000 FZNT24 KNHC 180302 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1102 PM EDT Tue Aug 17 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. GMZ001-181515- Synopsis for the Gulf of Mexico 1102 PM EDT Tue Aug 17 2021 .SYNOPSIS...Tropical Storm Grace over the Caribbean Sea near 18.4N 79.2W 1000 mb at 11 PM EDT moving W at 12 kt. Maximum sustained winds 50 kt gusts 60 kt. Grace will move to near 18.9N 81.5W early Wed morning, then strengthen to a hurricane near 19.5N 84.7W Wed evening with maximum sustained winds 75 kt gusts 90 kt. Grace will move inland the Yucatan Peninsula near 20.0N 87.8W early Thu, and weaken to a tropical storm near 20.4N 90.7W Thu evening with maximum sustained winds 50 kt gusts 60 kt, re- strengthen to a hurricane near 20.7N 93.2W early Fri with maximum sustained winds 65 kt gusts 80 kt, reach to near 20.8N 95.6W Fri evening and weaken to a tropical storm while moving inland near 20.7N 100.1W late Sat. Winds and seas will begin to increase across the southeastern Gulf ahead of Grace on Wed. These conditions will shift to west of 90W Thu through late Fri night. $$ GMZ011-181515- NW Gulf including Stetson Bank- 1102 PM EDT Tue Aug 17 2021 .OVERNIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...SE winds 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...SE winds 15 to 20 kt. Seas 6 to 9 ft in N to NE swell. .SAT...SE winds 15 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E to SE winds 15 kt. Seas 5 to 7 ft. .SUN...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ013-181515- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1102 PM EDT Tue Aug 17 2021 .OVERNIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. .WED...SE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E to SE winds 15 to 20 kt. Seas 4 to 6 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 8 ft. .FRI NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ015-181515- NE Gulf N of 25N E of 87W- 1102 PM EDT Tue Aug 17 2021 .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...E to SE winds 15 to 20 kt S of 27N, and SE 10 to 15 kt elsewhere. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .THU...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Scattered showers and isolated thunderstorms. .THU NIGHT...E winds 10 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 6 ft. .FRI NIGHT...E winds 10 kt. Seas 3 to 4 ft. .SAT...E winds 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ017-181515- W Central Gulf from 22N to 26N W of 94W- 1102 PM EDT Tue Aug 17 2021 .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 96W, E winds 10 to 15 kt. Seas 4 to 6 ft. Elsewhere, NE to E winds 15 to 20 kt, increasing to 25 to 30 kt. Seas 6 to 8 ft, building to 7 to 11 ft. Scattered showers and isolated thunderstorms. .FRI...HURRICANE CONDITIONS POSSIBLE. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in SE swell. .SUN...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. $$ GMZ019-181515- Central Gulf from 22N to 26N between 87W and 94W- 1102 PM EDT Tue Aug 17 2021 ...TROPICAL STORM WARNING... .OVERNIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .WED...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 30 kt. S of 24N, seas 5 to 7 ft, building to 8 to 12 ft. Elsewhere, seas 5 to 7 ft. Isolated showers and thunderstorms. .THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 30 kt. S of 24N, seas 9 to 14 ft. Elsewhere, seas 6 to 9 ft, building to 8 to 12 ft. Scattered showers and thunderstorms. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 30 to 40 kt S of 24N, and E to SE 25 to 30 kt elsewhere. Seas 10 to 15 ft. Numerous showers and thunderstorms. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 15 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. $$ GMZ021-181515- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1102 PM EDT Tue Aug 17 2021 .OVERNIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 25 to 30 kt. Seas 9 to 13 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 25 to 30 kt. Seas 6 to 9 ft Straits of Florida, and 8 to 12 ft elsewhere. Scattered showers and isolated thunderstorms. .THU NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Isolated showers and thunderstorms. .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 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ023-181515- SW Gulf S of 22N W of 94W- 1102 PM EDT Tue Aug 17 2021 .OVERNIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU...Variable winds less than 5 kt S of 21N W of 95W, and NE 10 kt elsewhere. Seas 2 to 4 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 21N W of 95W, N to NE winds 10 kt, shifting to NW. Elsewhere, N to NE winds 15 to 20 kt, becoming NW to N 25 to 30 kt. Seas 3 to 5 ft, building to 6 to 9 ft. Scattered showers and isolated thunderstorms. .FRI...HURRICANE CONDITIONS POSSIBLE. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. $$ GMZ025-181515- E Bay of Campeche including Campeche Bank- 1102 PM EDT Tue Aug 17 2021 ...TROPICAL STORM WARNING... .OVERNIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .WED...E to SE winds 10 to 15 kt, shifting to NE to E early in the evening. Seas 3 to 5 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE to E winds 15 to 20 kt within 60 nm of coast of Campeche, and NE to E 25 to 30 kt elsewhere. Seas 4 to 6 ft. .THU...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Campeche, NE winds 10 kt, becoming NW 35 to 40 kt. Seas 2 to 4 ft, building to 5 to 7 ft. Elsewhere, N to NE winds 35 to 40 kt. Seas 6 to 9 ft. Scattered showers and isolated thunderstorms. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Campeche, SW winds 45 to 50 kt, becoming SE to S 30 to 35 kt. Elsewhere, N to NE winds 45 to 50 kt, becoming SE to S 55 to 60 kt. Seas 5 to 7 ft within 60 nm of coast of Campeche, and 9 to 14 ft elsewhere. Numerous showers and scattered thunderstorms. .FRI...HURRICANE CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft within 60 nm of coast of Campeche, and 6 to 9 ft elsewhere. .SAT NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft within 60 nm of coast of Campeche, and 5 to 7 ft elsewhere. .SUN...E winds 15 to 20 kt. Seas 2 to 4 ft within 60 nm of coast of Campeche, and 4 to 6 ft elsewhere. $$ Forecaster Aguirre