Offshore Marine Forecast
000
FZNT24 KNHC 182010
OFFNT4
Offshore Waters Forecast for the Gulf of America
NWS National Hurricane Center Miami, FL
410 PM EDT Sun Oct 18 2026
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.
GMZ001-190815-
Synopsis for the Gulf of America
410 PM EDT Sun Oct 18 2026
.SYNOPSIS...A cold front extends across the Straits of Florida
and the SE Gulf into the central Bay of Campeche. Strong to
gale-force winds and very rough seas persist in the wake of the
front over the SW Gulf. Fresh to strong NE winds, with higher
gusts, will continue over the NE Gulf through Mon. The front will
slow down over the Straits of Florida and the Yucatan Peninsula
tonight and Mon, then drift to the southeast of the Gulf through
Tue as it weakens. Gale-force winds will persist over the SW Gulf
offshore Veracruz through early Mon morning. High pressure behind
the front, will continue to support fresh NE to E winds mainly
over the eastern half of the Gulf through Tue.
$$
GMZ040-190815-
NW Gulf of America including Stetson Bank-
410 PM EDT Sun Oct 18 2026
.TONIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft.
.MON...NE to E winds 15 to 20 kt. Seas 5 to 7 ft in E swell.
.MON NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...NE to E winds 10 to 15 kt. Seas 5 to 7 ft. Scattered
showers and isolated tstms.
.TUE NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.
.WED...NE to E winds 15 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI...E winds 10 kt. Seas 3 ft or less.
.FRI NIGHT...E winds 15 kt. Seas 2 to 4 ft.
$$
GMZ041-190815-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
410 PM EDT Sun Oct 18 2026
.TONIGHT...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in E swell.
.MON...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in E swell.
.MON NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E
swell. Scattered showers and isolated tstms.
.TUE...E winds 15 to 20 kt. Seas 6 to 9 ft in E swell. Scattered
showers and isolated tstms.
.TUE NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft.
.WED...NE to E winds 15 kt. Seas 5 to 7 ft.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft in E to SE
swell.
.THU...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
$$
GMZ056-190815-
N Central Gulf of America Offshore Waters-
410 PM EDT Sun Oct 18 2026
.TONIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in NE to E
swell.
.MON...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in NE to E
swell.
.MON NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in E
swell.
.TUE...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in E swell.
.TUE NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE
swell.
.WED...NE to E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft.
$$
GMZ057-190815-
NE Gulf of America N of 26N E of 87W-
410 PM EDT Sun Oct 18 2026
.TONIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in 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 6 to 8 ft in NE to E
swell.
.TUE...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in E to SE
swell.
.TUE NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.THU...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.THU NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...NE to E winds 15 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE to E winds 20 kt. Seas 5 to 7 ft.
$$
GMZ058-190815-
W Central Gulf of America from 22N to 26N W of 94W-
410 PM EDT Sun Oct 18 2026
.TONIGHT...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in NE to E
swell.
.MON...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in NE to E
swell.
.MON NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft in NE to E
swell. Scattered showers and isolated tstms.
.TUE...NE winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell.
Scattered showers and isolated tstms.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft in NE to E
swell.
.WED...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in NE to E
swell.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in E
swell.
.THU...NE to E winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft in E
swell.
.FRI...NE to E winds 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ045-190815-
W Central Gulf of America from 22N to 26N between 91W and 94W-
410 PM EDT Sun Oct 18 2026
.TONIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft in NE swell.
.MON...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E
swell. Scattered showers and isolated tstms.
.MON NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E
swell. Scattered showers and isolated tstms.
.TUE...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E
swell. Scattered showers and isolated tstms.
.TUE NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E
swell.
.WED...NE to E winds 15 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft in E
swell.
.THU...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE to E winds 15 kt. Seas 3 to 5 ft.
$$
GMZ046-190815-
Central Gulf of America from 22N to 26N between 87W and 91W-
410 PM EDT Sun Oct 18 2026
.TONIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in NE
swell. Scattered showers and isolated tstms.
.MON...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in NE swell.
Scattered showers and isolated tstms.
.MON NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in NE to E
swell. Scattered showers and isolated tstms.
.TUE...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E
swell. Scattered showers and isolated tstms.
.TUE NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E
swell.
.WED...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in NE to E
swell.
.WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...NE winds 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft.
$$
GMZ047-190815-
SE Gulf of America from 22N to 26N E of 87W including Straits of
Florida-
410 PM EDT Sun Oct 18 2026
.TONIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in N to NE
swell. Scattered showers and isolated tstms.
.MON...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in N to NE
swell. Scattered showers and isolated tstms.
.MON NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 8 ft in NE
swell.
.TUE...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E
swell.
.TUE NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft.
.WED...NE winds 15 kt. Seas 4 to 6 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft.
.FRI...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft.
$$
GMZ048-190815-
SW Gulf of America S of 22N W of 94W-
410 PM EDT Sun Oct 18 2026
...GALE WARNING...
.TONIGHT...NW to N winds 25 to 35 kt. Seas 10 to 16 ft in N to NE
swell. Scattered tstms.
.MON...NW to N winds 25 to 30 kt S of 21N W of 95W, and NW to N
15 to 25 kt elsewhere. Seas 9 to 13 ft in NE swell. Scattered
showers and isolated tstms.
.MON NIGHT...NW to N winds 20 to 25 kt. Seas 6 to 9 ft in NE
swell. Scattered showers and isolated tstms.
.TUE...NW winds 20 to 25 kt S of 21N W of 95W, and NW to N 15 to
20 kt elsewhere. Seas 5 to 7 ft. Scattered showers and isolated
tstms.
.TUE NIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft.
.WED...NW to N winds 20 to 25 kt S of 21N W of 95W, and NE 10 to
15 kt elsewhere. Seas 5 to 7 ft.
.WED NIGHT...N winds 20 to 25 kt S of 21N W of 95W, and NE 10 to
15 kt elsewhere. Seas 5 to 7 ft in NE swell.
.THU...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft in NE swell.
.FRI...N to NE winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ049-190815-
Central Bay of Campeche-
410 PM EDT Sun Oct 18 2026
.TONIGHT...NE winds 10 to 15 kt S of 20N, and NE 20 to 25 kt N of
20N. Seas 9 to 13 ft in N to NE swell. Scattered tstms.
.MON...N to NE winds 10 to 15 kt. Seas 7 to 10 ft in N to NE
swell. Scattered showers and isolated tstms.
.MON NIGHT...N to NE winds 10 to 15 kt. Seas 6 to 8 ft in NE
swell. Scattered showers and isolated tstms.
.TUE...NE winds 10 kt. Seas 5 to 7 ft in NE swell. Scattered
showers and isolated tstms.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft in NE swell.
.WED...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in NE swell.
.WED NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft in NE swell.
.THU...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ050-190815-
E Bay of Campeche including Campeche Bank-
410 PM EDT Sun Oct 18 2026
.TONIGHT...NE winds 15 to 20 kt W of 90W, and NE to E 10 to 15 kt
E of 90W. Seas 7 to 10 ft in N swell. Scattered showers and
isolated tstms.
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft in N swell. Scattered
showers and isolated tstms.
.MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Scattered
showers and isolated tstms.
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft in N to NE swell.
Scattered showers and isolated tstms.
.TUE NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft.
.WED...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in N to NE
swell.
.WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.THU...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft.
.FRI...N to NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft.
$$
Forecaster GR