000 FZNT24 KNHC 112018 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 418 PM EDT Sat Sep 11 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. GMZ001-120830- Synopsis for the Gulf of Mexico 418 PM EDT Sat Sep 11 2021 .SYNOPSIS...A large area of convection extends across Central America and southern Mexico, related to the interaction of a tropical wave and an upper level trough. Upper-level winds are expected to become favorable for the system during the next day or so. A tropical depression is likely to form on Sunday or Monday while the disturbance moves NW near the coast of northeastern Mexico. Further development will be possible through the middle of next week if it remains over water, and interests along the western and northwestern Gulf coast should monitor the progress of this system. Regardless of development, this disturbance is expected to produce heavy rain across portions of Central America and the Yucatan Peninsula today which may lead to flash flooding and mudslides. By late this weekend, heavy rain will likely reach portions of the western Gulf coast, including coastal Texas and Louisiana through the middle of next week. Localized significant rainfall amounts will be possible, potentially resulting in areas of flash and urban flooding. Elsewhere, a frontal boundary over the northern Gulf will prevail through tonight supporting showers and thunderstorms across the region. $$ GMZ011-120830- NW Gulf including Stetson Bank- 418 PM EDT Sat Sep 11 2021 .TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .SUN...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Numerous showers and scattered tstms. .SUN NIGHT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .MON...SE winds 15 to 20 kt. Seas 5 to 7 ft. Numerous showers and scattered tstms. .MON NIGHT...SE winds 25 to 30 kt. Seas 7 to 10 ft. .TUE...S to SW winds 20 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. .THU...S to SW winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ013-120830- N Central Gulf including Flower Garden Banks Marine Sanctuary- 418 PM EDT Sat Sep 11 2021 .TONIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .SUN...SE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SUN NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .MON...SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .MON NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 15 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU...S winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ015-120830- NE Gulf N of 25N E of 87W- 418 PM EDT Sat Sep 11 2021 .TONIGHT...E winds 15 to 20 kt. Seas 3 ft or less. .SUN...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON NIGHT...E winds 10 kt. Seas 2 to 4 ft. .TUE...E to SE winds 10 kt. Seas 3 ft or less. .TUE NIGHT...E winds 10 kt. Seas 3 ft or less. .WED...E to SE winds 10 kt. Seas 3 ft or less. .WED NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .THU...Variable winds less than 5 kt. Seas 3 ft or less. .THU NIGHT...Variable winds less than 5 kt. Seas 3 ft or less. $$ GMZ017-120830- W Central Gulf from 22N to 26N W of 94W- 418 PM EDT Sat Sep 11 2021 .TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .SUN...W of 96W, NE to E winds 10 kt. Seas 2 to 4 ft. Elsewhere, SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .SUN NIGHT...E to SE winds 20 to 25 kt. Seas 5 to 7 ft. Numerous showers and scattered tstms. .MON...SE to S winds 20 to 25 kt. Seas 6 to 9 ft. Scattered tstms. .MON NIGHT...SE to S winds 20 to 25 kt. Seas 6 to 8 ft. .TUE...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .WED...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ019-120830- Central Gulf from 22N to 26N between 87W and 94W- 418 PM EDT Sat Sep 11 2021 .TONIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SUN...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .SUN NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .MON...SE winds 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ021-120830- E Gulf from 22N to 25N E of 87W including Straits of Florida- 418 PM EDT Sat Sep 11 2021 .TONIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...E to SE winds 10 kt. Seas 3 ft or less. .TUE NIGHT...E winds 10 kt. Seas 3 ft or less. .WED...SE winds 10 kt. Seas 3 ft or less. .WED NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .THU...S winds 10 kt. Seas 3 ft or less. .THU NIGHT...E to SE winds 10 kt. Seas 3 ft or less. $$ GMZ023-120830- SW Gulf S of 22N W of 94W- 418 PM EDT Sat Sep 11 2021 .TONIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .SUN...N to NE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SUN NIGHT...W to NW winds 15 to 20 kt, shifting to SW 10 to 15 kt late. Seas 3 to 5 ft. Scattered showers and isolated tstms. .MON...S winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .MON NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .WED...SE winds 10 to 15 kt. Seas 3 ft or less. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .THU...SE winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ025-120830- E Bay of Campeche including Campeche Bank- 418 PM EDT Sat Sep 11 2021 .TONIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. Numerous showers and scattered tstms. .SUN...SE winds 15 to 20 kt. Seas 3 ft or less within 60 nm of coast of Campeche, and 3 to 5 ft elsewhere. Scattered showers and isolated tstms. .SUN NIGHT...Within 60 nm of coast of Campeche, NW to N winds 10 kt, shifting to SE late. Elsewhere, SE winds 15 to 20 kt. Seas 3 ft or less within 60 nm of coast of Campeche, and 3 to 5 ft elsewhere. Scattered showers and isolated tstms. .MON...SE winds 15 to 20 kt. Seas 3 ft or less within 60 nm of coast of Campeche, and 2 to 4 ft elsewhere. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. .WED...SE winds 10 to 15 kt. Seas 3 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. $$ Forecaster ERA