery of Grace are expected over the southeastern Gulf waters from Tue night through Wed night, shifting westward across the central Gulf through Sat night. $$ GMZ011-171515- NW Gulf including Stetson Bank- 1107 PM EDT Mon Aug 16 2021 .OVERNIGHT...E to SE winds 10 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .TUE...SE winds 10 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. Isolated showers and thunderstorms. .WED...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...E to SE winds 15 to 20 kt. Seas 7 to 10 ft in E to SE swell. .FRI NIGHT...SE winds 15 to 20 kt. Seas 7 to 11 ft in SE swell. .SAT...SE winds 15 to 20 kt. Seas 7 to 10 ft in SE swell. .SAT NIGHT...E to SE winds 15 kt. Seas 6 to 8 ft in SE swell. $$ GMZ013-171515- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1107 PM EDT Mon Aug 16 2021 .OVERNIGHT...NE winds 10 kt, shifting to S late. Seas 5 to 7 ft in NE to E swell. .TUE...W of 90W, variable winds less than 5 kt, becoming SE 10 kt early in the afternoon. Elsewhere, SW winds 10 kt early in the morning, becoming variable less than 5 kt. Seas 3 to 5 ft. .TUE NIGHT...SE to S winds 10 kt. Seas 3 ft or less. .WED...SE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less, building to 2 to 4 ft late. .THU...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 15 to 20 kt. Seas 6 to 8 ft. .FRI...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in SE swell. .FRI NIGHT...SE winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. $$ GMZ015-171515- NE Gulf N of 25N E of 87W- 1107 PM EDT Mon Aug 16 2021 .OVERNIGHT...S to SW winds 10 to 15 kt S of 27N, and SW 15 to 20 kt elsewhere. Seas 5 to 7 ft in W to NW swell. Scattered showers and isolated thunderstorms. .TUE...S to SW winds 10 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 kt. Seas 2 to 4 ft. .SAT...E winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ017-171515- W Central Gulf from 22N to 26N W of 94W- 1107 PM EDT Mon Aug 16 2021 .OVERNIGHT...E to SE winds 10 kt. Seas 3 ft or less. .TUE...SE winds 10 kt. Seas 3 ft or less. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. .WED...SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. $$ GMZ019-171515- Central Gulf from 22N to 26N between 87W and 94W- 1107 PM EDT Mon Aug 16 2021 .OVERNIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .TUE...SE to S winds 10 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 20 to 25 kt. Seas 2 to 4 ft, building to 6 to 8 ft late. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. $$ GMZ021-171515- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1107 PM EDT Mon Aug 16 2021 ...TROPICAL STORM WARNING... .OVERNIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .TUE...E winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .TUE NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .WED...E winds 20 to 25 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 35 to 40 kt. Straits of Florida, seas 7 to 11 ft. Elsewhere, seas 7 to 10 ft, except building to 12 to 18 ft S of 23N W of 85W including Yucatan Channel. .THU...E to SE winds 25 to 30 kt. Straits of Florida, seas 6 to 8 ft. Elsewhere, seas 9 to 14 ft, subsiding to 6 to 9 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 2 to 4 ft $$ GMZ023-171515- SW Gulf S of 22N W of 94W- 1107 PM EDT Mon Aug 16 2021 .OVERNIGHT...NE to E winds 10 kt early in the evening, becoming variable less than 5 kt. Seas 3 ft or less. .TUE...S of 21N W of 95W, variable winds less than 5 kt, becoming E to SE 10 kt early in the afternoon. Elsewhere, SE winds 10 kt. Seas 3 ft or less. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .WED...E to SE winds 10 to 15 kt. Seas 3 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft or less, building to 2 to 4 ft late. .THU...NE to E winds 10 kt. Seas 2 to 4 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. $$ GMZ025-171515- E Bay of Campeche including Campeche Bank- 1107 PM EDT Mon Aug 16 2021 .OVERNIGHT...NE winds 10 kt, shifting to E to SE late. Seas 3 ft or less. Scattered showers and isolated tstms. .TUE...SE winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .WED...E winds 15 to 20 kt. Seas 2 to 4 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Campeche, NE to E winds 15 to 20 kt. Elsewhere, NE to E winds 20 to 25 kt, increasing to 40 to 45 kt. Seas 3 to 5 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft within 60 nm of coast of Campeche, and 5 to 7 ft elsewhere. $$ Forecaster Aguirre