000 FZNT24 KNHC 090258 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1058 PM EDT Fri Sep 8 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. GMZ001-091500- Synopsis for the Gulf of Mexico 1058 PM EDT Fri Sep 8 2017 .SYNOPSIS...Hurricane Katia centered near 22.1N 97.2W 988 mb at 11 PM EDT moving WSW at 6 kt. Maximum winds 65 kt with gusts to 80 kt. Katia will move inland late this evening and start to rapidly weaken to a tropical storm, reaching near 20.2N 97.9W early Sat with maximum sustained wind of 40 kt gusts to 50 kt. Katia will continue inland and eventually dissipate through late Sat. Major Hurricane Irma is forecast to enter the eastern Straits of Florida Sat afternoon, then turn northward across the Florida peninsula Sat night and Sunday, bringing tropical storm force and possibly hurricane force winds to eastern portions of the Straits of Florida and Florida Bay in the far SE Gulf late Sat into Sun. $$ GMZ011-091500- NW Gulf including Stetson Bank- 1058 PM EDT Fri Sep 8 2017 .OVERNIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. Scattered showers. .SAT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 5 ft. .SUN...NE winds 15 kt. Seas 5 to 6 ft. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. .MON...N to NE winds 15 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NW to N winds 5 to 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft in the evening, becoming 2 ft or less. .WED...S to SW winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...S winds 10 to 15 kt. Seas 2 ft or less. $$ GMZ013-091500- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1058 PM EDT Fri Sep 8 2017 .OVERNIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers. .SAT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. .SUN...N to 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 7 to 10 ft in NE to E swell. .MON...N winds 15 to 20 kt. Seas 7 to 10 ft in NE to E swell. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NW winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...W to NW winds 5 to 10 kt. Seas 3 ft in the evening, becoming 2 ft or less. .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. $$ GMZ015-091500- NE Gulf N of 25N E of 87W- 1058 PM EDT Fri Sep 8 2017 ...HURRICANE WARNING... .OVERNIGHT...NE winds 15 to 20 kt. Seas 6 ft. Scattered showers. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 25 kt. Seas 7 to 8 ft. Scattered showers. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, N to NE winds 25 to 30 kt, increasing to 40 to 45 kt late. Elsewhere, NE winds 25 to 30 kt. Seas 10 to 11 ft. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, N winds 50 to 70 kt. Elsewhere, NE winds 25 to 30 kt, becoming N to NE 35 to 40 kt in the afternoon. Seas 16 to 20 ft S of 27N, and 11 to 12 ft elsewhere. Scattered showers and isolated thunderstorms. VSBY 1 NM or less. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. S of 27N, NW to N winds 45 to 60 kt. Seas 16 to 20 ft. Elsewhere, N winds 40 to 50 kt. Seas 14 to 15 ft. Scattered showers and isolated thunderstorms. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...W to NW winds 20 to 25 kt. Seas 7 to 10 ft in NW to N swell. .TUE...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SW winds 5 to 10 kt. Seas 3 ft. .WED NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ017-091500- W Central Gulf from 22N to 26N W of 94W- 1058 PM EDT Fri Sep 8 2017 .OVERNIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft in SE to S swell. Scattered showers. .SAT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Scattered showers. .SAT NIGHT...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered thunderstorms. .SUN...N to NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...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 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...N winds 5 to 10 kt. Seas 3 to 5 ft. .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, becoming 3 ft late. $$ GMZ019-091500- Central Gulf from 22N to 26N between 87W and 94W- 1058 PM EDT Fri Sep 8 2017 .OVERNIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...N to NE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in NE swell. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in NE to E swell. .MON...N winds 10 to 15 kt. Seas 6 to 9 ft in NE swell. .MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NW winds 5 to 10 kt. Seas 4 to 6 ft in NE swell. .TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .WED...SW winds 5 to 10 kt. Seas 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ021-091500- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1058 PM EDT Fri Sep 8 2017 ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N to NE winds 15 to 20 kt. Seas 5 to 6 ft. Scattered showers. .SAT...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, N to NE winds 40 to 45 kt, becoming N 70 to 80 kt in the afternoon. Seas 6 ft, building to 12 ft in the afternoon. Elsewhere, N to NE winds 20 to 25 kt. Seas 7 to 8 ft. .SAT NIGHT...HURRICANE CONDITIONS EXPECTED. Straits of Florida, N winds 95 to 115 kt. Seas 24 to 26 ft. Elsewhere, N to NE winds 25 to 30 kt, becoming N 35 to 40 kt late. Seas 10 ft, building to 16 ft late. Scattered showers and isolated thunderstorms. VSBY 1 NM or less. .SUN...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, NW winds 70 to 80 kt, diminishing to 40 to 45 kt in the afternoon. Seas 23 ft, subsiding to 15 ft in the afternoon. Elsewhere, NW to N winds 40 to 50 kt. Seas 15 to 19 ft. Scattered showers and isolated thunderstorms. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Straits of Florida, NW winds 20 to 25 kt. Elsewhere, NW to N winds 40 to 45 kt, diminishing to 20 to 25 kt late. Seas 11 to 12 ft. .MON...NW winds 10 to 15 kt. Seas 8 to 11 ft in N swell. .MON NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft in N swell. .TUE...SW to W winds 5 kt. Seas 4 to 6 ft in N swell. .TUE NIGHT...S to SW winds 5 kt. Seas 3 to 4 ft. .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. $$ GMZ023-091500- SW Gulf S of 22N W of 94W- 1058 PM EDT Fri Sep 8 2017 ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. SW winds 50 to 55 kt S of 21N W of 95W, and E to SE 40 to 45 kt elsewhere. Seas 12 to 14 ft. Scattered showers and isolated thunderstorms. .SAT...S of 21N W of 95W, E winds 25 to 30 kt, becoming N to NE 15 to 20 kt in the afternoon. Elsewhere, NE winds 10 to 15 kt. Seas 6 to 8 ft, subsiding to 3 to 5 ft in the afternoon. Scattered thunderstorms. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers. .SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. Scattered thunderstorms. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NW winds 5 to 10 kt. Seas 4 to 6 ft in NE swell. .TUE NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. .WED...S to SW winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 ft. $$ GMZ025-091500- E Bay of Campeche including Campeche Bank- 1058 PM EDT Fri Sep 8 2017 .OVERNIGHT...N to NE winds 5 to 10 kt. Seas 4 to 6 ft in W to NW swell. .SAT...NE winds 5 to 10 kt. Seas 3 to 5 ft. Scattered showers. .SAT NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft. Scattered showers. .SUN...N winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...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 winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...E winds less than 5 kt. Seas 2 ft or less. $$ Forecaster Christensen