000 FZNT24 KNHC 220316 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1116 PM EDT Fri Aug 21 2020 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. GMZ001-221530- Synopsis for the Gulf of Mexico 1116 PM EDT Fri Aug 21 2020 .SYNOPSIS...Newly upgraded Tropical Storm Marco near 18.7N 84.9W 1003 mb at 11 PM EDT is moving NNW at 9 kt. Maximum sustained winds 35 kt gusts 45 kt. Marco will move to near 19.7N 85.7W Sat morning with maximum sustained winds 45 kt guts to 55 kt, to just east of the northeastern tip of the Yucatan Peninsula near 21.1N 86.7W Sat evening, to the south-central Gulf of Mexico near 22.7N 88.0W Sun morning with maximum sustained winds 55 kt gusts 65 kt. Marco is forecast to continue to strengthen as it reaches near 24.N 89.5W Sun evening with maximum sustained winds 60 kt gusts 75 kt, and maintain intensity as it reaches near 25.9N 91.0W Mon morning, reach near 27.5N 92.8W Mon evening and move inland near 29.0N 95.4W Tue evening. Tropical Storm Laura over the Tropical Atlantic is forecast to enter the southeastern Gulf of Mexico near 23.8N 83.3W Mon evening with maximum winds 55 kt gusts to 65 kt. Laura is forecast to strengthen to a hurricane over the central Gulf of Mexico near 26.5N 87.7W Tue evening, reach to near 29.2N 90.2W Wed evening and move inland Wed night. $$ GMZ011-221530- NW Gulf including Stetson Bank- 1116 PM EDT Fri Aug 21 2020 .OVERNIGHT...SE winds 10 to 15 kt late. Seas 3 ft or less. .SAT...SE to S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .SUN...NE to E winds 10 to 15 kt. Seas 3 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...HURRICANE CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...TROPICAL STORM CONDITIONS POSSIBLE. S to SW winds 10 kt. Seas 3 to 5 ft. $$ GMZ013-221530- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1116 PM EDT Fri Aug 21 2020 .OVERNIGHT...SE to S winds 10 kt late. Seas 3 ft or less. Scattered showers and thunderstorms. .SAT...Variable winds less than 5 kt, becoming E 10 kt in the afternoon. Seas 3 ft or less. Scattered showers and thunderstorms. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 t. Scattered showers and thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 20 kt, except becoming E to SE 30 to 35 kt late S part. Seas 5 to 7 ft, except 10 to 17 ft S part. Scattered showers and thunderstorms. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...HURRICANE CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...HURRICANE CONDITIONS POSSIBLE. $$ GMZ015-221530- NE Gulf N of 25N E of 87W- 1116 PM EDT Fri Aug 21 2020 .OVERNIGHT...SE to S winds 10 to 15 kt late. Seas 3 ft or less. Scattered showers and thunderstorms. .SAT...SE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and thunderstorms. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and thunderstorms. .SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...HURRICANE CONDITIONS POSSIBLE. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...TROPICAL STORM CONDITIONS POSSIBLE. $$ GMZ017-221530- W Central Gulf from 22N to 26N W of 94W- 1116 PM EDT Fri Aug 21 2020 .OVERNIGHT...E to SE winds 10 to 15 kt late. Seas 3 ft or less. .SAT...SE to S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .SUN...NE winds 10 to 15 kt. Seas 3 ft or less. .SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. W to NW winds 10 to 15 kt. Seas 5 to 7 ft in E swell. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 10 kt. Seas 4 to 6 ft in E swell. .WED...TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 10 kt, shifting to E in the afternoon. Seas 3 to 5 ft in E swell. $$ GMZ019-221530- Central Gulf from 22N to 26N between 87W and 94W- 1116 PM EDT Fri Aug 21 2020 ...TROPICAL STORM WARNING... .OVERNIGHT...SE winds 15 to 20 kt late. Seas 4 to 6 ft. Scattered showers and thunderstorms E of 90W. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 10 to 15 kt, becoming E to SE 20 to 25 kt in the afternoon SE part . Seas 4 to 6 ft, building to 7 to 10 ft SE part. Scattered showers and thunderstorms. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, E winds 25 to 30 kt, increasing to 45 to 50 kt late. Elsewhere, E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Numerous showers and thunderstorms. .SUN...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, NE winds 50 to 55 kt. Elsewhere, E winds 15 to 20 kt, increasing to 40 to 45 kt in the afternoon. Seas 6 to 9 ft in E swell, except building to 14 to 20 ft S of 24N E of 90W. Numerous squalls and thunderstorms. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. S of 24N, N to NE winds 45 to 50 kt, becoming S 15 to 20 kt late. Elsewhere, E winds 45 to 55 kt. Seas 13 to 20 ft. Numerous squalls and thunderstorms. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 10 to 15 kt. Seas 4 to 6 ft. $$ GMZ021-221530- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1116 PM EDT Fri Aug 21 2020 ...TROPICAL STORM WARNING... .OVERNIGHT...SE winds 15 to 20 kt late. Seas 3 to 5 ft. Scattered showers and thunderstorms. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 20 to 25 kt. Seas 5 to 7 ft. Scattered showers and thunderstorms. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, NE to E winds 15 to 20 kt. Elsewhere, E winds 25 to 30 kt, increasing to 40 to 45 kt late. Seas 6 to 9 ft in NE to E swell, except building to 10 to 15 ft SW part. Scattered to numerous showers and thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 20 to 25 kt. Seas 6 to 9 ft in NE to E swell. Scattered showers and isolated thunderstorms. .SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. .WED...E to SE winds 10 kt. Seas 4 to 6 ft in SE to S swell. $$ GMZ023-221530- SW Gulf S of 22N W of 94W- 1116 PM EDT Fri Aug 21 2020 .OVERNIGHT...NE to E winds 10 kt late. Seas 3 ft or less. .SAT...E to SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .SAT NIGHT...NE to E winds 10 kt. Seas 3 ft or less. .SUN...Variable winds less than 5 kt, becoming NW to N 10 kt in the afternoon. Seas 3 ft or less. .SUN NIGHT...N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .MON...NW to N winds 10 kt. Seas 2 to 4 ft. .MON NIGHT...N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 to 5 ft in NE to E swell. .TUE...Variable winds less than 5 kt, becoming N to NE 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...NE to E winds 10 kt, shifting to SE late. Seas 2 to 4 ft. .WED...SE to S winds 10 kt, shifting to N to NE in the afternoon. Seas 2 to 4 ft. $$ GMZ025-221530- E Bay of Campeche including Campeche Bank- 1116 PM EDT Fri Aug 21 2020 ...TROPICAL STORM WARNING... .OVERNIGHT...NE to E winds 15 to 20 kt late. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Campeche, E winds 10 kt, shifting to N to NE in the afternoon. Elsewhere, E to SE winds 10 to 15 kt, shifting to NE 15 to 20 kt in the afternoon. Seas 3 ft or less. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. N to NE winds 10 to 15 kt, except NE 40 to 50 kt fare E part. Seas 4 to 6 ft, except 10 to 15 ft far E part. Scattered showers and thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 m of coast of Campeche, variable winds less than 5 kt. Elsewhere, N winds 25 to 30 kt, becoming NW 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Scattered showers and thunderstorms. .SUN NIGHT...Within 60 nm of coast of Campeche, variable less than 5 kt. NW to N winds 10 kt in the evening. Elsewhere, E to SE late. Seas 3 to 5 ft in NE to E swell. Scattered showers and isolated thunderstorms. .MON...SE to S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 2 to 4 ft. .MON NIGHT...NE winds 10 kt, shifting to E to SE late. Seas 2 to 4 ft. .TUE...SE winds 10 kt. Seas 2 to 4 ft. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. $$ Forecaster Aguirre