000 FZNT24 KNHC 190319 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 1119 PM EDT Wed Aug 18 2021 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. GMZ001-191530- Synopsis for the Gulf of Mexico 1119 PM EDT Wed Aug 18 2021 .SYNOPSIS...Hurricane Grace near 19.8N 85.6W 988 mb at 11 PM EDT moving W at 16 kt. Maximum sustained winds 70 kt gusts 85 kt. Grace will move inland to 20.3N 88.1W Thu morning, weaken to a tropical storm near 20.6N 91.4W Thu evening, strengthen to a hurricane near 20.7N 94.0W Fri morning, 20.5N 96.1W Fri evening, move inland and weaken to a tropical storm near 20.0N 98.8W Sat morning, and move inland and weaken to a tropical depression near 19.7N 101.6W Sat evening. Grace will dissipate late Sun. Winds and seas will begin to increase across the southeastern Gulf ahead of Grace tonight. These conditions will shift to west of 90W Thu through late Fri night. $$ GMZ011-191530- NW Gulf including Stetson Bank- 1119 PM EDT Wed Aug 18 2021 .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...SE winds 15 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...SE winds 15 to 20 kt. Seas 6 to 9 ft. .SAT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .MON...E winds 10 kt. Seas 3 ft or less. $$ GMZ013-191530- N Central Gulf including Flower Garden Banks Marine Sanctuary- 1119 PM EDT Wed Aug 18 2021 .OVERNIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 20 to 25 kt. Seas 6 to 9 ft W of 90W, and 5 to 7 ft elsewhere. .FRI...E to SE winds 15 to 20 kt. Seas 6 to 9 ft W of 90W, and 4 to 6 ft elsewhere. .FRI NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft W of 90W, and 2 to 4 ft elsewhere. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft W of 90W, and 3 ft or less elsewhere. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft W of 90W, and 3 ft or less elsewhere. .SUN...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 kt. Seas 3 ft or less. .MON...N to NE winds 10 kt. Seas 3 ft or less. $$ GMZ015-191530- NE Gulf N of 25N E of 87W- 1119 PM EDT Wed Aug 18 2021 .OVERNIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft S of 27N, and 3 ft or less elsewhere. .THU...S of 27N, E winds 15 to 20 kt. Seas 6 to 8 ft. Elsewhere, E winds 10 kt. Seas 3 to 5 ft. .THU NIGHT...S of 27N, NE to E winds 10 to 15 kt. Elsewhere, N winds 10 kt, becoming variable less than 5 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...NE winds 10 kt. Seas 3 ft or less. .SAT...NE to E winds 10 kt. Seas 3 ft or less. .SAT NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .SUN...SE winds 10 kt. Seas 3 ft or less. .SUN NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .MON...SE winds 10 kt. Seas 3 ft or less. $$ GMZ017-191530- W Central Gulf from 22N to 26N W of 94W- 1119 PM EDT Wed Aug 18 2021 ...TROPICAL STORM WARNING... .OVERNIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. .THU...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 96W, E winds 15 to 20 kt. Elsewhere, E winds 15 to 20 kt, increasing to 30 to 35 kt late. Seas 4 to 6 ft W of 96W, and 6 to 9 ft elsewhere. Scattered showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. W of 96W, NE to E winds 15 to 20 kt, increasing to 30 to 35 kt. Seas 6 to 8 ft, building to 9 to 14 ft. Elsewhere, E winds 30 to 35 kt. Seas 12 to 18 ft. Scattered showers and isolated tstms. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 25 to 30 kt. Seas 12 to 19 ft W of 96W, and 10 to 16 ft elsewhere. Scattered showers and isolated tstms. .SAT...E to SE winds 20 to 25 kt. W of 96W, seas 9 to 14 ft, subsiding to 7 to 10 ft. Elsewhere, seas 7 to 11 ft. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft. .SUN...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ019-191530- Central Gulf from 22N to 26N between 87W and 94W- 1119 PM EDT Wed Aug 18 2021 ...TROPICAL STORM WARNING... .OVERNIGHT...E winds 25 to 30 kt S of 24N, and E to SE 20 to 25 kt elsewhere. S of 24N, seas 5 to 7 ft, building to 8 to 12 ft late. Elsewhere, seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...TROPICAL STORM CONDITIONS POSSIBLE. S of 24N, E winds 30 to 35 kt. Seas 9 to 14 ft. Elsewhere, E to SE winds 25 to 30 kt. Seas 7 to 11 ft. Scattered showers and isolated tstms. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, E to SE winds 30 to 35 kt. Seas 9 to 14 ft. Elsewhere, E to SE winds 25 to 30 kt. Seas 8 to 12 ft. Scattered showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. S of 24N, E to SE winds 30 to 35 kt. Seas 10 to 15 ft. Elsewhere, E to SE winds 20 to 25 kt. Seas 8 to 12 ft. Scattered showers and isolated tstms. .FRI NIGHT...E to SE winds 20 to 25 kt. Seas 7 to 11 ft. .SAT...E winds 20 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. .SUN...E winds 15 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft. .MON...E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ021-191530- E Gulf from 22N to 25N E of 87W including Straits of Florida- 1119 PM EDT Wed Aug 18 2021 .OVERNIGHT...E to SE winds 25 to 30 kt. Seas 8 to 12 ft, building to 11 to 17 ft late. Scattered showers and isolated tstms. .THU...E to SE winds 25 to 30 kt. Seas 10 to 15 ft, subsiding to 7 to 10 ft. Scattered showers and isolated tstms. .THU NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...NE to E winds 15 to 20 kt Straits of Florida, and E 10 kt elsewhere. Seas 2 to 4 ft. $$ GMZ023-191530- SW Gulf S of 22N W of 94W- 1119 PM EDT Wed Aug 18 2021 ...HURRICANE WARNING... .OVERNIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .THU...S of 21N W of 95W, variable winds less than 5 kt, becoming N to NE 10 kt. Elsewhere, NE to E winds 10 kt, shifting to N to NE 15 to 20 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 21N W of 95W, NW to N winds 10 to 15 kt. Elsewhere, N to NE winds 15 to 20 kt, becoming NW to N 60 to 65 kt late. Seas 3 to 5 ft, building to 7 to 10 ft late. Scattered showers and isolated tstms. .FRI...HURRICANE CONDITIONS EXPECTED. S of 21N W of 95W, NW winds 40 to 45 kt, becoming W to NW 60 to 70 kt. Elsewhere, NW to N winds 60 to 70 kt, shifting to E to SE. Seas 15 to 23 ft. Numerous showers and scattered tstms. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. S of 21N W of 95W, S winds 55 to 65 kt, becoming SE to S 25 to 30 kt late. Elsewhere, SE winds 35 to 40 kt, diminishing to 25 to 30 kt late. Seas 14 to 22 ft. Scattered showers and isolated tstms. .SAT...E to SE winds 20 to 25 kt. Seas 9 to 13 ft, subsiding to 6 to 9 ft. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 15 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .MON...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ025-191530- E Bay of Campeche including Campeche Bank- 1119 PM EDT Wed Aug 18 2021 ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. NE to E winds 15 to 20 kt within 60 nm of coast of Campeche, and NE to E 30 to 35 kt elsewhere. Seas 4 to 6 ft. Scattered showers and isolated tstms. .THU...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Campeche, N winds 35 to 40 kt, becoming W to NW 55 to 65 kt. Seas 2 to 4 ft, building to 5 to 7 ft. Elsewhere, NE winds 35 to 40 kt, becoming N to NE 50 to 55 kt. Seas 6 to 9 ft, building to 9 to 13 ft. Scattered showers and isolated tstms. .THU NIGHT...HURRICANE CONDITIONS EXPECTED. Within 60 nm of coast of Campeche, S to SW winds 45 to 50 kt, becoming SE to S 25 to 30 kt late. Elsewhere, NE to E winds 60 to 65 kt, shifting to SE to S late. Seas 6 to 9 ft within 60 nm of coast of Campeche, and 12 to 19 ft elsewhere. Scattered showers and isolated tstms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Campeche, SE winds 20 to 25 kt. Seas 4 to 6 ft. Elsewhere, SE to S winds 50 to 55 kt, becoming SE 25 to 30 kt. Seas 13 to 20 ft, subsiding to 9 to 13 ft. Scattered showers and isolated tstms. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Campeche, E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Elsewhere, SE winds 25 to 30 kt. Seas 6 to 9 ft. Scattered showers and isolated tstms. .SAT...E winds 20 to 25 kt. Seas 3 to 5 ft within 60 nm of coast of Campeche, and 6 to 8 ft elsewhere. .SAT NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. .SUN...NE to E winds 20 to 25 kt. Seas 3 to 5 ft. .SUN NIGHT...NE to E winds 20 to 25 kt. Seas 2 to 4 ft. .MON...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. $$ Forecaster Ramos