000 FZNT24 KNHC 102103 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 503 PM EDT Sun Sep 10 2017 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. GMZ001-110915- Synopsis for the Gulf of Mexico 503 PM EDT Sun Sep 10 2017 .SYNOPSIS...Major Hurricane Irma is moving onshore into SW Florida near 26.2N 81.8W, 940 mb at 5 PM EDT moving N at 12 kt. Maximum sustained winds 95 kt gusts 115 kt. Irma will continue N reaching 28.0N 82.5W tonight, then weakening to a tropical storm as it reaches 30.7N 83.9W Mon morning, then will move on to 33.1N 86.0W Mon night before weakening to a depression near 34.5N 88.3W by Tue afternoon. Irma will gradually dissipate through mid week as it moves farther north. A weak pressure pattern will set up across the Gulf in the wake of Irma through the remainder of the week. $$ GMZ011-110915- NW Gulf including Stetson Bank- 503 PM EDT Sun Sep 10 2017 .TONIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. .MON...N to NE winds 15 kt. Seas 6 to 7 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NW to N winds 5 to 10 kt. Seas 4 to 6 ft in NE to E swell. .TUE NIGHT...NW to N winds 5 to 10 kt, shifting to SW to W late. Seas 3 to 4 ft in the evening, becoming 2 ft or less. .WED...SW winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...S winds 10 to 15 kt. Seas 2 ft or less. .THU...S winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less. .FRI...SE to S winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ013-110915- N Central Gulf including Flower Garden Banks Marine Sanctuary- 503 PM EDT Sun Sep 10 2017 .TONIGHT...N to NE winds 20 to 25 kt. Seas 8 to 11 ft in NE to E swell. Scattered showers and isolated thunderstorms. .MON...N winds 20 to 25 kt. Seas 8 to 11 ft in NE to E swell. .MON NIGHT...NW to N winds 15 to 20 kt. Seas 6 to 9 ft. .TUE...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...W winds 5 to 10 kt. Seas 3 ft in the evening, becoming 2 ft or less. .WED...SW winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 ft or less. .THU...SW winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...S to SW winds less than 5 kt, shifting to E to SE late. Seas 2 ft or less. .FRI...SE winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ015-110915- NE Gulf N of 25N E of 87W- 503 PM EDT Sun Sep 10 2017 ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS. NW to N winds 45 to 55 kt. S of 27N, seas 26 to 28 ft. Elsewhere, seas 19 ft, building to 25 ft late. Numerous showers and isolated thunderstorms. VSBY 1 NM or less. .MON...TROPICAL STORM CONDITIONS EXPECTED. NW winds 30 to 35 kt S of 27N, and NW 45 to 55 kt elsewhere. S of 27N, seas 21 ft, subsiding to 15 ft in the afternoon. Elsewhere, seas 25 ft, subsiding to 19 ft in the afternoon. Scattered showers and isolated thunderstorms. .MON NIGHT...W to NW winds 15 to 20 kt S of 27N, and W to NW 20 to 30 kt elsewhere. Seas 8 to 11 ft in NW to N swell. .TUE...W winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 4 ft. .WED...S to SW winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. .THU...SW winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...S winds 5 to 10 kt. Seas 2 ft or less. .FRI...SE winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ017-110915- W Central Gulf from 22N to 26N W of 94W- 503 PM EDT Sun Sep 10 2017 .TONIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. .MON...N winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. .MON NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. .TUE...NW to N winds 5 to 10 kt. Seas 5 to 7 ft in NE to E swell. .TUE NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft in NE swell. .WED...S to SW winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 2 ft or less. .THU...SE to S winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. .FRI...SE to S winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less. $$ GMZ019-110915- Central Gulf from 22N to 26N between 87W and 94W- 503 PM EDT Sun Sep 10 2017 .TONIGHT...N winds 15 to 20 kt. Seas 8 to 11 ft in NE to E swell. .MON...N winds 15 to 20 kt. Seas 8 to 11 ft in NE swell. .MON NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft in NE swell. .TUE...NW winds 5 to 10 kt. Seas 5 to 7 ft in N to NE swell. .TUE NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 5 ft. .WED...SW winds 5 to 10 kt. Seas 3 ft in the morning, becoming 2 ft or less. .WED NIGHT...SW to W winds 5 to 10 kt, shifting to S late. Seas 2 ft or less. .THU...S winds 5 kt. Seas 2 ft or less. .THU NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. .FRI...SE winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less. $$ GMZ021-110915- E Gulf from 22N to 25N E of 87W including Straits of Florida- 503 PM EDT Sun Sep 10 2017 ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, NW winds 25 to 30 kt, diminishing to 15 to 20 kt late. Elsewhere, NW to N winds 35 to 40 kt, becoming NW 25 to 30 kt late. Seas 14 to 18 ft Straits of Florida, and 18 to 22 ft elsewhere. Scattered showers. .MON...W to NW winds 5 to 10 kt Straits of Florida, and NW 15 to 20 kt elsewhere. Seas 10 to 15 ft in N swell. .MON NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft in N swell. .TUE...SW to W winds 5 kt. Seas 5 to 7 ft in NW to N swell. .TUE NIGHT...S to SW winds less than 5 kt. Seas 3 to 4 ft in NW to N swell. .WED...S to SW winds 5 to 10 kt. Seas 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 3 ft in the evening, becoming 2 ft or less. .THU...S to SW winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds 5 to 10 kt. Seas 2 ft or less. .FRI...SE to S winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ023-110915- SW Gulf S of 22N W of 94W- 503 PM EDT Sun Sep 10 2017 .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers. .MON...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers. .MON NIGHT...NW to N winds 15 to 20 kt. Seas 5 to 7 ft. .TUE...NW to N winds 5 to 10 kt. Seas 5 to 7 ft in NE swell. .TUE NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft in NE swell. .WED...S to SW winds less than 5 kt. Seas 3 to 4 ft in NE swell. .WED NIGHT...E to SE winds 5 to 10 kt. Seas 3 ft. .THU...SE winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. .FRI...SE winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ025-110915- E Bay of Campeche including Campeche Bank- 503 PM EDT Sun Sep 10 2017 .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NW winds 5 to 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .WED...SW to W winds less than 5 kt. Seas 3 ft in N to NE swell in the morning, becoming 2 ft or less. .WED NIGHT...NW winds less than 5 kt, shifting to NE to E late. Seas 2 ft or less. .THU...SE winds less than 5 kt. Seas 2 ft or less. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less. .FRI...E to SE winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 2 ft or less. $$ Forecaster Christensen