000 FZNT24 KNHC 171506 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1106 AM EDT Tue Aug 17 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. GMZ001-180315- Synopsis for the Gulf of Mexico 1106 AM EDT Tue Aug 17 2021 .SYNOPSIS...Tropical Storm Grace near 18.3N 76.8W 1005 mb at 11 AM EDT moving W at 13 kt. Maximum sustained winds 45 kt gusts 55 kt. Grace will move to 18.8N 79.0W this evening, strengthen to a hurricane near 19.2N 82.2W Wed morning, 19.7N 85.3W Wed evening, inland to 20.4N 88.3W Thu morning, weaken to a tropical storm near 20.9N 91.3W Thu evening, and strengthen to a hurricane near 21.1N 94.0W Fri morning. Grace will move inland near 21.5N 98.5W early Sat. Grace is forecast to approach the Yucatan peninsula of Mexico late Wednesday or early Thursday. Fresh to strong easterly winds on the northern periphery of Grace are expected over the southeastern Gulf waters from Tue night through Wed night. $$ GMZ011-180315- NW Gulf including Stetson Bank- 1106 AM EDT Tue Aug 17 2021 .TODAY...SE winds 10 kt in the afternoon. Seas 2 to 4 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .WED NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft, building to 5 to 7 ft late. .FRI...E to SE winds 15 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...SE winds 15 to 20 kt. Seas 7 to 10 ft. .SAT...SE winds 15 to 20 kt. Seas 6 to 9 ft. $$ GMZ013-180315- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1106 AM EDT Tue Aug 17 2021 .TODAY...SE to S winds 10 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. .WED...SE to S winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .WED NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. .THU...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 15 to 20 kt. W of 90W, seas 5 to 7 ft, building to 7 to 10 ft late. Elsewhere, seas 5 to 7 ft. .FRI...E to SE winds 15 to 20 kt. Seas 7 to 10 ft W of 90W, and 4 to 6 ft elsewhere. .FRI NIGHT...SE winds 15 to 20 kt. Seas 6 to 9 ft W of 90W, and 3 to 5 ft elsewhere. .SAT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft W of 90W, and 2 to 4 ft elsewhere. $$ GMZ015-180315- NE Gulf N of 25N E of 87W- 1106 AM EDT Tue Aug 17 2021 .TODAY...S to SW winds 10 kt in the afternoon. Seas 2 to 4 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. .WED...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft S of 27N, and 3 ft or less elsewhere. .THU...E to SE winds 15 to 20 kt. Seas 5 to 7 ft S of 27N, and 2 to 4 ft elsewhere. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft S of 27N, and 3 to 5 ft elsewhere. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...S of 27N, E winds 10 to 15 kt. Elsewhere, NE to E winds 10 kt in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 ft or less. $$ GMZ017-180315- W Central Gulf from 22N to 26N W of 94W- 1106 AM EDT Tue Aug 17 2021 .TODAY...SE winds 10 kt in the afternoon. Seas 2 to 4 ft. .TONIGHT...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...SE winds 15 to 20 kt. Seas 3 to 5 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. $$ GMZ019-180315- Central Gulf from 22N to 26N between 87W and 94W- 1106 AM EDT Tue Aug 17 2021 .TODAY...SE to S winds 10 kt in the afternoon. Seas 3 ft or less. .TONIGHT...E winds 15 to 20 kt S of 24N, and SE 10 to 15 kt elsewhere. Seas 2 to 4 ft. .WED...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 24N, E winds 15 to 20 kt, increasing to 25 to 30 kt late. Seas 3 to 5 ft, building to 6 to 9 ft late. Elsewhere, E winds 15 to 20 kt. Seas 3 to 5 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 30 to 35 kt S of 24N, and E 20 to 25 kt elsewhere. S of 24N, seas 10 to 15 ft. Elsewhere, seas 6 to 8 ft, building to 7 to 11 ft in the afternoon. Scattered showers and isolated tstms. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...E to SE winds 20 to 25 kt. Seas 7 to 10 ft. $$ GMZ021-180315- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1106 AM EDT Tue Aug 17 2021 .TODAY...E winds 10 to 15 kt in the afternoon. Seas 3 ft or less. .TONIGHT...E winds 15 to 20 kt. Seas 3 ft or less, building to 3 to 5 ft late. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 30 kt. Seas 5 to 7 ft, building to 9 to 13 ft late. .THU...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 25 to 30 kt. Seas 7 to 11 ft Straits of Florida, and 9 to 14 ft elsewhere. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 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. $$ GMZ023-180315- SW Gulf S of 22N W of 94W- 1106 AM EDT Tue Aug 17 2021 .TODAY...SE to S winds 10 kt in the afternoon. Seas 3 ft or less. .TONIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. .WED...SE winds 10 to 15 kt. Seas 3 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU...S of 21N W of 95W, E to SE winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, NE winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...HURRICANE CONDITIONS POSSIBLE. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. $$ GMZ025-180315- E Bay of Campeche including Campeche Bank- 1106 AM EDT Tue Aug 17 2021 ...TROPICAL STORM WARNING... .TODAY...SE winds 10 to 15 kt in the afternoon. Seas 3 ft or less. .TONIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. .WED...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Campeche, NE winds 15 to 20 kt. Elsewhere, NE to E winds 15 to 20 kt, increasing to 25 to 30 kt late. Seas 3 to 5 ft. .THU...HURRICANE CONDITIONS POSSIBLE. Within 60 nm of coast of Campeche, NE to E winds 10 kt, becoming NW to N 40 to 45 kt in the afternoon. Seas 3 to 5 ft. Elsewhere, NE to E winds 25 to 30 kt, becoming N to NE 40 to 45 kt in the afternoon. Seas 6 to 8 ft, building to 7 to 11 ft in the afternoon. Scattered showers and isolated tstms. .THU NIGHT...HURRICANE CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft within 60 nm of coast of Campeche, and 7 to 11 ft elsewhere. $$ Forecaster GR