000 FZNT24 KNHC 082048 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 448 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. GMZ001-090900- Synopsis for the Gulf of Mexico 448 PM EDT Fri Sep 8 2017 .SYNOPSIS...Hurricane Katia centered near 21.0N 96.5W 972 mb at 5 PM EDT moving WSW at 4 kt. Maximum winds 90 kt with gusts to 110 kt. Katia will move inland late this evening, and reach near 20.6N 96.4W tonight, with maximum sustained wind of 85 kt gusts to 105 kt, then weaken through early Sat as it moves near 20.0N 98.0W before dissipating 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. $$ GMZ011-090900- NW Gulf including Stetson Bank- 448 PM EDT Fri Sep 8 2017 .TONIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. Scattered showers. .SAT...NE winds 15 to 20 kt. Seas 6 to 7 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft. .SUN...NE winds 15 kt. Seas 5 to 6 ft. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 6 ft. .MON...N to NE winds 15 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NW to N winds 5 to 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft in the evening, becoming 2 ft or less. .WED...S to SW winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ013-090900- N Central Gulf including Flower Garden Banks Marine Sanctuary- 448 PM EDT Fri Sep 8 2017 .TONIGHT...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 to W winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ015-090900- NE Gulf N of 25N E of 87W- 448 PM EDT Fri Sep 8 2017 ...TROPICAL STORM WARNING... .TONIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft, building to 5 to 6 ft late. Scattered showers. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 25 kt. Seas 7 to 8 ft. Scattered showers. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, N to NE winds 25 to 30 kt, increasing to 40 to 45 kt late. Elsewhere, NE winds 25 to 30 kt. Seas 10 to 11 ft. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, N winds 45 to 60 kt. Seas 15 to 19 ft. Elsewhere, N to NE winds 30 to 35 kt. Seas 11 to 12 ft. Scattered showers and isolated thunderstorms. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. S of 27N, NW to N winds 40 to 50 kt. Seas 17 to 19 ft. Elsewhere, N winds 35 to 40 kt. Seas 15 to 17 ft. Scattered showers and isolated thunderstorms. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...W to NW winds 20 to 25 kt. Seas 6 to 9 ft. .TUE...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SW winds 5 to 10 kt. Seas 3 ft. .WED NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ017-090900- W Central Gulf from 22N to 26N W of 94W- 448 PM EDT Fri Sep 8 2017 .TONIGHT...NE to E winds 10 to 15 kt. Seas 7 to 10 ft in SE to S swell. Scattered showers. .SAT...NE winds 15 to 20 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 5 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...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 5 to 10 kt. Seas 2 ft or less. $$ GMZ019-090900- Central Gulf from 22N to 26N between 87W and 94W- 448 PM EDT Fri Sep 8 2017 .TONIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...N to NE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...N to NE winds 15 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 6 to 9 ft. .MON...N winds 10 to 15 kt. Seas 6 to 9 ft in NE swell. .MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NW winds 5 to 10 kt. Seas 4 to 6 ft in NE swell. .TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .WED...SW winds 5 to 10 kt. Seas 3 ft. .WED NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. $$ GMZ021-090900- E Gulf from 22N to 25N E of 87W including Straits of Florida- 448 PM EDT Fri Sep 8 2017 ...HURRICANE WARNING... .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N to NE winds 20 to 25 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 85 to 95 kt in the afternoon. Seas 6 ft, building to 17 ft in the afternoon. Elsewhere, N to NE winds 20 to 25 kt. Seas 7 to 8 ft. .SAT NIGHT...HURRICANE CONDITIONS EXPECTED. NW to N winds 95 to 115 kt Straits of Florida, and N 30 to 35 kt elsewhere. Straits of Florida, seas 28 to 32 ft. Elsewhere, seas 10 ft, building to 15 ft late. Scattered showers and isolated thunderstorms. VSBY 1 NM or less. .SUN...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, NW to N winds 50 to 55 kt, becoming NW 30 to 35 kt in the afternoon. Seas 26 ft, subsiding to 17 ft in the afternoon. Elsewhere, NW to N winds 35 to 40 kt. Seas 14 to 17 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 30 to 35 kt, diminishing to 20 to 25 kt late. Seas 11 to 12 ft. .MON...NW winds 10 to 15 kt. Seas 7 to 10 ft in N swell. .MON NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...SW to W winds 5 kt. Seas 3 to 5 ft. .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. $$ GMZ023-090900- SW Gulf S of 22N W of 94W- 448 PM EDT Fri Sep 8 2017 ...HURRICANE WARNING... .TONIGHT...TROPICAL STORM CONDITIONS. S of 21N W of 95W, SW winds 60 to 65 kt. Seas 20 to 22 ft. Elsewhere, SE to S winds 60 to 65 kt, becoming E 45 to 50 kt late. Seas 18 ft, subsiding to 12 ft late. Scattered showers and isolated thunderstorms. .SAT...TROPICAL STORM CONDITIONS EXPECTED. S of 21N W of 95W, E winds 45 to 50 kt, becoming N 15 to 20 kt in the afternoon. Elsewhere, NE to E winds 30 to 35 kt, becoming N to NE 10 to 15 kt in the afternoon. Seas 10 ft, subsiding to 5 ft in the afternoon. Scattered thunderstorms. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers. .SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. Scattered thunderstorms. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NW winds 5 to 10 kt. Seas 4 to 6 ft in NE swell. .TUE NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. .WED...S to SW winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. $$ GMZ025-090900- E Bay of Campeche including Campeche Bank- 448 PM EDT Fri Sep 8 2017 .TONIGHT...N to NE winds 5 to 10 kt. Seas 4 to 6 ft in W to NW swell. .SAT...N to 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 to 5 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 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