000 FZNT24 KNHC 231514 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1114 AM 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. GMZ001-240315- Synopsis for the Gulf of Mexico 1114 AM EDT Sun Aug 23 2020 .SYNOPSIS...Tropical Storm Marco near 24.7N 87.3W 993 mb at 11 AM EDT moving NNW at 12 kt. Maximum sustained winds 60 kt gusts 75 kt. Marco will strengthen to a hurricane near 26.4N 88.1W this evening, move to 28.2N 89.1W Mon morning, move inland and weaken to a tropical storm near 29.5N 90.4W Mon evening. Marco will continue inland and weaken to a tropical depression near 31.2N 93.8W by Tue evening, and to 31.8N 95.4W Wed morning. Marco will dissipate early Thu. Tropical Storm Laura is over Haiti near 19.2N 73.2W 1004 mb at 11 AM EDT moving WNW at 18 kt. Maximum sustained winds 45 kt gusts 55 kt. Laura will move over Cuba to 20.3N 76.0W this evening, 21.6N 79.9W Mon morning, to 22.9N 83.2W Mon evening before emerging into the southeast Gulf. Laura will move to 24.1N 86.2W Tue morning, strengthen to a hurricane near 25.3N 88.9W Tue evening, then move to 26.8N 91.4W Wed morning. Laura is expected to make landfall over southwest Louisiana Wed night or early Thu morning. Atlantic high pressure will build westward over the eastern Gulf in the wake of Laura. $$ GMZ011-240315- NW Gulf including Stetson Bank- 1114 AM EDT Sun Aug 23 2020 .TODAY...NE winds 10 to 15 kt. Seas 3 ft or less. .TONIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. Scattered showers and isolated tstms. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...Variable winds less than 5 kt, becoming N 10 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE to E winds 10 to 15 kt. Seas 3 ft or less, building to 3 to 5 ft late. .WED...HURRICANE CONDITIONS POSSIBLE. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. .THU...TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. $$ GMZ013-240315- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1114 AM EDT Sun Aug 23 2020 ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, NE to E winds 10 to 15 kt. Elsewhere, E winds 15 to 20 kt, increasing to 25 to 35 kt in the afternoon. Seas 6 to 8 ft in SE swell. Scattered showers and isolated tstms. .TONIGHT...HURRICANE CONDITIONS EXPECTED. NE to E winds 15 to 20 kt W of 90W, and E 55 to 65 kt elsewhere. Seas 11 to 17 ft in E to SE swell. Scattered showers and isolated tstms. .MON...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, N to NE winds 25 to 30 kt. Elsewhere, S winds 50 to 60 kt, becoming SE 15 to 20 kt in the afternoon. Seas 11 to 17 ft in E swell, subsiding to 7 to 10 ft in E swell in the afternoon. Scattered showers and isolated tstms. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 90W, N to NE winds 15 to 20 kt, shifting to E 10 kt late. Elsewhere, E winds 15 to 20 kt. Seas 5 to 7 ft in E swell. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. N to NE winds 10 to 15 kt W of 90W, and NE to E 30 to 35 kt elsewhere. Seas 4 to 6 ft, building to 9 to 13 ft in E swell in the afternoon. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...HURRICANE CONDITIONS POSSIBLE. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. .THU...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ015-240315- NE Gulf N of 25N E of 87W- 1114 AM EDT Sun Aug 23 2020 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. SE winds 40 to 45 kt S of 27N, and E to SE 15 to 20 kt elsewhere. Seas 7 to 11 ft in S swell. Scattered tstms. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 20 to 25 kt. Seas 7 to 11 ft in S to SW swell. Scattered showers and isolated tstms. .MON...E to SE winds 20 to 25 kt S of 27N, and SE 15 to 20 kt elsewhere. Seas 6 to 9 ft in S to SW swell, subsiding to 4 to 6 ft in the afternoon. Scattered showers and isolated tstms. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 27N, E winds 30 to 35 kt. Elsewhere, E winds 15 to 20 kt, becoming E to SE 25 to 30 kt late. Seas 5 to 7 ft, building to 9 to 13 ft in W to NW swell late. Scattered showers and isolated tstms. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 35 to 45 kt S of 27N, and E to SE 25 to 30 kt elsewhere. Seas 14 to 21 ft in N to NE swell. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in S to SW swell. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ017-240315- W Central Gulf from 22N to 26N W of 94W- 1114 AM EDT Sun Aug 23 2020 .TODAY...N winds 10 kt. Seas 3 ft or less. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...Variable winds less than 5 kt, becoming N to NE 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .TUE...Variable winds less than 5 kt, becoming N 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 to 5 ft in NE swell. .WED...TROPICAL STORM CONDITIONS POSSIBLE. W to NW winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 10 to 15 kt. Seas 6 to 8 ft in NE swell. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft in NE swell. $$ GMZ019-240315- Central Gulf from 22N to 26N between 87W and 94W- 1114 AM EDT Sun Aug 23 2020 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. S of 24N, NE winds 25 to 30 kt, becoming W 15 to 20 kt in the afternoon. Elsewhere, NE winds 50 to 60 kt. Seas 8 to 12 ft in E swell. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, NE winds 10 to 15 kt. Elsewhere, N to NE winds 45 to 50 kt, becoming NE to E 10 to 15 kt late. Seas 7 to 10 ft in E swell. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...HURRICANE CONDITIONS POSSIBLE. S of 24N, N to NE winds 30 to 35 kt, shifting to NW 25 to 30 kt in the afternoon. Elsewhere, NE winds 35 to 40 kt, becoming NW to N 50 to 55 kt in the afternoon. Seas 4 to 6 ft, building to 8 to 12 ft in NE to E swell in the afternoon. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...HURRICANE CONDITIONS POSSIBLE. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 10 to 15 kt. Seas 6 to 8 ft in NW swell. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. $$ GMZ021-240315- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1114 AM EDT Sun Aug 23 2020 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. Straits of Florida, SE winds 15 to 20 kt. Elsewhere, SE to S winds 45 to 50 kt, diminishing to 30 to 35 kt in the afternoon. Seas 7 to 11 ft in E to SE swell. Scattered showers and isolated tstms. .TONIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .MON...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, NE to E winds 25 to 30 kt, shifting to N to NE 30 to 35 kt in the afternoon. Elsewhere, NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .MON NIGHT...TROPICAL STORM CONDITIONS EXPECTED. N to NE winds 40 to 50 kt. Seas 7 to 10 ft, building to 13 to 20 ft in NE to E swell late. Scattered showers and isolated tstms. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 25 kt Straits of Florida, and S 40 to 50 kt elsewhere. Seas 12 to 19 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ023-240315- SW Gulf S of 22N W of 94W- 1114 AM EDT Sun Aug 23 2020 .TODAY...NW to N winds 10 kt. Seas 3 ft or less. .TONIGHT...N to NE winds 10 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON...NW to N winds 10 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON NIGHT...N winds 10 to 15 kt. Seas 3 ft or less. Scattered tstms. .TUE...NW to N winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. .WED...Variable winds less than 5 kt, becoming N 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. $$ GMZ025-240315- E Bay of Campeche including Campeche Bank- 1114 AM EDT Sun Aug 23 2020 .TODAY...Within 60 nm of coast of Campeche, variable winds less than 5 kt. Elsewhere, E to SE winds 10 to 15 kt, shifting to NW to N in the afternoon. Seas 3 ft or less. .TONIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON...E to SE winds 10 kt, shifting to NW in the afternoon. Seas 3 ft or less. Scattered showers and isolated tstms. .MON NIGHT...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .TUE...SE winds 10 kt, shifting to NW in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...N to NE winds 10 kt, shifting to E late. Seas 2 to 4 ft. .WED...SE winds 10 kt. Seas 2 to 4 ft. .WED NIGHT...NE to 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. $$ Forecaster Christensen