855 FZNT24 KNHC 230334 CCA OFFNT4 Offshore Waters Forecast for the Gulf of Mexico...Corrected NWS National Hurricane Center Miami, FL 1055 PM EDT Sat Aug 22 2020 Corrected synopsis 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. GMZ001-231500- Synopsis for the Gulf of Mexico 1055 PM EDT Sat Aug 22 2020 .SYNOPSIS...Tropical Storm Marco centered near 22.8N 86.3W 996 mb at 11 PM EDT is moving NNW at 11 kt. Maximum sustained winds 55 kt gusts 65 kt. Marco will intensify to a hurricane near 24.3N 87.1W Sun morning with maximum sustained winds 65 kt gusts to 80 kt, reach to near 26.3N 87.9W Sun evening with maximum sustained winds 70 kt gusts 85 kt. It will maintain intensity as it reaches to near 28.3N 88.9W Mon morning and move inland to near 30.5N 92.0W Tue morning. Marco will weaken to a tropical depression near 30.9N 93.5W Tue evening and dissipate late Wed. Tropical Storm Laura currently over Hispaniola will move across western Cuba Mon and reach the southeastern Gulf near 23.4N 83.0W Mon evening with maximum sustained winds 50 kt gusts to 60 kt. Laura will intensify to a hurricane as it reaches near 24.7N 85.8W Tue morning with maximum sustained winds 60 kt gusts 75 kt, to near 26.2N 88.0W Tue evening with maximum sustained winds 75 kt gusts 90 kt and move inland near 29.8N 91.2W Wed evening. Atlantic high pressure will build westward over the eastern Gulf in the wake of Laura. $$ GMZ011-231500- NW Gulf including Stetson Bank- 1055 PM EDT Sat Aug 22 2020 .OVERNIGHT...E to SE winds 10 to 15 kt late. Seas 3 ft or less. .SUN...NE winds 10 to 15 kt. Seas 3 ft or less. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft, building to 6 to 8 ft in E to SE swell late. Scattered showers and isolated thunderstorms. .MON...NE to E winds 10 to 15 kt. Seas 6 to 9 ft in E to SE swell. Scattered showers and isolated thunderstorms. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 6 to 9 ft in E swell. Scattered showers and isolated thunderstorms. .TUE...N to NE winds 10 kt. Seas 7 to 10 ft in E swell. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in E swell. .WED...TROPICAL STORM CONDITIONS POSSIBLE. N to NE winds 10 to 15 kt. Seas 7 to 10 ft in E swell. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S winds 10 to 15 kt. Seas 7 to 11 ft in E swell. .THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in E swell. $$ GMZ013-231500- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1055 PM EDT Sat Aug 22 2020 ...HURRICANE WARNING... .OVERNIGHT...E to SE winds 10 to 15 kt late. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. W of 90W, NE to E winds 10 to 15 kt. Elsewhere, E to SE winds 15 to 20 kt, becoming E 30 to 35 kt in the afternoon. Seas 4 to 6 ft, building to 7 to 10 ft in E to SE swell in the afternoon. Scattered showers and isolated thunderstorms. .SUN NIGHT...HURRICANE CONDITIONS EXPECTED. NE to E winds 15 to 20 kt W of 90W, and NE to E 60 to 70 kt elsewhere. Seas 10 to 15 ft W of 90W, and 11 to 19 ft E of 90W except 20 to 28 ft S of 27N E of 89W. Numerous squalls and thunderstorms. .MON...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, N to NE winds 20 to 25 kt. Elsewhere, S winds 55 to 65 kt, becoming SE 15 to 20 kt in the afternoon. Seas 10 to 15 ft in E swell, subsiding to 7 to 10 ft in E swell in the afternoon except 14 to 22 ft N of 27N E of 89W subsiding to 6 to 8 ft late. Numerous squalls and thunderstorms. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 90W, N to NE winds 15 to 20 kt, becoming E 10 kt late. Elsewhere, E winds 15 to 20 kt. Seas 6 to 8 ft in E swell, building to 8 to 12 ft in E swell late. Scattered showers and isolated thunderstorms. .TUE...HURRICANE CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...HURRICANE CONDITIONS POSSIBLE. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ015-231500- NE Gulf N of 25N E of 87W- 1055 PM EDT Sat Aug 22 2020 ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 20 kt late. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, E to SE winds 30 to 35 kt, becoming SE 45 to 50 kt in the afternoon. Elsewhere, E to SE winds 15 to 20 kt. Seas 7 to 11 ft in S swell. Scattered showers and thunderstorms. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 25 to 30 kt, becoming SE 15 to 20 kt late. Seas 7 to 11 ft in S to SW swell. Scattered showers and thunderstorms. .MON...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 20 to 25 kt S of 27N, and SE 15 to 20 kt elsewhere. Seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 27N, E winds 25 to 30 kt, increasing to 35 to 40 kt late. Elsewhere, E winds 15 to 20 kt, becoming E to SE 25 to 30 kt late. Seas 6 to 8 ft in SE to S swell, building to 10 to 15 ft in S to SW swell late. Scattered showers and isolated thunderstorms. .TUE...HURRICANE CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...TROPICAL STORM CONDITIONS POSSIBLE. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ017-231500- W Central Gulf from 22N to 26N W of 94W- 1055 PM EDT Sat Aug 22 2020 .OVERNIGHT...E winds 10 to 15 kt late. Seas 3 ft or less. .SUN...Variable winds less than 5 kt, becoming N 10 to 15 kt in the afternoon. Seas 3 ft or less. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...N to NE winds 10 kt. Seas 5 to 7 ft in E swell. .MON NIGHT...NE winds 10 kt. Seas 4 to 6 ft in E swell. .TUE...Variable winds less than 5 kt, becoming N 10 kt in the afternoon. Seas 4 to 6 ft in NE to E swell. .TUE NIGHT...N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 4 to 6 ft in NE to E swell. .WED...W to NW winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. .WED NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell. $$ GMZ019-231500- Central Gulf from 22N to 26N between 87W and 94W- 1055 PM EDT Sat Aug 22 2020 ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. S of 24N, NE to E winds 45 to 50 kt late. Elsewhere, E winds 20 to 25 kt late. Seas 5 to 7 ft in NE to E swell. Scattered showers and isolated thunderstorms E of 89W. .SUN...HURRICANE CONDITIONS EXPECTED. S of 24N, N to NE winds 50 to 55 kt, becoming W 15 to 20 kt in the afternoon. Elsewhere, NE winds 55 to 65 kt. Seas 8 to 12 ft in E swell. Scattered showers and isolated thunderstorms E of 89W. .SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, NE winds 10 to 15 kt. Elsewhere, N to NE winds 55 to 65 kt, becoming NE to E 10 to 15 kt late. Seas 7 to 11 ft in E swell. Scattered showers and isolated thunderstorms. .MON...E winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. .MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...HURRICANE CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...HURRICANE CONDITIONS POSSIBLE. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in N swell. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. $$ GMZ021-231500- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1055 PM EDT Sat Aug 22 2020 ...HURRICANE WARNING W OF 86W... .OVERNIGHT...TROPICAL STORM CONDITIONS. Straits of Florida, E to SE winds 20 to 25 kt late. Elsewhere, E to SE winds 50 to 60 kt late. Seas 11 to 17 ft in SE swell. Scattered to numerous showers and thunderstorms. .SUN...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, SE winds 15 to 20 kt. Elsewhere, SE to S winds 45 to 55 kt, except 55 to 65 kt W of 86W, diminishing to 30 to 35 kt in the afternoon. Seas 12 to 18 ft in NE to E swell, subsiding to 7 to 11 ft in E swell in the afternoon. Scattered to numerous showers and thunderstorms. .SUN NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Numerous showers and thunderstorms. .MON...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, E winds 25 to 30 kt, becoming N 40 to 45 kt in the afternoon. Elsewhere, NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and thunderstorms. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Straits of Florida, NW to N winds 40 to 45 kt, becoming SW to W 35 to 40 kt late. Elsewhere, N to NE winds 45 to 50 kt. Seas 8 to 12 ft in NE to E swell, building to 14 to 21 ft in NE to E swell late. Scattered showers and thunderstorms. .TUE...HURRICANE CONDITIONS POSSIBLE. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. $$ GMZ023-231500- SW Gulf S of 22N W of 94W- 1055 PM EDT Sat Aug 22 2020 .OVERNIGHT...NE to E winds 10 kt late. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .SUN...Variable winds less than 5 kt, becoming N 10 kt in the afternoon. Seas 3 ft or less. .SUN NIGHT...N to NE winds 10 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .MON...NW to N winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .MON NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. Scattered thunderstorms. .TUE...NW to N winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...N to NE winds 10 kt. Seas 2 to 4 ft. .WED...Variable winds less than 5 kt, becoming N 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...E winds 10 kt, shifting to E to SE 15 to 20 kt late. Seas 4 to 6 ft. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. $$ GMZ025-231500- E Bay of Campeche including Campeche Bank- 1055 PM EDT Sat Aug 22 2020 .OVERNIGHT...Within 60 nm of coast of Campeche, NE winds 10 kt late. Elsewhere, NE winds 20 to 25 kt late. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .SUN...Within 60 nm of coast of Campeche, E to SE winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, NE to E winds 10 to 15 kt, shifting to NW to N in the afternoon. Seas 3 ft or less. Isolated thunderstorms. .SUN NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .MON...E to SE winds 10 kt, shifting to NW in the afternoon. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .MON NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less, building to 3 to 5 ft late. Scattered showers and isolated thunderstorms. .TUE...SE winds 10 kt, shifting to NW in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...N to NE winds 10 kt, shifting to E late. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. $$ Forecaster Aguirre