352 FZNT24 KNHC 240327 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1127 PM EDT Sun Aug 23 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. GMZ001-241530- Synopsis for the Gulf of Mexico 1127 PM EDT Sun Aug 23 2020 .SYNOPSIS...Tropical Storm Marco centered near 26.8N 87.6W 996 mb at 11 PM EDT is moving NNW at 10 kt. Maximum sustained winds 60 kt gusts 75 kt. Marco will maintain intensity as it reaches to near 28.0N 89.7W Mon morning, to near 29.0N 90.2W Mon evening and move inland to near 29.6N 92.0W Tue morning. Marco will weaken to a depression near 29.8N 93.6W Tue evening, move inland to 29.7N 94.9W Wed morning, and dissipate Wed evening. Tropical Storm Laura centered near 20.1N 76.6W 1000 mb at 11 PM EDT is moving WNW at 18 kt. Maximum sustained winds 55 kt gusts 60 kt. Laura will maintain intensity as it moves to near 21.1N 79.4W Mon morning, to near 22.5N 82.6W Mon evening with maximum sustained winds 60 kt gusts 75 kt, then intensify to a hurricane as it reaches near 23.8N 85.7W Tue morning with maximums sustained winds 65 kt gusts 80 kt, and continue to intensify as it reaches to near 25.3N 88.5W Tue evening with maximum sustained winds 70 kt gusts 85 kt. to near 27.1N 90.9W Wed morning with maximum sustained winds 80 kt gusts 100 kt and to near 29.2N 92.4W Wed evening with maximum sustained winds 90 kt gusts 110 kt. Laura will weaken to a tropical storm while moving inland to near 34.2N 90.9W Thu evening. Atlantic high pressure will build westward over the eastern Gulf in the wake of Laura. $$ GMZ011-241530- NW Gulf including Stetson Bank- 1127 PM EDT Sun Aug 23 2020 .OVERNIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. Scattered showers and isolated thunderstorms. .MON NIGHT...NE to E winds 10 kt. Seas 5 to 7 ft in E swell. .TUE...N winds 10 kt. Seas 3 to 5 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N to NE winds 10 kt, shifting to NE to E late. Seas 2 to 4 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .THU...S winds 15 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ013-241530- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1127 PM EDT Sun Aug 23 2020 ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. NE to E winds 15 to 20 kt W of 90W, and NE 45 to 55 kt elsewhere. Seas 12 to 19 ft in E to SE swell. Scattered showers and isolated thunderstorms. .MON...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, N to NE winds 30 to 35 kt. Elsewhere, S winds 50 to 55 kt, becoming SE to S 25 to 30 kt in the afternoon. Seas 12 to 19 ft in E swell, subsiding to 8 to 12 ft in E swell in the afternoon. Scattered showers and isolated thunderstorms. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE to E winds 20 to 25 kt. Seas 6 to 8 ft. Scattered showers and isolated thunderstorms. .TUE...HURRICANE CONDITIONS POSSIBLE. W of 90W, N to NE winds 10 to 15 kt. Elsewhere, E winds 20 to 25 kt, increasing to 30 to 35 kt in the afternoon. Seas 4 to 6 ft, building to 8 to 12 ft in NE to E swell in the afternoon except 17 to 25 ft S of 27N E of 89W. Scattered to numerous squalls and thunderstorms. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. W of 90W, N to NE winds 25 to 30 kt, becoming NE 55 to 65 kt late. Elsewhere, E winds 40 to 45 kt, becoming E to SE 60 to 70 kt late. Seas 14 to 21 ft in NE to E swell. Scattered showers and isolated thunderstorms. .WED...HURRICANE CONDITIONS POSSIBLE. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. .THU...SE to S winds 15 to 20 kt W of 90W, and SE 10 kt elsewhere. Seas 5 to 7 ft. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ015-241530- NE Gulf N of 25N E of 87W- 1127 PM EDT Sun Aug 23 2020 ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 35 to 40 kt, diminishing to 20 to 25 kt late. Seas 7 to 10 ft in S to SW swell. Scattered showers and isolated thunderstorms. .MON...E to SE winds 20 to 25 kt S of 27N, and SE 15 to 20 kt elsewhere. Seas 6 to 8 ft. Scattered showers and isolated thunderstorms. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 30 kt S of 27N, and E to SE 20 to 25 kt elsewhere. Seas 5 to 7 ft, building to 8 to 12 ft in SW swell late. Scattered showers and isolated thunderstorms. .TUE...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, E to SE winds 35 to 40 kt, becoming SE 45 to 55 kt in the afternoon. Elsewhere, E to SE winds 25 to 30 kt. Seas 11 to 17 ft in NE swell. Scattered showers and isolated thunderstorms. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 25 to 30 kt. Seas 11 to 17 ft in E to SE swell, subsiding to 8 to 12 ft in S swell late. .WED...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ017-241530- W Central Gulf from 22N to 26N W of 94W- 1127 PM EDT Sun Aug 23 2020 .OVERNIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .MON...Variable winds less than 5 kt, becoming N 10 kt in the afternoon. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .MON NIGHT...NE winds 10 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .TUE...N to NE winds 10 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .TUE NIGHT...N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. .WED...W to NW winds 10 kt. Seas 6 to 9 ft in NE to E swell. .WED NIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft in NE to E swell. .THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ019-241530- Central Gulf from 22N to 26N between 87W and 94W- 1127 PM EDT Sun Aug 23 2020 ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 24N, NE to E winds 10 kt. Elsewhere, NE winds 25 to 30 kt, becoming NE to E 15 to 20 kt late. Seas 6 to 8 ft in NE to E swell. Scattered showers and isolated thunderstorms S part. .MON...E winds 10 kt. Seas 5 to 7 ft in NE to E swell. Scattered showers and isolated thunderstorms S part. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, N to NE winds 25 to 30 kt, becoming NW 35 to 40 kt in the afternoon. Elsewhere, NE winds 25 to 30 kt, becoming N 55 to 65 kt in the afternoon. Seas 6 to 8 ft in NE to E swell, building to 11 to 17 ft in NE to E swell in the afternoon, except 20 to 28 ft N of 25N E of 89W. Numerous squalls and thunderstorms. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. S of 24N, NW winds 20 to 25 kt, shifting to S 15 to 20 kt late. Elsewhere, NW to N winds 55 to 65 kt, shifting to W late. Seas 12 to 19 ft in NE to E swell. Scattered showers and isolated thunderstorms. .WED...HURRICANE CONDITIONS POSSIBLE. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in NW to N swell. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 15 to 20 kt. Seas 3 to 5 ft. $$ GMZ021-241530- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1127 PM EDT Sun Aug 23 2020 ...HURRICANE WARNING... .OVERNIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .MON...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 25 to 30 kt Straits of Florida with frequent gusts to gale force, and NE to E 15 to 20 kt elsewhere. Seas 4 to 6 ft, except 12 to 18 ft Straits of Florida. Numerous squalls and thunderstorms. .MON NIGHT...TROPICAL STORM CONDITIONS EXPECTED. N to NE winds 35 to 40 kt, increasing to 55 to 60 kt late. Seas 7 to 10 ft, building to 14 to 25 ft late. Numerous squalls and thunderstorms. .TUE...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, SE to S winds 25 to 30 kt, becoming SE 15 to 20 kt in the afternoon. Elsewhere, SE to S winds 50 to 65 kt. Seas 14 to 25 ft in E swell Numerous squalls and thunderstorms. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Straits of Florida, E to SE winds 10 to 15 kt. Elsewhere, SE to S winds 25 to 30 kt, becoming SE 15 to 20 kt late. Seas 8 to 12 ft, subsiding to 5 to 7 ft late. Scattered showers and isolated thunderstorms. .WED...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E to SE winds 10 to 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 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 15 to 20 kt. Seas 4 to 6 ft. $$ GMZ023-241530- SW Gulf S of 22N W of 94W- 1127 PM EDT Sun Aug 23 2020 .OVERNIGHT...N to NE winds 10 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .MON...NW to N winds 10 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .MON NIGHT...N winds 10 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .TUE...NW to N winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .TUE NIGHT...N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .WED...Variable winds less than 5 kt. Seas 3 to 5 ft in NE swell. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ025-241530- E Bay of Campeche including Campeche Bank- 1127 PM EDT Sun Aug 23 2020 .OVERNIGHT...NE winds 10 kt. Seas 3 ft or less. Scattered showers and isolated thunderstorms. .MON...E to SE winds 10 kt, shifting to W 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 2 to 4 ft. Scattered showers and isolated thunderstorms. .TUE...SE winds 10 kt, shifting to NW in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated thunderstorms. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE to E winds 10 kt within 60 nm of coast of Campeche, and E 15 to 20 kt elsewhere. Seas 2 to 4 ft. $$ Forecaster Aguirre