000 FZNT24 KNHC 220315 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1115 PM EDT Tue Sep 21 2021 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. GMZ001-221515- Synopsis for the Gulf of Mexico 1115 PM EDT Tue Sep 21 2021 .SYNOPSIS...Weak high pressure will extend across the eastern and central Gulf of Mexico through tonight, then dissipate ahead of an early season cold front expected to enter the NW Gulf early Wed. The front will reach from the NE Gulf to central Bay of Campeche by late Thu before stalling, supporting increased winds and seas over the northwest and north-central Gulf Tue night through Thu. Winds and seas will diminish through late Sun as high pressure builds across the northern Gulf in the wake of the dissipating front. $$ GMZ011-221515- NW Gulf including Stetson Bank- 1115 PM EDT Tue Sep 21 2021 .OVERNIGHT...Variable winds less than 5 kt, becoming NW to N 20 to 25 kt. Seas 3 ft or less, building to 3 to 5 ft. .WED...N to NE winds 20 to 25 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 15 to 20 kt diminishing to 10 to 15 kt. Seas subsiding 3 to 5 ft. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...NE to E winds 10 to 15 kt. Seas 3 ft or less. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .SAT...NE to E winds 10 to 15 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ013-221515- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1115 PM EDT Tue Sep 21 2021 .OVERNIGHT...W of 90W, W to NW winds 10 kt, shifting to NW 15 to 20 kt. Elsewhere, variable winds less than 5 kt, becoming NW 10 kt. Seas 3 ft or less, building to 2 to 4 ft. .WED...N to NE winds 20 to 25 kt W of 90W, and N 15 to 20 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 15 to 20 kt diminishing to 10 to 15 kt. Seas subsiding to 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. .SAT...NE winds 10 to 15 kt. Seas 3 ft or less. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. .SUN...E winds 10 kt. Seas 3 ft or less. .SUN NIGHT...E winds 10 kt. Seas 3 ft or less. $$ GMZ015-221515- NE Gulf N of 25N E of 87W- 1115 PM EDT Tue Sep 21 2021 .OVERNIGHT...N winds 10 kt. Seas 3 ft or less. .WED...NW to N winds 10 to 15 kt. Seas 3 ft or less, building to 2 to 4 ft late in the afternoon. .WED NIGHT...N winds 10 to 15 kt S of 27N, and N 15 to 20 kt elsewhere. Seas 3 to 5 ft. .THU...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...NE winds 10 kt. Seas 2 to 4 ft. .FRI NIGHT...NE winds 10 kt. Seas 3 ft or less. .SAT...NE winds 10 kt. Seas 3 ft or less. .SAT NIGHT...NE winds 10 kt late in the evening, becoming variable less than 5 kt. Seas 3 ft or less. .SUN...NE to E winds 10 kt. Seas 3 ft or less. .SUN NIGHT...NE winds 10 kt. Seas 3 ft or less. $$ GMZ017-221515- W Central Gulf from 22N to 26N W of 94W- 1115 PM EDT Tue Sep 21 2021 .OVERNIGHT...E to SE winds 10 kt, shifting to NE. Seas 3 ft or less. Scattered showers and isolated tstms. .WED...N winds 15 to 20 kt. Seas 2 to 4 ft, building to 5 to 7 ft late in the afternoon. Scattered showers and isolated tstms. .WED NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated tstms. .THU...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in NE swell. Scattered showers and isolated tstms. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...SE winds 10 kt. Seas 3 ft or less. .SUN NIGHT...SE winds 10 kt. Seas 3 ft or less. $$ GMZ019-221515- Central Gulf from 22N to 26N between 87W and 94W- 1115 PM EDT Tue Sep 21 2021 .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. .WED...N winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...N to NE winds 10 kt S of 24N, and N to NE 15 to 20 kt elsewhere. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E to SE winds 10 kt. Seas 3 ft or less. .SUN NIGHT...E to SE winds 10 kt. Seas 3 ft or less. $$ GMZ021-221515- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1115 PM EDT Tue Sep 21 2021 .OVERNIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...N to NE winds 10 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .WED NIGHT...NE winds 10 kt. Seas 3 ft or less. .THU...Variable winds less than 5 kt, becoming NE 10 kt late in the afternoon. Seas 3 ft or less. .THU NIGHT...NE to E winds 10 kt. Seas 3 ft or less. .FRI...NE to E winds 10 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 kt. Seas 3 ft or less. .SAT...Variable winds less than 5 kt, becoming NE to E 10 kt late in the afternoon. Seas 3 ft or less. .SAT NIGHT...E winds 10 kt. Seas 3 ft or less. .SUN...Variable winds less than 5 kt, becoming NE to E 10 kt late in the afternoon. Seas 3 ft or less. .SUN NIGHT...NE to E winds 10 kt. Seas 3 ft or less. $$ GMZ023-221515- SW Gulf S of 22N W of 94W- 1115 PM EDT Tue Sep 21 2021 .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .WED...N winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .WED NIGHT...NW to N winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .THU...NW to N winds 20 to 25 kt S of 21N W of 95W, and NW to N 15 to 20 kt elsewhere. Seas 5 to 7 ft. Scattered showers and isolated tstms. .THU NIGHT...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...N winds 10 kt. Seas 2 to 4 ft. .SAT NIGHT...NE winds 10 kt late in the evening, becoming variable less than 5 kt. Seas 3 ft or less. .SUN...Variable winds less than 5 kt. Seas 3 ft or less. .SUN NIGHT...Variable winds less than 5 kt. Seas 3 ft or less. $$ GMZ025-221515- E Bay of Campeche including Campeche Bank- 1115 PM EDT Tue Sep 21 2021 .OVERNIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .WED...N to NE winds 15 to 20 kt. Seas 2 to 4 ft. .WED NIGHT...N to NE winds 15 to 20 kt, diminishing to 10 kt early in the morning. Seas 2 to 4 ft. Scattered showers and isolated tstms. .THU...Within 60 nm of coast of Campeche, variable winds less than 5 kt, becoming NW to N 10 kt late in the afternoon. Elsewhere, NW to N winds 10 kt. Seas 3 ft or less, building to 3 to 5 ft late in the afternoon. .THU NIGHT...N to NE winds 10 kt late in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. .FRI...Variable winds less than 5 kt, becoming N to NE 10 kt late in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...NE to E winds 10 kt. Seas 3 ft or less. .SAT...NE to E winds 10 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .SUN...E winds 10 to 15 kt. Seas 3 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. $$ Forecaster Christensen