000 FZNT24 KNHC 220857 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 457 AM EDT Sat Aug 22 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. GMZ001-222100- Synopsis for the Gulf of Mexico 457 AM EDT Sat Aug 22 2020 .SYNOPSIS...Tropical Storm Marco near 19.6N 85.4W 1005 mb at 5 AM EDT is moving NNW at 10 kt. Maximum sustained winds 40 kt gusts 50 kt. Marco will gradually intensify as it moves to just east of the northeastern tip of the Yucatan Peninsula near 20.9N 86.1W this afternoon, to over the extreme southern Gulf of Mexico near 22.5N 87.1W late tonight with maximum sustained winds 50 kt gusts to 60 kt, to the south-central Gulf of Mexico near 24.1N 88.3W Sun afternoon with maximum sustained winds 55 kt gusts 65 kt. Marco will strengthen a little more as it reaches near 25.7N 89.9W late Sun night with maximum sustained winds 60 kt gusts 75 kt, and begin to weaken as it reaches near 27.3N 91.3W Mon afternoon. Marco is forecast to continue to weaken as it nears 28.3N 93.4W late Mon night and to inland Texas near 29.1N 96.2W late by Tue night. Tropical Storm Laura over the Tropical Atlantic is forecast to move across western Cuba near 23.1N 81.8W Mon afternoon, then move over the southeastern Gulf of Mexico near 24.6N 84.7W late Mon night with maximum winds 55 kt gusts to 65 kt. Laura is forecast to strengthen to a hurricane over the north- central Gulf of Mexico near 27.5N 89.5W late Tue night with maximum sustained winds 75 kt gusts 90 kt. It is forecast to begin to weaken as it reaches to near 31.0N 92.0W late Wed night. $$ GMZ011-222100- NW Gulf including Stetson Bank- 457 AM EDT Sat Aug 22 2020 .TODAY...SE to S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .TONIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .SUN...NE to E winds 10 to 15 kt. Seas 3 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .MON...NE winds 15 to 20 kt. Seas 4 to 6 ft, building to 7 to 10 ft in E swell in the afternoon. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...HURRICANE CONDITIONS POSSIBLE. S to SW winds 10 kt. Seas 6 to 8 ft in E swell. $$ GMZ013-222100- N Central Gulf including Flower Garden Banks Marine Sanctuary- 457 AM EDT Sat Aug 22 2020 ...TROPICAL STORM WARNING... .TODAY...Variable winds less than 5 kt, becoming E 10 kt in the afternoon. Seas 2 to 4 ft. Scattered showers and thunderstorms. .TONIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and thunderstorms. .SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 20 to 25 kt, increasing to 50 to 55 kt late. Seas 6 to 8 ft, except building to 10 to 15 ft S part late. Scattered showers and thunderstorms. .MON...TROPICAL STORM CONDITIONS POSSIBLE. W of 90W, NE winds 45 to 55 kt. Elsewhere, E to SE winds 35 to 40 kt, becoming E 15 to 20 kt in the afternoon. Seas 8 to 12 ft, building to 11 to 17 ft in the afternoon. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...HURRICANE CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...HURRICANE CONDITIONS POSSIBLE. $$ GMZ015-222100- NE Gulf N of 25N E of 87W- 457 AM EDT Sat Aug 22 2020 .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft or less. Scattered showers and thunderstorms. .TONIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and thunderstorms. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and thunderstorms. .MON...S of 27N, E winds 10 to 15 kt, except becoming NE to E 25 to 30 kt far SE part in the afternoon. Seas 3 to 5 ft, except building to 10 to 15 ft far SE part in the afternoon. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...HURRICANE CONDITIONS POSSIBLE. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...TROPICAL STORM CONDITIONS POSSIBLE. $$ GMZ017-222100- W Central Gulf from 22N to 26N W of 94W- 457 AM EDT Sat Aug 22 2020 .TODAY...SE to S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .TONIGHT...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...W of 96W, NE winds 10 to 15 kt in the evening, becoming variable less than 5 kt. Elsewhere, NE winds 10 to 15 kt. Seas 2 to 4 ft. .MON...N winds 10 to 15 kt. Seas 5 to 7 ft in E swell. .MON NIGHT...N winds 15 to 20 kt, becoming W 10 to 15 kt late. Seas 6 to 8 ft in NE to E swell. .TUE...W to NW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 kt, shifting to S late. Seas 4 to 6 ft in NE to E swell. .WED...TROPICAL STORM CONDITIONS POSSIBLE. Variable winds less than 5 kt. Seas 5 to 7 ft in NE to E swell. $$ GMZ019-222100- Central Gulf from 22N to 26N between 87W and 94W- 457 AM EDT Sat Aug 22 2020 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. S of 24N, E to SE winds 10 to 15 kt, increasing to 20 to 25 kt in the afternoon. Elsewhere, E to SE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and thunderstorms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 40 to 50 kt S of 24N, and E to SE 15 to 20 kt elsewhere. Seas 5 to 7 ft in NE to E swell. Numerous showers and thunderstorms. .SUN...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, N to NE winds 45 to 50 kt. Elsewhere, E winds 30 to 35 kt, increasing to 45 to 50 kt in the afternoon. Seas 6 to 9 ft in E swell, except building to 14 to 20 ft S of 24N E of 90W. Numerous squalls and thunderstorms. .SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, N winds 25 to 30 kt, becoming S 15 to 20 kt late. Seas 10 to 14 ft, subsiding to 6 to 8 ft late. Elsewhere, NE to E winds 45 to 55 kt. Seas 16 to 23 ft. Numerous squalls and thunderstorms. .MON...TROPICAL STORM CONDITIONS POSSIBLE. S of 24N, SE to S winds 10 to 15 kt. Elsewhere, S winds 35 to 40 kt, becoming SE 20 to 25 kt in the afternoon. Seas 9 to 13 ft in E swell. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...HURRICANE CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 10 to 15 kt. Seas 6 to 9 ft in E swell. $$ GMZ021-222100- E Gulf from 22N to 25N E of 87W including Straits of Florida- 457 AM EDT Sat Aug 22 2020 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 20 to 25 kt. Seas 5 to 7 ft. Scattered showers and thunderstorms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, NE to E winds 25 to 30 kt, becoming E 15 to 20 kt late. Elsewhere, E winds 40 to 50 kt. 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 15 to 20 kt Straits of Florida, and SE 25 to 30 kt elsewhere. Seas 6 to 9 ft in NE to E swell. Scattered showers and thunderstorms. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and thunderstorms. .MON...TROPICAL STORM CONDITIONS POSSIBLE. Straits of Florida, NE to E winds 30 to 35 kt, increasing to 40 to 45 kt in the afternoon. Elsewhere, NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 10 to 15 kt. Seas 7 to 10 ft in SE swell. .WED...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. $$ GMZ023-222100- SW Gulf S of 22N W of 94W- 457 AM EDT Sat Aug 22 2020 .TODAY...SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .TONIGHT...NE to E winds 10 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .SUN...Variable winds less than 5 kt, becoming NW to N 10 kt in the afternoon. Seas 3 ft or less. .SUN NIGHT...N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .MON...NW to N winds 10 kt. Seas 3 ft or less. .MON NIGHT...N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. .TUE...Variable winds less than 5 kt, becoming NW to N 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. .WED...Variable winds less than 5 kt. Seas 3 to 5 ft in NE swell. $$ GMZ025-222100- E Bay of Campeche including Campeche Bank- 457 AM EDT Sat Aug 22 2020 ...TROPICAL STORM WARNING... .TODAY...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. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Campeche, NE winds 10 to 15 kt. Elsewhere, NE winds 40 to 45 kt, becoming NE to E 25 to 30 kt late. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .SUN...Variable winds less than 5 kt within 60 nm of coast of Campeche, and NW to N 15 to 20 kt elsewhere. Seas 2 to 4 ft. Isolated 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 late. Seas 3 ft or less. 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, shifting to NW in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt, shifting to E to SE late. Seas 2 to 4 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. $$ Forecaster Aguirre