Offshore Marine Forecast
000 FZNT24 KNHC 210903 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 403 AM EST Tue Jan 21 2025 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. GMZ001-212115- Synopsis for the Gulf of Mexico 403 AM EST Tue Jan 21 2025 .SYNOPSIS...A low pressure has developed over the NW Gulf. This low will track southeastward through Wed, dragging a strong cold front across the entire basin. Strong high pressure behind the front is inducing gale-force N to NE winds currently, likely becoming strong gales and expanding across much of the northern and western Gulf this afternoon through early Wed, with the potential for gusts to storm force across portions of the west and central Gulf. The front is forecast to exit the basin by Wed morning with winds diminishing in the afternoon hours. Mariners are urged to exercise extreme caution across the basin due to the expansive area of gale-force winds and a large area of very rough to high seas in the area. Looking ahead, a surface trough is forecast to develop along the E Mexican offshore waters by Thu evening with strong winds possibly reaching gale-force by Fri morning. Gales off Veracruz will diminish by Fri evening. $$ GMZ040-212115- NW Gulf including Stetson Bank- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... .TODAY...N to NE winds 30 to 40 kt. Seas 12 to 19 ft in NE swell. Scattered showers. .TONIGHT...N winds 25 to 30 kt, becoming N to NE 15 to 20 kt late. Seas 10 to 16 ft in E swell. .WED...N to NE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 7 to 10 ft in E swell. .WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in E swell. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N to NE winds 15 to 20 kt. Seas 3 to 5 ft. .FRI...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 20 to 25 kt. Seas 4 to 6 ft. .SAT NIGHT...SE to S winds 20 to 25 kt. Seas 6 to 9 ft in SE swell. $$ GMZ041-212115- SW Louisiana Offshore Waters including Flower Garden Bank Marine Sanctuary- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... .TODAY...NE winds 25 to 35 kt, shifting to N to NE 35 to 40 kt in the afternoon. Seas 12 to 18 ft in NE swell. Numerous showers and scattered tstms. .TONIGHT...N to NE winds 30 kt, diminishing to 20 to 25 kt late. Seas 11 to 17 ft in NE to E swell. Scattered showers. .WED...NE winds 10 to 15 kt. Seas 7 to 10 ft in E swell. .WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in E swell. .THU...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE winds 15 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 20 kt. Seas 5 to 7 ft. $$ GMZ056-212115- N Central Gulf Offshore Waters- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... .TODAY...W of 89W, NE to E winds 25 kt, becoming NE 30 to 40 kt in the afternoon. E of 89W, NE to E winds 20 to 25 kt. Seas 8 to 12 ft in NE to E swell, building to 12 to 19 ft in NE swell in the afternoon. Scattered tstms. .TONIGHT...N to NE winds 30 to 40 kt, diminishing to 25 kt late. Seas 11 to 17 ft in NE swell. Scattered showers and isolated tstms. .WED...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in NE swell. .WED NIGHT...NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 4 to 6 ft in NE to E swell. .THU...N winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...N winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ057-212115- NE Gulf N of 26N E of 87W- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... .TODAY...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers. .TONIGHT...N to NE winds 25 to 35 kt. Seas 9 to 14 ft in N swell. Scattered showers and isolated tstms. .WED...N to NE winds 20 to 25 kt. Seas 7 to 10 ft in N to NE swell. .WED NIGHT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft in NE swell. .THU...N winds 10 to 15 kt. Seas 2 to 4 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...NW to N winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ058-212115- W Central Gulf from 22N to 26N W of 94W- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... ...GALE CONDITIONS POSSIBLE FRI... .TODAY...W of 96W, NW to N winds 35 to 45 kt. E of 96W, W to NW winds 25 to 30 kt, shifting to N 30 to 40 kt in the afternoon. Seas 13 to 20 ft in N swell. Scattered showers. .TONIGHT...N winds 30 to 40 kt, diminishing to 20 to 25 kt late. Seas 14 to 22 ft in NE to E swell. Scattered showers. .WED...N winds 15 to 20 kt, shifting to N to NE 10 kt in the afternoon. Seas 10 to 15 ft in NE to E swell. .WED NIGHT...E winds 10 kt. Seas 6 to 9 ft in NE to E swell. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell. .THU NIGHT...N to NE winds 20 to 25 kt W of 96W, and NE to E 15 to 20 kt E of 96W. Seas 6 to 9 ft in NE to E swell. .FRI...W of 96W, N winds 20 to 35 kt. Seas 7 to 11 ft. E of 96W, NE winds 15 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft in NE swell. .SAT...SE to S winds 20 to 25 kt. Seas 6 to 8 ft in E swell. .SAT NIGHT...SE winds 20 to 25 kt. Seas 6 to 9 ft in E to SE swell. $$ GMZ045-212115- W Central Gulf from 22N to 26N between 91W and 94W- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... .TODAY...S of 24N, SW winds in the afternoon. Winds SE 15 to 20 kt in the morning. N of 24N, N to NE winds 30 to 40 kt in the afternoon. Seas 9 to 14 ft in NE swell, building to 13 to 20 ft in NE swell in the afternoon. Scattered tstms. .TONIGHT...N to NE winds 30 to 40 kt. Seas 15 to 23 ft in NE swell. Scattered showers. .WED...N to NE winds 15 to 20 kt. Seas 10 to 16 ft in NE swell. .WED NIGHT...S of 24N, NE winds 10 to 15 kt. N of 24N, N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Seas 7 to 10 ft in NE to E swell. .THU...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft in NE to E swell. .FRI...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E to SE winds 20 kt. Seas 5 to 7 ft. $$ GMZ046-212115- Central Gulf from 22N to 26N between 87W and 91W- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... .TODAY...E to SE winds 20 to 25 kt. Seas 6 to 9 ft in NE swell, building to 12 to 19 ft in NE swell in the afternoon. Scattered tstms. .TONIGHT...S of 24N, S winds 10 to 15 kt, becoming N to NE 25 to 35 kt late. N of 24N, NE to E winds 30 to 40 kt, shifting to N to NE 25 to 30 kt late. Seas 13 to 20 ft in N to NE swell. Scattered showers and isolated tstms. .WED...N to NE winds 20 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 10 to 15 ft in NE swell. .WED NIGHT...N to NE winds 10 to 15 kt. Seas 7 to 10 ft in NE swell. .THU...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in NE swell. .THU NIGHT...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 15 kt. Seas 5 to 7 ft in NE to E swell. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. $$ GMZ047-212115- SE Gulf from 22N to 26N E of 87W including Straits of Florida- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... .TODAY...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in N to NE swell. .TONIGHT...S of 24N, E to SE winds 10 kt, shifting to S to SW late. N of 24N, E winds 10 kt, becoming N to NE 25 to 35 kt late. Seas 10 to 15 ft in N swell. Scattered showers. .WED...N to NE winds 20 to 30 kt. Seas 10 to 16 ft in N swell. .WED NIGHT...N to NE winds 15 to 20 kt. Seas 7 to 11 ft in N swell. .THU...N to NE winds 15 to 20 kt. Seas 6 to 8 ft S of 24N, and 4 to 6 ft N of 24N. .THU NIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft in NE swell. .FRI...N winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...N to NE winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE swell. .SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. $$ GMZ048-212115- SW Gulf S of 22N W of 94W- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... ...GALE CONDITIONS POSSIBLE FRI... .TODAY...S of 21N W of 95W, NW winds 10 to 15 kt, becoming NW to N 35 kt in the afternoon. Elsewhere, NW winds 20 to 25 kt, becoming NW to N 30 to 40 kt in the afternoon. Seas 8 to 12 ft in NE swell, building to 14 to 21 ft in N to NE swell in the afternoon. Scattered showers. .TONIGHT...NW to N winds 30 to 40 kt. Seas 15 to 23 ft in NW to N swell. Scattered showers. .WED...NW to N winds 25 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 12 to 19 ft in N to NE swell. Scattered showers. .WED NIGHT...N to NE winds 10 to 15 kt. Seas 8 to 12 ft in NE swell. .THU...N winds 10 to 15 kt. Seas 6 to 8 ft in NE swell. .THU NIGHT...N winds 20 to 25 kt. Seas 6 to 9 ft in NE swell. .FRI...NW to N winds 25 to 35 kt S of 21N W of 95W, and N to NE 20 to 25 kt elsewhere. Seas 9 to 13 ft in N to NE swell. .FRI NIGHT...S of 21N W of 95W, NW to N winds 25 to 30 kt, diminishing to 15 to 20 kt late. Elsewhere, NE to E winds 15 to 20 kt. Seas 7 to 11 ft in NW to N swell. .SAT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in N swell. .SAT NIGHT...SE winds 15 to 20 kt. Seas 6 to 8 ft in NE to E swell. $$ GMZ049-212115- Central Bay of Campeche- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... .TODAY...SE winds 10 to 15 kt, becoming W 20 to 25 kt in the afternoon. Seas 5 to 7 ft in N to NE swell, building to 7 to 11 ft in N to NE swell in the afternoon. Scattered showers. .TONIGHT...NW to N winds 30 to 40 kt. Seas 15 to 23 ft in NW swell. Scattered showers. .WED...N to NE winds 20 to 25 kt. Seas 12 to 18 ft in N swell. Scattered showers. .WED NIGHT...NE winds 10 to 15 kt. Seas 8 to 12 ft in N to NE swell. .THU...NE to E winds 15 to 20 kt. Seas 5 to 7 ft in N to NE swell. .THU NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in NE swell. .FRI NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in NE swell. .SAT...E winds 15 to 20 kt. Seas 6 to 9 ft in N to NE swell. .SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. $$ GMZ050-212115- E Bay of Campeche including Campeche Bank- 403 AM EST Tue Jan 21 2025 ...GALE WARNING... .TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft in N to NE swell. .TONIGHT...W of 90W, W to NW winds 20 to 25 kt, shifting to N 25 to 35 kt late. E of 90W, NW winds 10 to 15 kt, becoming NW to N 25 to 30 kt late. Seas 9 to 13 ft in N to NE swell, building to 13 to 20 ft in NW swell late. Scattered showers. .WED...N to NE winds 20 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 10 to 15 ft in NW to N swell. .WED NIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft in N swell. .THU...NE winds 15 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. $$ Forecaster ERA