000 FZNT24 KNHC 130917 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 517 AM EDT Sun Sep 13 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. GMZ001-132130- Synopsis for the Gulf of Mexico 517 AM EDT Sun Sep 13 2020 .SYNOPSIS...Tropical Storm Sally near 27.0N 84.0W 1001 mb at 5 AM EDT moving WNW at 11 kt. Maximum sustained winds 45 kt gusts 50 kt. Sally will move to 27.7N 85.4W this afternoon, 28.3N 87.2W Mon morning, strengthen to a hurricane near 28.7N 88.7W Mon afternoon, 29.2N 89.7W Tue morning, 30.1N 90.0W Tue afternoon, and weaken to a tropical storm near 31.0N 90.0W Wed morning. Sally will weaken to a tropical depression while moving inland near 32.8N 88.6W early Thu. Otherwise, a surface trough over the western Gulf of Mexico will prevail through the middle of next week with low chance of tropical cyclone formation. $$ GMZ011-132130- NW Gulf including Stetson Bank- 517 AM EDT Sun Sep 13 2020 .TODAY...NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TONIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON...NE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .MON NIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell. .TUE...N winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell. .TUE NIGHT...N winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 to 5 ft in NE swell. .WED...SW to W winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .WED NIGHT...NE winds 10 kt, shifting to SE late. Seas 3 ft or less. .THU...Variable winds less than 5 kt, becoming NE 10 kt in the afternoon. Seas 3 ft or less. $$ GMZ013-132130- N Central Gulf including Flower Garden Banks Marine Sanctuary- 517 AM EDT Sun Sep 13 2020 ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. NE to E winds 10 to 15 kt W of 90W, and N to NE 20 to 25 kt elsewhere. Seas 4 to 6 ft. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, NE winds 15 to 20 kt. Elsewhere, NW to N winds 35 to 40 kt, becoming NW 50 to 55 kt late. Seas 6 to 9 ft in NE swell, building to 9 to 14 ft in NE swell late. Scattered showers and isolated tstms. .MON...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, N winds 15 to 20 kt. Elsewhere, SW winds 55 to 65 kt, shifting to S to SW 45 to 50 kt in the afternoon. Seas 10 to 15 ft in NE to E swell. Scattered showers and isolated tstms. .MON NIGHT...HURRICANE CONDITIONS POSSIBLE. NW winds 25 to 30 kt, shifting to SW to W late. Seas 8 to 12 ft in N swell. Scattered showers and isolated tstms. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 20 to 25 kt. Seas 6 to 9 ft in NW to N swell. .TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. .WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. .WED NIGHT...W of 90W, W to NW winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, S to SW winds 10 to 15 kt. Seas 3 ft or less. .THU...SW winds 10 kt, shifting to NW in the afternoon. Seas 3 ft or less. $$ GMZ015-132130- NE Gulf N of 25N E of 87W- 517 AM EDT Sun Sep 13 2020 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. S of 27N, SW to W winds 35 to 40 kt, becoming S to SW 20 to 25 kt in the afternoon. Elsewhere, E winds 40 to 50 kt. Seas 8 to 12 ft in NE swell. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. S winds 15 to 20 kt S of 27N, and SE to S 45 to 55 kt elsewhere. Seas 12 to 18 ft in NE to E swell. Scattered showers and isolated tstms. .MON...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, S winds 20 to 25 kt. Elsewhere, SE to S winds 30 to 35 kt, diminishing to 20 to 25 kt in the afternoon. Seas 10 to 15 ft in SW swell, subsiding to 7 to 10 ft in SW swell in the afternoon. Scattered showers and isolated tstms. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 10 to 15 kt S of 27N, and SE 20 to 25 kt elsewhere. Seas 6 to 9 ft in SW to W swell. Scattered showers and isolated tstms. .TUE...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. .THU...S winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ017-132130- W Central Gulf from 22N to 26N W of 94W- 517 AM EDT Sun Sep 13 2020 .TODAY...NW to N winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TONIGHT...N to NE winds 15 to 20 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON...N to NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .TUE...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 kt. Seas 3 ft or less. .THU...E to SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ019-132130- Central Gulf from 22N to 26N between 87W and 94W- 517 AM EDT Sun Sep 13 2020 .TODAY...SW to W winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TONIGHT...S of 24N, W to NW winds 10 kt, shifting to SE to S late. Elsewhere, NW winds 10 to 15 kt, shifting to SE 15 to 20 kt late. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON...S to SW winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .MON NIGHT...SW to W winds 10 to 15 kt, shifting to SE to S late. Seas 4 to 6 ft. Scattered showers and isolated tstms. .TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .THU...SE to S winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ021-132130- E Gulf from 22N to 25N E of 87W including Straits of Florida- 517 AM EDT Sun Sep 13 2020 .TODAY...SW winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .TONIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON...S winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .TUE...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...SE winds 10 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 10 kt. Seas 3 ft or less. .THU...E to SE winds 10 kt. Seas 3 ft or less. $$ GMZ023-132130- SW Gulf S of 22N W of 94W- 517 AM EDT Sun Sep 13 2020 .TODAY...NW winds 15 to 20 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .TONIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON...W to NW winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON NIGHT...NW to N winds 10 to 15 kt, shifting to W late. Seas 3 ft or less. Scattered showers and isolated tstms. .TUE...W to NW winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...N winds 10 to 15 kt, shifting to SW to W late. Seas 3 to 5 ft. .WED...SW to W winds 10 kt. Seas 2 to 4 ft. .WED NIGHT...NE winds 10 kt, shifting to SE late. Seas 3 ft or less. .THU...S winds 10 to 15 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. $$ GMZ025-132130- E Bay of Campeche including Campeche Bank- 517 AM EDT Sun Sep 13 2020 .TODAY...W winds 10 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TONIGHT...Within 60 nm of coast of Campeche, variable winds less than 5 kt. Elsewhere, NW to N winds 10 to 15 kt, shifting to E to SE late. Seas 3 ft or less. Scattered showers and isolated tstms. .MON...S to SW winds 10 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON NIGHT...Within 60 nm of coast of Campeche, variable winds less than 5 kt. Elsewhere, NW to N winds 10 to 15 kt, shifting to SE late. Seas 3 ft or less. Scattered showers and isolated tstms. .TUE...S to SW winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...Within 60 nm of coast of Campeche, variable winds less than 5 kt, becoming E 10 kt late. Elsewhere, NE winds 10 to 15 kt, shifting to E to SE late. Seas 2 to 4 ft. .WED...S winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. .THU...SE to S winds 10 to 15 kt. Seas 3 ft or less. $$ Forecaster Ramos