


Offshore Forecast
Issued by NWS
Issued by NWS
842 FZNT24 KNHC 181425 OFFNT4 Offshore Waters Forecast for the Gulf of America NWS National Hurricane Center Miami, FL 1025 AM EDT Sat Oct 18 2025 Offshore Waters Forecast for the Gulf of America 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. GMZ001-190230- Synopsis for the Gulf of America 1025 AM EDT Sat Oct 18 2025 .SYNOPSIS...Moderate S to SE winds and slight to moderate seas will prevail over the Gulf of America today. Locally fresh S to SE winds are expected to develop tonight east of 90W, including through the Florida Straits, as high pressure builds over the western Atlantic. A cold front will move into the northwestern Gulf Sun morning and move southeastward over the basin through Mon. Moderate N to NE winds are expected north of the cold front, and locally fresh winds will be possible north of 27N into Mon morning. High pressure is slated to develop over the basin in the wake of the front, leading to gentle to moderate winds and slight seas over the Gulf early next week. $$ GMZ040-190230- NW Gulf of America including Stetson Bank- 1025 AM EDT Sat Oct 18 2025 .TODAY...S winds 10 to 15 kt. Seas 2 to 4 ft. .TONIGHT...S to SW winds 10 kt. Seas 3 ft or less. .SUN...W winds 10 kt, shifting to N 10 to 20 kt in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...E to SE winds 10 kt. Seas 2 to 4 ft. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. .TUE...S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .TUE NIGHT...Variable winds less than 5 kt, becoming E 10 kt late. Seas 3 ft or less. .WED...E winds 10 kt. Seas 3 ft or less, building to 2 to 4 ft in the afternoon. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ041-190230- SW Louisiana Offshore Waters including Flower Garden Bank Marine Sanctuary- 1025 AM EDT Sat Oct 18 2025 .TODAY...S winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and isolated tstms. .TONIGHT...S to SW winds 10 kt. Seas 2 to 4 ft. .SUN...W to NW winds 10 kt, shifting to N 10 to 20 kt in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .MON...E winds 10 kt. Seas 2 to 4 ft. .MON NIGHT...SE winds 10 kt. Seas 3 ft or less. .TUE...Variable winds less than 5 kt. Seas 3 ft or less. .TUE NIGHT...NE winds 10 kt. Seas 3 ft or less. .WED...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. $$ GMZ056-190230- N Central Gulf of America Offshore Waters- 1025 AM EDT Sat Oct 18 2025 .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE to S winds 10 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .SUN...SW to W winds 10 to 20 kt, shifting to NW in the afternoon. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SUN NIGHT...N to NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 kt. Seas 2 to 4 ft. .TUE...Variable winds less than 5 kt, becoming N to NE 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...N to NE winds 10 kt. Seas 3 ft or less. .WED...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...NE winds 15 kt. Seas 3 to 5 ft. $$ GMZ057-190230- NE Gulf of America N of 26N E of 87W- 1025 AM EDT Sat Oct 18 2025 .TODAY...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SUN NIGHT...W of 85W, NW to N winds 10 kt, shifting to N 15 to 20 kt late. E of 85W, SW winds 10 kt, shifting to W to NW late. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE to E winds 10 kt. Seas 2 to 4 ft. .TUE...N to NE winds 10 kt. Seas 2 to 4 ft. .TUE NIGHT...N winds 10 kt. Seas 3 ft or less. .WED...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...N to NE winds 15 kt. Seas 3 to 5 ft. $$ GMZ058-190230- W Central Gulf of America from 22N to 26N W of 94W- 1025 AM EDT Sat Oct 18 2025 .TODAY...S winds 10 kt. Seas 3 ft or less. .TONIGHT...SE to S winds 10 kt. Seas 3 ft or less. .SUN...Variable winds less than 5 kt, becoming N to NE 10 kt in the afternoon. Seas 3 ft or less. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .MON...E winds 10 kt. Seas 2 to 4 ft. .MON NIGHT...E to SE winds 10 kt. Seas 3 ft or less. .TUE...SE winds 10 kt. Seas 3 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .WED...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ045-190230- W Central Gulf of America from 22N to 26N between 91W and 94W- 1025 AM EDT Sat Oct 18 2025 .TODAY...SE to S winds 10 kt. Seas 2 to 4 ft. .TONIGHT...SE to S winds 10 kt. Seas 3 ft or less. .SUN...Variable winds less than 5 kt, becoming N 10 kt in the afternoon. Seas 3 ft or less. .SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .MON...NE to E winds 10 kt. Seas 2 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...S of 24N, NE to E winds 10 kt. N of 24N, variable winds less than 5 kt, becoming NE 10 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. $$ GMZ046-190230- Central Gulf of America from 22N to 26N between 87W and 91W- 1025 AM EDT Sat Oct 18 2025 .TODAY...SE winds 10 kt. Seas 2 to 4 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...S of 24N, variable winds less than 5 kt. N of 24N, S to SW winds 10 kt, shifting to NW in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .TUE...NE winds 10 kt. Seas 2 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. $$ GMZ047-190230- SE Gulf of America from 22N to 26N E of 87W including Straits of Florida- 1025 AM EDT Sat Oct 18 2025 .TODAY...E to SE winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .TONIGHT...E to SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...SE to S winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 to 5 ft in E swell. Scattered showers and isolated tstms. .SUN NIGHT...NE winds 10 kt. Seas 3 ft or less. .MON...NE winds 10 kt. Seas 3 ft or less. .MON NIGHT...NE to E winds 10 kt. Seas 2 to 4 ft. .TUE...NE to E winds 10 kt. Seas 2 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. $$ GMZ048-190230- SW Gulf of America S of 22N W of 94W- 1025 AM EDT Sat Oct 18 2025 .TODAY...SE winds 10 kt. Seas 3 ft or less. .TONIGHT...E to SE winds 10 kt. Seas 3 ft or less. .SUN...Variable winds less than 5 kt. Seas 3 ft or less in NE swell, subsiding to 3 ft or less in the afternoon. Scattered showers and isolated tstms. .SUN NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON...N winds 10 kt. Seas 2 to 4 ft. .MON NIGHT...S of 21N W of 95W, N to NE winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, NE to E winds 10 kt. Seas 3 ft or less. .TUE...Variable winds less than 5 kt. Seas 3 ft or less. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. .WED...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ049-190230- Central Bay of Campeche- 1025 AM EDT Sat Oct 18 2025 .TODAY...Variable winds less than 5 kt S of 20N, and E to SE 10 kt N of 20N. Seas 3 ft or less. .TONIGHT...Variable winds less than 5 kt, becoming E 10 kt late. Seas 3 ft or less. .SUN...Variable winds less than 5 kt S of 20N, and NE to E 10 kt N of 20N. Seas 3 ft or less. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON...NE to E winds 10 kt. Seas 3 ft or less. .MON NIGHT...NE winds 10 kt. Seas 3 ft or less. .TUE...NE to E winds 10 kt. Seas 3 ft or less. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less, building to 3 to 5 ft late. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. $$ GMZ050-190230- E Bay of Campeche including Campeche Bank- 1025 AM EDT Sat Oct 18 2025 .TODAY...SE winds 10 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .TONIGHT...NE to E winds 10 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .SUN...SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft or less. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. Scattered showers and isolated tstms. .MON...NE to E winds 10 kt. Seas 3 ft or less. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. .TUE...NE to E winds 10 kt. Seas 3 ft or less. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less, building to 3 to 5 ft late. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. $$ Forecaster ADAMS