Offshore Marine Forecast
000
FZNT24 KNHC 091900
OFFNT4
Offshore Waters Forecast for the Gulf of America
NWS National Hurricane Center Miami, FL
300 PM EDT Tue Sep 9 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.
GMZ001-100700-
Synopsis for the Gulf of America
300 PM EDT Tue Sep 9 2025
.SYNOPSIS...A stationary front from just north of Tampa Bay to
near Brownsville, Texas will remain generally in place into late
week, with a weak low pressure over the eastern Gulf offshore
Florida gradually dissipating during this time. Until it dissipates,
showers and thunderstorms will persist along and south of the
front mainly over the eastern Gulf. Fresh NE winds and moderate
seas are expected N of the front in the NE Gulf, with the remainder
of the basin experiencing gentle winds and slight seas.
$$
GMZ040-100700-
NW Gulf of America including Stetson Bank-
300 PM EDT Tue Sep 9 2025
.TONIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.WED...NE to E winds 10 kt. Seas 3 ft or less.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 ft or less.
.THU...E winds 10 kt. Seas 3 ft or less.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI...E winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI NIGHT...E winds 15 kt. Seas 3 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.
$$
GMZ041-100700-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
300 PM EDT Tue Sep 9 2025
.TONIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.WED...E winds 10 kt. Seas 3 ft or less.
.WED NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
.THU...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered
showers and isolated tstms.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI...NE to E winds 15 to 20 kt. Seas 2 to 4 ft.
.FRI NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft.
.SAT...E winds 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.
.SUN...E winds 15 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft.
$$
GMZ056-100700-
N Central Gulf of America Offshore Waters-
300 PM EDT Tue Sep 9 2025
.TONIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...W of 89W, variable winds less than 5 kt, becoming N to NE
10 kt in the afternoon. E of 89W, NE winds 10 to 15 kt. Seas 3 to
5 ft. Scattered showers and isolated tstms.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.THU...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.THU NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft.
.FRI...E winds 15 to 20 kt. Seas 2 to 4 ft.
.FRI NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft.
.SAT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft.
.SAT NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft.
.SUN...NE to E winds 15 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft.
$$
GMZ057-100700-
NE Gulf of America N of 26N E of 87W-
300 PM EDT Tue Sep 9 2025
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers
and isolated tstms.
.WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers
and isolated tstms.
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered
showers and isolated tstms.
.THU...E winds 15 to 20 kt. Seas 2 to 4 ft. Scattered showers and
isolated tstms.
.THU NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT...NE winds 15 to 20 kt. Seas 2 to 4 ft.
.SAT NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft.
.SUN...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ058-100700-
W Central Gulf of America from 22N to 26N W of 94W-
300 PM EDT Tue Sep 9 2025
.TONIGHT...E winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.WED...SE winds 10 kt in the morning, becoming variable less than
5 kt. Seas 3 ft or less.
.WED NIGHT...NE to E winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.THU...W of 96W, variable winds less than 5 kt in the morning.
Variable winds less than 5 kt in the afternoon. E of 96W, E to SE
winds 10 kt in the morning. Seas 3 ft or less. Scattered showers
and isolated tstms.
.THU NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
.FRI...W of 96W, variable winds less than 5 kt. E of 96W,
variable winds less than 5 kt, becoming E 10 kt in the afternoon.
Seas 3 ft or less.
.FRI NIGHT...E winds 10 kt. Seas 2 to 4 ft.
.SAT...W of 96W, variable winds less than 5 kt, becoming NE 10 kt
in the afternoon. E of 96W, NE winds 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
$$
GMZ045-100700-
W Central Gulf of America from 22N to 26N between 91W and 94W-
300 PM EDT Tue Sep 9 2025
.TONIGHT...NE to E winds 10 kt. Seas 3 ft or less.
.WED...S of 24N, SE winds 10 kt. N of 24N, SE winds 10 kt in the
morning, becoming variable less than 5 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 ft or less.
.THU...E to SE winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 ft or less.
.FRI...S of 24N, variable winds less than 5 kt. N of 24N,
variable winds less than 5 kt, becoming N to NE 10 kt in the
afternoon. Seas 3 ft or less.
.FRI NIGHT...Variable winds less than 5 kt S of 24N, and NE to E
10 to 15 kt N of 24N. Seas 3 to 5 ft.
.SAT...S of 24N, variable winds less than 5 kt, becoming NE 10 kt
in the afternoon. N of 24N, E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...NE to E winds 10 to 15 kt S of 24N, and E 15 to
20 kt N of 24N. Seas 3 to 5 ft.
.SUN...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft.
$$
GMZ046-100700-
Central Gulf of America from 22N to 26N between 87W and 91W-
300 PM EDT Tue Sep 9 2025
.TONIGHT...N to NE winds 10 kt, shifting to E to SE late. Seas
2 to 4 ft.
.WED...SE winds 10 kt S of 24N, and variable less than 5 kt N of
24N. Seas 3 ft or less.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 ft or less.
.THU...E to SE winds 10 kt S of 24N, and variable less than 5 kt
N of 24N. Seas 3 ft or less. Scattered showers and isolated
tstms.
.THU NIGHT...NE winds 10 to 15 kt, shifting to E to SE late. Seas
3 ft or less.
.FRI...S of 24N, variable less than 5 kt. Variable winds less
than 5 kt in the morning. N of 24N, NE to E winds 10 to 15 kt in
the afternoon. Seas 2 to 4 ft.
.FRI NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT NIGHT...NE to E winds 10 to 15 kt S of 24N, and NE to E
15 to 20 kt N of 24N. Seas 3 to 5 ft.
.SUN...NE to E winds 10 to 15 kt S of 24N, and NE to E 15 to
20 kt N of 24N. Seas 3 to 5 ft.
.SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft.
$$
GMZ047-100700-
SE Gulf of America from 22N to 26N E of 87W including Straits of
Florida-
300 PM EDT Tue Sep 9 2025
.TONIGHT...S of 24N, variable winds less than 5 kt, becoming SE
10 kt late. N of 24N, W winds 10 kt in the evening,
becoming variable less than 5 kt. Seas 2 to 4 ft.
.WED...Variable winds less than 5 kt S of 24N, and SW 10 kt N of
24N. Seas 3 ft or less. Scattered showers and isolated tstms.
.WED NIGHT...NE to E winds 10 kt S of 24N, and variable less than
5 kt N of 24N. Seas 3 ft or less in N swell, subsiding to 3 ft or
less late.
.THU...Variable winds less than 5 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.THU NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
.FRI...NE winds 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...Variable winds less than 5 kt S of 24N, and NE to E 10 to
15 kt N of 24N. Seas 2 to 4 ft.
.SUN NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ048-100700-
SW Gulf of America S of 22N W of 94W-
300 PM EDT Tue Sep 9 2025
.TONIGHT...NE winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.WED...S of 21N W of 95W, variable winds less than 5 kt in the
morning. Variable winds less than 5 kt in the afternoon.
Elsewhere, E to SE winds 10 kt in the morning. Seas 3 ft or less.
Scattered showers and isolated tstms.
.WED NIGHT...NE to E winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.THU...S of 21N W of 95W, E to SE winds 10 kt, shifting to W in
the afternoon. Elsewhere, SE winds 10 to 15 kt in the morning,
becoming variable less than 5 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.THU NIGHT...N winds 10 kt, shifting to NE to E late.
Seas 3 ft or less.
.FRI...SE winds 10 kt, shifting to NE in the afternoon. Seas 3 ft
or less.
.FRI NIGHT...S of 21N W of 95W, NE winds 10 kt in the evening,
becoming variable less than 5 kt. Elsewhere, NE to E winds 10 kt.
Seas 3 ft or less.
.SAT...N to NE winds 10 kt. Seas 3 ft or less.
.SAT NIGHT...S of 21N W of 95W, NE winds 10 kt in the evening,
becoming variable less than 5 kt. Elsewhere, NE winds 10 kt. Seas
3 ft or less.
.SUN...Variable winds less than 5 kt, becoming N 10 kt in the
afternoon. Seas 3 ft or less.
.SUN NIGHT...NE winds 10 kt. Seas 3 ft or less.
$$
GMZ049-100700-
Central Bay of Campeche-
300 PM EDT Tue Sep 9 2025
.TONIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.WED...S of 20N, SE winds 10 kt in the morning, becoming variable
less than 5 kt. N of 20N, SE winds 10 kt. Seas 3 ft or less.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.THU...S of 20N, S winds 10 to 15 kt in the morning, becoming
variable less than 5 kt. N of 20N, SE winds 10 to 15 kt. Seas
3 ft or less.
.THU NIGHT...N to NE winds 10 kt, shifting to E to SE 15 to 20 kt
late. Seas 2 to 4 ft.
.FRI...SE winds 10 kt in the morning, becoming variable less than
5 kt. Seas 2 to 4 ft.
.FRI NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
.SAT...E winds 10 kt in the morning, becoming variable less than
5 kt. Seas 3 ft or less.
.SAT NIGHT...NE winds 10 kt. Seas 3 ft or less.
.SUN...E winds 10 kt in the morning, becoming variable less than
5 kt. Seas 3 ft or less.
.SUN NIGHT...NE winds 10 kt. Seas 2 to 4 ft.
$$
GMZ050-100700-
E Bay of Campeche including Campeche Bank-
300 PM EDT Tue Sep 9 2025
.TONIGHT...N to NE winds 10 to 15 kt, shifting to E to SE late.
Seas 3 ft or less. Scattered showers and isolated
tstms.
.WED...SE winds 10 to 15 kt. Seas 3 ft or less.
.WED NIGHT...N to NE winds 15 to 20 kt, shifting to E to SE 10 to
15 kt late. Seas 3 ft or less. Scattered showers and
isolated tstms.
.THU...E to SE winds 10 to 15 kt. Seas 3 ft or less. Scattered
tstms.
.THU NIGHT...NE winds 10 to 15 kt, shifting to SE late.
Seas 3 ft or less.
.FRI...SE winds 10 kt in the morning, becoming variable less than
5 kt. Seas 3 ft or less.
.FRI NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
.SAT...Variable winds less than 5 kt W of 90W, and NE to E 10 kt
E of 90W. Seas 3 ft or less.
.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
.SUN...W of 90W, E to SE winds 10 kt in the morning, becoming
variable less than 5 kt. E of 90W, variable winds less than 5 kt,
becoming NE 10 kt in the afternoon. Seas 3 ft or less.
.SUN NIGHT...NE winds 10 to 15 kt, shifting to E to SE late. Seas
2 to 4 ft.
$$
Forecaster GR
