000 FZNT24 KNHC 092136 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 536 PM EDT Sat Sep 9 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. GMZ001-100945- Synopsis for the Gulf of Mexico 536 PM EDT Sat Sep 9 2017 .SYNOPSIS...Major Hurricane Irma near 23.4N 80.5W along the coast of Cuba, 938 mb at 5 PM EDT moving WNW at 8 kt into the Straits of Florida. Maximum sustained winds 110 kt gusts 135 kt. Irma will reach 24.1N 81.W tonight, then continue N along the W coast of Florida, reaching 25.7N 82.0W Sun afternoon, 25.7N 82.0W Sun night, 28.3N 82.6W Mon afternoon, then farther inland to 31.2N 83.8W Tue afternoon, before dissipating farther N through mid week. $$ GMZ011-100945- NW Gulf including Stetson Bank- 536 PM EDT Sat Sep 9 2017 .TONIGHT...NE winds 15 to 20 kt. Seas 5 ft. .SUN...NE winds 15 kt. Seas 5 to 6 ft. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 6 to 8 ft. .MON...N to NE winds 15 kt. Seas 6 to 8 ft in E swell. .MON NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft in E swell. .TUE...NW to N winds 5 to 10 kt. Seas 4 to 6 ft in NE to E swell. .TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. .WED...S to SW winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...S winds 10 to 15 kt. Seas 2 ft or less. .THU...S winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ013-100945- N Central Gulf including Flower Garden Banks Marine Sanctuary- 536 PM EDT Sat Sep 9 2017 .TONIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. .SUN...NE winds 20 to 25 kt. Seas 7 to 10 ft in NE to E swell. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 8 to 13 ft in NE to E swell. .MON...N winds 20 to 25 kt. Seas 8 to 13 ft in NE to E swell. .MON NIGHT...NW to N winds 15 to 20 kt. Seas 7 to 10 ft in NE swell. .TUE...NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 4 ft. .WED...SW to W 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...SW to W winds 5 to 10 kt, shifting to SE late. Seas 2 ft or less. $$ GMZ015-100945- NE Gulf N of 25N E of 87W- 536 PM EDT Sat Sep 9 2017 ...HURRICANE WARNING... .TONIGHT...TROPICAL STORM CONDITIONS. N to NE winds 35 to 45 kt S of 27N, and NE 20 to 25 kt elsewhere. Seas 10 to 12 ft. Scattered showers and isolated thunderstorms. .SUN...HURRICANE CONDITIONS EXPECTED. S of 27N, N winds 65 to 85 kt. Elsewhere, NE winds 25 to 30 kt, becoming N to NE 35 to 40 kt in the afternoon. Seas 16 to 21 ft S of 27N, and 11 to 13 ft elsewhere. Scattered showers and isolated thunderstorms. VSBY 1 NM or less. .SUN NIGHT...S of 27N, NW to N winds 55 to 65 kt, becoming NW 40 to 50 kt late. Elsewhere, N winds 45 to 55 kt. Seas 22 to 23 ft S of 27N, and 17 to 19 ft elsewhere. Scattered showers and isolated thunderstorms. .MON...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, NW winds 25 to 30 kt. Elsewhere, NW winds 40 to 50 kt, diminishing to 30 to 35 kt in the afternoon. Seas 16 to 18 ft. Scattered showers and isolated thunderstorms. .MON NIGHT...W to NW winds 20 to 25 kt. Seas 9 to 14 ft in NW to N swell. .TUE...W winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. .WED...S to SW winds 5 to 10 kt. Seas 3 ft. .WED NIGHT...S to SW winds 5 to 10 kt. Seas 3 ft. .THU...SW winds 5 to 10 kt. Seas 3 ft in the morning, becoming 2 ft or less. .THU NIGHT...S winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ017-100945- W Central Gulf from 22N to 26N W of 94W- 536 PM EDT Sat Sep 9 2017 .TONIGHT...N to NE winds 15 to 20 kt. Seas 4 to 5 ft. Scattered thunderstorms. .SUN...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 6 to 8 ft. .MON...N winds 10 to 15 kt. Seas 6 to 9 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 5 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 3 ft. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 2 ft or less. $$ GMZ019-100945- Central Gulf from 22N to 26N between 87W and 94W- 536 PM EDT Sat Sep 9 2017 .TONIGHT...N to NE winds 15 to 20 kt. Seas 6 to 9 ft. .SUN...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in NE to E swell. .SUN NIGHT...N winds 15 to 20 kt. Seas 8 to 11 ft in NE to E swell. .MON...N winds 15 to 20 kt. Seas 8 to 11 ft in NE swell. .MON NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft in NE swell. .TUE...NW winds 5 to 10 kt. Seas 5 to 7 ft in N to NE swell. .TUE NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 5 ft. .WED...SW winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 ft or less. .THU...S to SW winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...SW winds less than 5 kt, shifting to E to SE late. Seas 2 ft or less. $$ GMZ021-100945- E Gulf from 22N to 25N E of 87W including Straits of Florida- 536 PM EDT Sat Sep 9 2017 ...HURRICANE WARNING... .TONIGHT...HURRICANE CONDITIONS. NW to N winds 75 to 95 kt Straits of Florida, and N 30 to 40 kt elsewhere. Straits of Florida, seas 33 ft. Elsewhere, seas 13 ft, building to 18 ft late. Scattered showers and isolated thunderstorms. VSBY 1 NM or less. .SUN...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, NW winds 45 to 50 kt, diminishing to 30 to 35 kt in the afternoon. Seas 26 ft, subsiding to 19 ft in the afternoon. Elsewhere, NW to N winds 40 to 50 kt. Seas 19 to 21 ft. Scattered showers and isolated thunderstorms. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Straits of Florida, NW winds 25 to 30 kt, becoming W to NW 15 to 20 kt late. Elsewhere, NW to N winds 35 to 40 kt, becoming NW 25 to 30 kt late. Seas 15 to 16 ft. .MON...W to NW winds 15 to 20 kt. Seas 9 to 14 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 to 10 kt. Seas 5 to 7 ft in NW to N swell. .TUE NIGHT...S to SW winds less than 5 kt. Seas 3 to 5 ft in NW to N swell. .WED...S to SW winds 5 to 10 kt. Seas 3 to 4 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. $$ GMZ023-100945- SW Gulf S of 22N W of 94W- 536 PM EDT Sat Sep 9 2017 .TONIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers. .SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. Scattered thunderstorms. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NW to N winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft in NE swell. .WED...SW winds 5 to 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less. $$ GMZ025-100945- E Bay of Campeche including Campeche Bank- 536 PM EDT Sat Sep 9 2017 .TONIGHT...N to NE winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers. .SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers. .MON...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 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 winds less than 5 kt. Seas 3 to 4 ft in N to NE swell. .WED NIGHT...S winds less than 5 kt, shifting to E late. Seas 2 ft or less. .THU...SE winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less. $$ Forecaster Christensen