000 FZNT24 KNHC 080852 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 452 AM 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. GMZ001-082100- Synopsis for the Gulf of Mexico 452 AM EDT Fri Sep 8 2017 .SYNOPSIS...Hurricane Katia near 21.3N 95.4W 977 mb at 5 AM EDT moving WSW at 3 kt. Maximum sustained winds 80 kt gusts 100 kt. Katia is forecast to move to near 21.0N 96.0W this afternoon, then inland near 20.3N 97.0W late tonight, then to near 19.3N 98.2W Sat afternoon while weakening to a tropical storm inland, then dissipating Saturday night. Major Hurricane Irma is forecast to enter the eastern Straits of Florida Sat afternoon, then turn northward across the Florida peninsula Sat night and Sun, 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. $$ GMZ011-082100- NW Gulf including Stetson Bank- 452 AM EDT Fri Sep 8 2017 .TODAY...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. Scattered showers and isolated thunderstorms. .TONIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 15 to 20 kt. Seas 6 to 7 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft. .SUN...NE winds 15 kt. Seas 5 to 6 ft. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 6 ft. .MON...N to NE winds 15 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NW to N winds 5 to 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft in the evening, becoming 2 ft or less. $$ GMZ013-082100- N Central Gulf including Flower Garden Banks Marine Sanctuary- 452 AM EDT Fri Sep 8 2017 .TODAY...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. .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...NE winds 20 to 25 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. $$ GMZ015-082100- NE Gulf N of 25N E of 87W- 452 AM EDT Fri Sep 8 2017 ...TROPICAL STORM WARNING... .TODAY...NE winds 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft, building to 5 to 6 ft late. Scattered showers and isolated thunderstorms. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 25 kt. Seas 7 to 8 ft. Scattered showers and isolated thunderstorms. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, N to NE winds 25 to 30 kt, increasing to 35 to 40 kt late. Elsewhere, NE winds 25 to 30 kt. Seas 10 to 11 ft. Scattered showers and isolated thunderstorms. .SUN...HURRICANE CONDITIONS POSSIBLE. N winds 40 to 45 kt S of 27N, and N to NE 30 to 35 kt elsewhere. Seas 12 to 13 ft. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...W to NW winds 20 to 25 kt. Seas 6 to 9 ft. .TUE...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 4 ft. $$ GMZ017-082100- W Central Gulf from 22N to 26N W of 94W- 452 AM EDT Fri Sep 8 2017 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. W of 96W, NE winds 20 to 25 kt. Elsewhere, NE to E winds 35 to 40 kt, diminishing to 25 to 30 kt. Seas 9 ft W of 96W, and 10 to 12 ft elsewhere. Scattered showers and isolated thunderstorms through the day. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE to E winds 15 to 20 kt. Seas 8 to 9 ft. .SAT...NE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .SAT NIGHT...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .SUN...N to NE winds 15 to 20 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. $$ GMZ019-082100- Central Gulf from 22N to 26N between 87W and 94W- 452 AM EDT Fri Sep 8 2017 .TODAY...NE to E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...N to NE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...N to NE winds 15 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...N to NE winds 15 to 20 kt. Seas 6 to 9 ft. .MON...N winds 10 to 15 kt. Seas 6 to 9 ft in NE swell. .MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NW winds 5 to 10 kt. Seas 4 to 6 ft in NE swell. .TUE NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. $$ GMZ021-082100- E Gulf from 22N to 25N E of 87W including Straits of Florida- 452 AM EDT Fri Sep 8 2017 ...HURRICANE WARNING... .TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N to NE winds 20 to 25 kt. Seas 5 to 6 ft. .SAT...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, N to NE winds 35 to 40 kt, becoming N 50 to 55 kt in the afternoon. Elsewhere, N to NE winds 20 to 25 kt. Seas 7 to 9 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, NW to N winds 75 to 85 kt. Seas 17 to 19 ft. Elsewhere, N winds 30 to 35 kt. Seas 10 to 12 ft. Scattered showers and isolated thunderstorms. VSBY 1 NM or less. .SUN...HURRICANE CONDITIONS POSSIBLE. Straits of Florida, NW to N winds 45 to 50 kt, becoming NW 30 to 35 kt in the afternoon. Seas 19 ft, subsiding to 14 ft in the afternoon. Elsewhere, NW to N winds 30 to 35 kt. Seas 12 to 13 ft. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...NW winds 15 to 20 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. $$ GMZ023-082100- SW Gulf S of 22N W of 94W- 452 AM EDT Fri Sep 8 2017 ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS. S of 21N W of 95W, W to NW winds 45 to 50 kt, becoming W 60 to 75 kt. Seas 13 to 15 ft, building to 19 ft in the afternoon. Elsewhere, SW to W winds 60 to 70 kt, shifting to S 65 to 75 kt in the afternoon. Seas 20 to 21 ft. Scattered showers and isolated thunderstorms. VSBY 1 NM or less. .TONIGHT...HURRICANE CONDITIONS EXPECTED. S of 21N W of 95W, S to SW winds 65 to 75 kt. Seas 20 to 22 ft. Elsewhere, SE winds 60 to 65 kt, becoming E 35 to 40 kt late. Seas 18 ft, subsiding to 12 ft late. Scattered showers and isolated thunderstorms. VSBY 1 NM or less. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. S of 21N W of 95W, E to SE winds 35 to 40 kt, becoming N 5 to 10 kt in the afternoon. Seas 12 ft, subsiding to 4 ft in the afternoon. Elsewhere, NE winds 15 to 20 kt. Seas 8 ft, subsiding to 5 ft in the afternoon. Scattered showers and isolated thunderstorms. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. $$ GMZ025-082100- E Bay of Campeche including Campeche Bank- 452 AM EDT Fri Sep 8 2017 .TODAY...Within 60 nm of coast of Campeche, E winds 5 to 10 kt, shifting to SE to S in the afternoon. Elsewhere, SE winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .TONIGHT...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. .SAT NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. .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. $$ Forecaster Latto