Offshore Marine Forecast
000 FZNT24 KNHC 180845 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 345 AM EST Sat Jan 18 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. GMZ001-182045- Synopsis for the Gulf of Mexico 345 AM EST Sat Jan 18 2025 .SYNOPSIS...Fresh southwest winds over the northern and western Gulf will continue today ahead of deepening low pressure in the south-central United States. A rather sharp cold front associated with the aforementioned low will enter the NW Gulf late this morning, followed initially by fresh northwest to north winds. These winds are forecast to increase to strong speeds by early Sun as the pressure gradient tightens between the front and building strong high pressure over the central U.S. Near gale to gale-force winds will be possible Sun and Sun night in the southwestern Gulf offshore of Tampico and offshore Veracruz. Rough seas are expected to accompany the winds. Looking ahead, low pressure is expected to form over the NW Gulf early next week, with an attendant potent cold front. The low will track eastward through mid-week dragging the cold front across the entire basin. Near gale to gale-force north to northeast winds are expected to move into most of the northern and western Gulf early next week. Rough to very rough seas are expected with these winds. Mariners are urged to exercise caution across the basin, including outside of the gale condition affected zones, due to the expansive area of strong to near-gale force winds and rough seas associated with successive frontal systems. $$ GMZ040-182045- NW Gulf including Stetson Bank- 345 AM EST Sat Jan 18 2025 ...GALE CONDITIONS POSSIBLE TUE AND TUE NIGHT... .TODAY...SW to W winds 15 to 20 kt, shifting to NW in the afternoon. Seas 5 to 7 ft. Isolated showers. .TONIGHT...N winds 20 kt. Seas 4 to 6 ft, building to 6 to 9 ft in NW to N swell early in the morning. .SUN...N winds 25 to 30 kt. Seas 7 to 10 ft in N to NE swell. .SUN NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft in N to NE swell. .MON...NE to E winds 20 to 25 kt. Seas 8 to 10 ft. .MON NIGHT...E winds 20 to 25 kt. Seas 9 to 13 ft in NE to E swell. .TUE...N to NE winds 25 to 35 kt. Seas 11 to 17 ft in NE to E swell. .TUE NIGHT...N to NE winds 20 to 30 kt, except N to NE 30 to 35 kt E of 95W diminishing to 20 to 25 kt late. Seas 10 to 16 ft. .WED...NE winds 15 to 20 kt. Seas 7 to 11 ft in NE to E swell. .WED NIGHT...E to SE winds 10 kt. Seas 6 to 8 ft in E swell. $$ GMZ041-182045- SW Louisiana Offshore Waters including Flower Garden Bank Marine Sanctuary- 345 AM EST Sat Jan 18 2025 ...GALE CONDITIONS POSSIBLE TUE AND TUE NIGHT... .TODAY...W winds 15 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. .SUN...N winds 20 to 25 kt. Seas 7 to 10 ft in NW to N swell. .SUN NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft in N to NE swell. .MON...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in NE swell. .MON NIGHT...NE to E winds 20 to 25 kt. Seas 8 to 12 ft in NE to E swell. .TUE...NE winds 30 to 35 kt. Seas 11 to 17 ft in NE to E swell. .TUE NIGHT...N to NE winds 25 to 35 kt. Seas 11 to 17 ft in NE swell. .WED...NE winds 15 to 20 kt. Seas 8 to 12 ft in NE to E swell. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. $$ GMZ056-182045- N Central Gulf Offshore Waters- 345 AM EST Sat Jan 18 2025 ...GALE CONDITIONS POSSIBLE TUE NIGHT... .TODAY...SW winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers. .TONIGHT...W to NW winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers. .SUN...NW to N winds 20 to 25 kt. Seas 7 to 10 ft in NW to N swell. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 7 to 10 ft in N swell. .MON...NE winds 20 kt. Seas 6 to 9 ft in N to NE swell. .MON NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in NE swell. .TUE...NE to E winds 20 to 25 kt. Seas 9 to 14 ft in E swell. .TUE NIGHT...N to NE winds 30 to 35 kt. Seas 10 to 16 ft. .WED...NE winds 20 to 25 kt. Seas 8 to 12 ft in NE swell. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in NE swell. $$ GMZ057-182045- NE Gulf N of 26N E of 87W- 345 AM EST Sat Jan 18 2025 .TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers. .TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers. .SUN...NW winds 20 to 25 kt. Seas 6 to 8 ft in W to NW swell. Scattered showers. .SUN NIGHT...N winds 20 to 25 kt. Seas 6 to 9 ft in NW swell. .MON...N to NE winds 20 kt. Seas 6 to 8 ft in NW to N swell. .MON NIGHT...NE winds 20 kt. Seas 6 to 8 ft in N to NE swell. .TUE...NE to E winds 20 kt. W of 85W, seas 5 to 7 ft, building to 7 to 11 ft early in the evening. E of 85W, seas 6 to 8 ft. .TUE NIGHT...N to NE winds 25 to 30 kt. Seas 9 to 13 ft. .WED...N to NE winds 20 to 25 kt. Seas 8 to 12 ft in N to NE swell. .WED NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft in N to NE swell. $$ GMZ058-182045- W Central Gulf from 22N to 26N W of 94W- 345 AM EST Sat Jan 18 2025 ...GALE WARNING... ...GALE CONDITIONS POSSIBLE TUE AND TUE NIGHT... .TODAY...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...N to NE winds 15 to 20 kt. Seas 3 to 5 ft, building to 6 to 8 ft in N to NE swell early in the morning. .SUN...N winds 20 to 30 kt, except with frequent gusts to 35 kt W of 96W. Seas 7 to 11 ft in N to NE swell. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 8 to 12 ft in N to NE swell. .MON...NE to E winds 15 to 20 kt. Seas 7 to 10 ft in NE swell. .MON NIGHT...E to SE winds 15 to 20 kt. Seas 7 to 10 ft in NE swell. .TUE...W of 96W, NW to N winds 20 to 30 kt, increasing to 35 to 40 kt early in the evening. E of 96W, NE to E winds 10 to 15 kt, becoming N 20 to 30 kt early in the evening. Seas 11 to 17 ft in NE to E swell. .TUE NIGHT...N winds 30 to 35 kt. Seas 12 to 19 ft in N to NE swell. .WED...N winds 20 to 25 kt, becoming N to NE 10 to 15 kt early in the evening. Seas 10 to 16 ft in NE swell. .WED NIGHT...E winds 10 to 15 kt. Seas 7 to 10 ft in NE swell. $$ GMZ045-182045- W Central Gulf from 22N to 26N between 91W and 94W- 345 AM EST Sat Jan 18 2025 ...GALE CONDITIONS POSSIBLE TUE NIGHT... .TODAY...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...S of 24N, variable winds less than 5 kt, becoming NE 10 kt early in the morning. N of 24N, W to NW winds 10 kt, shifting to N 15 to 20 kt early in the morning. Seas 4 to 6 ft. .SUN...N to NE winds 15 to 20 kt, increasing to 20 to 25 kt early in the evening. Seas 7 to 10 ft in N swell. .SUN NIGHT...NE winds 20 to 25 kt. Seas 7 to 11 ft in N swell. .MON...NE to E winds 20 kt. Seas 7 to 11 ft in N to NE swell. .MON NIGHT...E winds 20 to 25 kt. Seas 7 to 10 ft in NE swell. .TUE...E winds 15 to 20 kt. S of 24N, seas 6 to 9 ft, building to 10 to 15 ft early in the evening. N of 24N, seas 9 to 13 ft, building to 12 to 18 ft early in the evening. .TUE NIGHT...N to NE winds 25 to 35 kt. Seas 12 to 19 ft in N to NE swell. .WED...N to NE winds 20 to 25 kt. Seas 10 to 16 ft in N to NE swell. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 7 to 11 ft in NE swell. $$ GMZ046-182045- Central Gulf from 22N to 26N between 87W and 91W- 345 AM EST Sat Jan 18 2025 .TODAY...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...W to NW winds 15 to 20 kt, shifting to N 20 to 25 kt early in the evening. Seas 7 to 10 ft in NW to N swell. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 7 to 11 ft in NW to N swell. .MON...NE winds 20 kt. Seas 7 to 10 ft in N swell. .MON NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in NE swell. .TUE...E winds 20 to 25 kt. Seas 7 to 10 ft S of 24N, and 9 to 13 ft N of 24N. .TUE NIGHT...S of 24N, NE winds 10 kt, becoming N to NE 25 to 30 kt early in the morning. N of 24N, N to NE winds 20 to 30 kt. Seas 10 to 15 ft S of 24N, and 11 to 17 ft N of 24N. .WED...N to NE winds 20 to 25 kt. Seas 10 to 15 ft in N to NE swell. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 7 to 11 ft in N to NE swell. $$ GMZ047-182045- SE Gulf from 22N to 26N E of 87W including Straits of Florida- 345 AM EST Sat Jan 18 2025 .TODAY...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...S to SW winds 10 to 15 kt, becoming W to NW 15 to 20 kt early in the evening. Seas 5 to 7 ft in SW swell. Scattered showers. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 7 to 10 ft in NW swell. .MON...NE winds 20 to 25 kt. Seas 7 to 10 ft in NW to N swell. .MON NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in N swell. .TUE...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in NE swell. .TUE NIGHT...S of 24N, E winds 10 kt, shifting to N to NE early in the morning. N of 24N, NE to E winds 10 kt, becoming N to NE 20 to 25 kt early in the morning. Seas 7 to 11 ft S of 24N, and 9 to 13 ft N of 24N. .WED...N to NE winds 20 to 25 kt. Seas 9 to 13 ft in NW to N swell. .WED NIGHT...NE winds 15 to 20 kt. Seas 8 to 12 ft in N swell. $$ GMZ048-182045- SW Gulf S of 22N W of 94W- 345 AM EST Sat Jan 18 2025 ...GALE WARNING... ...GALE CONDITIONS POSSIBLE SUN NIGHT AND TUE NIGHT... .TODAY...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S of 21N W of 95W, variable winds less than 5 kt, becoming NW to N 15 to 20 kt early in the morning. Elsewhere, E to SE winds 10 kt, shifting to NW to N late. Seas 3 to 5 ft. .SUN...N winds 20 to 25 kt, except S of 20N W of 95W increasing to 30 to 35 kt in the afternoon. Seas 6 to 8 ft in N to NE swell, building to 8 to 12 ft in N swell early in the evening. Scattered showers. .SUN NIGHT...N winds 20 to 30 kt, except S of 20N W of 96W 25 to 35 kt. Seas 8 to 12 ft in N swell. .MON...N to NE winds 15 to 20 kt. Seas 7 to 11 ft in N to NE swell. .MON NIGHT...N to NE winds 10 to 15 kt, shifting to NW early in the morning. Seas 6 to 9 ft in N to NE swell. .TUE...NW winds 15 to 20 kt, becoming NW to N 20 to 30 kt early in the evening. S of 21N W of 95W, seas 6 to 8 ft, building to 10 to 16 ft early in the evening. Elsewhere, seas 7 to 11 ft, building to 12 to 19 ft early in the evening. .TUE NIGHT...NW to N winds 30 to 40 kt S of 21N W of 95W, and NW to N 25 to 35 kt elsewhere. Seas 12 to 19 ft in N swell. .WED...NW to N winds 20 to 30 kt. Seas 12 to 19 ft in N to NE swell. .WED NIGHT...N winds 10 to 15 kt. Seas 9 to 13 ft in N to NE swell. $$ GMZ049-182045- Central Bay of Campeche- 345 AM EST Sat Jan 18 2025 .TODAY...SE to S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E to SE winds 10 kt. Seas 3 to 4 ft. .SUN...S of 20N, NW winds 10 kt. N of 20N, N to NE winds 10 to 15 kt, increasing to 20 to 25 kt early in the evening. Seas 4 to 6 ft in NE swell, building to 7 to 10 ft in N to NE swell early in the evening. .SUN NIGHT...N to NE winds 15 to 20 kt S of 20N, and NE 20 to 25 kt N of 20N. Seas 7 to 11 ft in N swell. .MON...NE to E winds 15 to 20 kt. Seas 7 to 11 ft in N swell. .MON NIGHT...E winds 10 to 15 kt S of 20N, and E 15 to 20 kt N of 20N. Seas 6 to 9 ft in N to NE swell. .TUE...E to SE winds 10 to 15 kt, shifting to N to NE early in the evening. Seas 7 to 10 ft in N to NE swell. .TUE NIGHT...N winds 20 to 30 kt. Seas 12 to 19 ft in NW to N swell. .WED...N to NE winds 20 to 25 kt. Seas 12 to 18 ft in NW to N swell. .WED NIGHT...NE winds 15 to 20 kt. Seas 9 to 13 ft in N swell. $$ GMZ050-182045- E Bay of Campeche including Campeche Bank- 345 AM EST Sat Jan 18 2025 .TODAY...SE to S winds 10 to 15 kt, shifting to S to SW early in the evening. Seas 3 to 4 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...W of 90W, variable winds less than 5 kt, becoming N 10 to 15 kt early in the evening. E of 90W, S winds 10 kt, shifting to NW to N early in the evening. Seas 3 to 4 ft, building to 6 to 8 ft in NE swell early in the evening. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 7 to 11 ft in N swell. .MON...NE to E winds 15 to 20 kt. Seas 7 to 10 ft in NW to N swell. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in N swell. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft in N to NE swell. .TUE NIGHT...N winds 10 to 15 kt, increasing to 20 to 25 kt early in the morning. Seas 9 to 14 ft W of 90W, and 7 to 10 ft E of 90W. .WED...N to NE winds 20 to 25 kt. Seas 10 to 15 ft W of 90W, and 8 to 12 ft E of 90W. .WED NIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft in NW to N swell. $$ Forecaster Aguirre