Offshore Marine Forecast
000
FZNT24 KNHC 212019
OFFNT4
Offshore Waters Forecast for the Gulf of America
NWS National Hurricane Center Miami, FL
419 PM EDT Thu Aug 21 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.
GMZ001-220830-
Synopsis for the Gulf of America
419 PM EDT Thu Aug 21 2025
.SYNOPSIS...A weak pressure pattern will continue over the area
through the period maintaining quiet marine conditions. Moderate
to fresh northeast to southeast winds will be possible over the
south-central Gulf each afternoon and evening through this
weekend as a trough develops over the Yucatan Peninsula and
moves westward.
$$
GMZ040-220830-
NW Gulf of America including Stetson Bank-
419 PM EDT Thu Aug 21 2025
.TONIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.FRI...Variable winds less than 5 kt. Seas 3 ft or less.
.FRI NIGHT...Variable winds less than 5 kt, becoming SE to S
10 kt late. Seas 3 ft or less.
.SAT...Variable winds less than 5 kt. Seas 3 ft or less.
.SAT NIGHT...Variable winds less than 5 kt, becoming SE to S
10 kt late. Seas 3 ft or less.
.SUN...Variable winds less than 5 kt. Seas 3 ft or less.
.SUN NIGHT...Variable winds less than 5 kt, becoming S 10 kt
late. Seas 3 ft or less.
.MON...Variable winds less than 5 kt. Seas 3 ft or less.
.MON NIGHT...SE to S winds 10 kt. Seas 3 ft or less.
.TUE...SE to S winds 10 kt. Seas 3 ft or less.
.TUE NIGHT...SE winds 10 kt. Seas 3 ft or less.
$$
GMZ041-220830-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
419 PM EDT Thu Aug 21 2025
.TONIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.FRI...Variable winds less than 5 kt. Seas 3 ft or less.
.FRI NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.SAT...Variable winds less than 5 kt. Seas 3 ft or less.
.SAT NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.SUN...Variable winds less than 5 kt. Seas 3 ft or less.
.SUN NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.MON...Variable winds less than 5 kt. Seas 3 ft or less.
.MON NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.TUE...Variable winds less than 5 kt. Seas 3 ft or less.
.TUE NIGHT...W of 92W, variable winds less than 5 kt, becoming SE
to S 10 kt late. E of 92W, variable winds less than
5 kt. Seas 3 ft or less.
$$
GMZ056-220830-
N Central Gulf of America Offshore Waters-
419 PM EDT Thu Aug 21 2025
.TONIGHT...Variable winds less than 5 kt, becoming S to SW 10 kt
late. Seas 3 ft or less.
.FRI...SW to W winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.FRI NIGHT...Variable winds less than 5 kt W of 89W, and SW 10 kt
E of 89W. Seas 3 ft or less.
.SAT...SW to W winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.SAT NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.SUN...SW to W winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...Variable winds less than 5 kt W of 89W, and SW to W
10 kt E of 89W. Seas 3 ft or less.
.MON...Variable winds less than 5 kt. Seas 3 ft or less.
.MON NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.TUE...Variable winds less than 5 kt. Seas 3 ft or less.
.TUE NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
$$
GMZ057-220830-
NE Gulf of America N of 26N E of 87W-
419 PM EDT Thu Aug 21 2025
.TONIGHT...SW winds 10 kt. Seas 3 ft or less.
.FRI...SW winds 10 kt. Seas 3 ft or less. Scattered showers and
isolated tstms.
.FRI NIGHT...SW to W winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.SAT...SW to W winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.SAT NIGHT...SW to W winds 10 kt. Seas 3 ft or less.
.SUN...SW to W winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...W winds 10 kt. Seas 3 ft or less.
.MON...W winds 10 kt. Seas 3 ft or less.
.MON NIGHT...W winds 10 kt. Seas 3 ft or less.
.TUE...Variable winds less than 5 kt. Seas 3 ft or less.
.TUE NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
$$
GMZ058-220830-
W Central Gulf of America from 22N to 26N W of 94W-
419 PM EDT Thu Aug 21 2025
.TONIGHT...E winds 10 kt, shifting to SE late. Seas
3 ft or less.
.FRI...Variable winds less than 5 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.FRI NIGHT...E to SE winds 10 kt. Seas 3 ft or less.
.SAT...SE to S winds 10 kt in the morning, becoming variable less
than 5 kt. Seas 3 ft or less. Scattered showers and isolated
tstms.
.SAT NIGHT...E to SE winds 10 kt. Seas 3 ft or less.
.SUN...SE winds 10 kt in the morning, becoming variable less than
5 kt. Seas 3 ft or less.
.SUN NIGHT...E to SE winds 10 kt. Seas 3 ft or less.
.MON...SE winds 10 kt. Seas 3 ft or less.
.MON NIGHT...E to SE winds 10 kt. Seas 3 ft or less.
.TUE...SE winds 10 kt. Seas 3 ft or less.
.TUE NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less.
$$
GMZ045-220830-
W Central Gulf of America from 22N to 26N between 91W and 94W-
419 PM EDT Thu Aug 21 2025
.TONIGHT...Variable winds less than 5 kt, becoming SE 10 kt late.
Seas 3 ft or less.
.FRI...SE to S winds 10 kt in the morning, becoming variable less
than 5 kt. Seas 3 ft or less.
.FRI NIGHT...S of 24N, E winds 10 kt. N of 24N, variable winds
less than 5 kt, becoming SE 10 kt late. Seas 3 ft or
less.
.SAT...S of 24N, SE winds 10 kt. N of 24N, SE to S winds 10 kt in
the morning, becoming variable less than 5 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.SAT NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less.
.SUN...SE to S winds 10 to 15 kt. Seas 3 ft or less.
.SUN NIGHT...E winds 10 to 15 kt S of 24N, and variable less than
5 kt N of 24N. Seas 3 ft or less.
.MON...SE winds 10 to 15 kt. Seas 3 ft or less.
.MON NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
.TUE...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
.TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ046-220830-
Central Gulf of America from 22N to 26N between 87W and 91W-
419 PM EDT Thu Aug 21 2025
.TONIGHT...S of 24N, E to SE winds 10 to 15 kt. N of 24N,
variable winds less than 5 kt, becoming S 10 kt late.
Seas 3 ft or less.
.FRI...S winds 10 kt. Seas 3 ft or less.
.FRI NIGHT...S of 24N, E to SE winds 10 to 15 kt. N of 24N,
variable winds less than 5 kt, becoming SE to S 10 kt late. Seas
3 ft or less.
.SAT...S winds 10 to 15 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.SAT NIGHT...S of 24N, E winds 10 to 15 kt. N of 24N, variable
winds less than 5 kt, becoming SE to S 10 kt late. Seas
3 ft or less.
.SUN...S winds 10 to 15 kt. Seas 3 ft or less.
.SUN NIGHT...S of 24N, E winds 10 to 15 kt. N of 24N, variable
winds less than 5 kt, becoming SE to S 10 kt late. Seas
2 to 4 ft.
.MON...E to SE winds 10 to 15 kt S of 24N, and variable less than
5 kt N of 24N. Seas 2 to 4 ft.
.MON NIGHT...S of 24N, E winds 10 to 15 kt. N of 24N, variable
winds less than 5 kt, becoming E to SE 10 kt late. Seas
2 to 4 ft.
.TUE...S of 24N, E winds 10 kt. N of 24N, E to SE winds 10 kt in
the morning, becoming variable less than 5 kt. Seas 2 to 4 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ047-220830-
SE Gulf of America from 22N to 26N E of 87W including Straits of
Florida-
419 PM EDT Thu Aug 21 2025
.TONIGHT...Variable winds less than 5 kt, becoming S 10 kt late.
Seas 3 ft or less.
.FRI...S of 24N, SE to S winds 10 kt in the morning, becoming
variable less than 5 kt. N of 24N, S to SW winds 10 kt. Seas 3 ft
or less.
.FRI NIGHT...Variable winds less than 5 kt, becoming SE to S
10 kt late. Seas 3 ft or less.
.SAT...S winds 10 kt. Seas 3 ft or less. Scattered showers and
isolated tstms.
.SAT NIGHT...S of 24N, N to NE winds 10 kt, shifting to E late. N
of 24N, variable winds less than 5 kt. Seas 3 ft or
less.
.SUN...Variable winds less than 5 kt S of 24N, and S to SW 10 kt
N of 24N. Seas 3 ft or less.
.SUN NIGHT...NE to E winds 10 kt S of 24N, and variable less than
5 kt N of 24N. Seas 3 ft or less.
.MON...E winds 10 kt S of 24N, and variable less than 5 kt N of
24N. Seas 3 ft or less.
.MON NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.TUE...NE to E winds 10 kt S of 24N, and variable less than 5 kt
N of 24N. Seas 3 ft or less.
.TUE NIGHT...NE to E winds 10 kt S of 24N, and variable less than
5 kt N of 24N. Seas 3 ft or less.
$$
GMZ048-220830-
SW Gulf of America S of 22N W of 94W-
419 PM EDT Thu Aug 21 2025
.TONIGHT...NE winds 10 kt, shifting to E to SE late.
Seas 3 ft or less.
.FRI...SE to S winds 10 kt in the morning, becoming variable less
than 5 kt. Seas 3 ft or less.
.FRI NIGHT...E winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.SAT...S of 21N W of 95W, E to SE winds 10 kt in the morning,
becoming variable less than 5 kt. Elsewhere, E to SE winds 10 kt.
Seas 3 ft or less. Scattered showers and isolated tstms.
.SAT NIGHT...S of 21N W of 95W, E winds 10 kt in the evening,
becoming variable less than 5 kt. Elsewhere, E winds 10 kt. Seas
3 ft or less.
.SUN...E to SE winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...E winds 10 kt. Seas 3 ft or less.
.MON...Variable winds less than 5 kt S of 21N W of 95W, and E
10 kt elsewhere. Seas 3 ft or less.
.MON NIGHT...E winds 10 kt. Seas 3 ft or less.
.TUE...Variable winds less than 5 kt S of 21N W of 95W, and E
10 kt elsewhere. Seas 3 ft or less.
.TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ049-220830-
Central Bay of Campeche-
419 PM EDT Thu Aug 21 2025
.TONIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.FRI...S of 20N, SE winds 10 kt in the morning, becoming variable
less than 5 kt. N of 20N, E to SE winds 10 kt. Seas 3 ft or less.
.FRI NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.SAT...SE winds 10 to 15 kt. Seas 3 ft or less.
.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
.SUN...E to SE winds 10 to 15 kt. Seas 3 ft or less.
.SUN NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft.
.MON...E to SE 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...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ050-220830-
E Bay of Campeche including Campeche Bank-
419 PM EDT Thu Aug 21 2025
.TONIGHT...NE winds 10 to 15 kt, shifting to E to SE late. Seas
3 ft or less.
.FRI...SE winds 10 kt. Seas 3 ft or less.
.FRI NIGHT...NE winds 10 to 15 kt, shifting to E to SE late. Seas
3 ft or less.
.SAT...SE winds 10 to 15 kt. Seas 3 ft or less.
.SAT NIGHT...N to NE winds 15 to 20 kt, shifting to E 10 to 15 kt
late. Seas 3 ft or less.
.SUN...SE winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 3 ft or less.
.SUN NIGHT...NE winds 15 to 20 kt, shifting to E to SE 10 to
15 kt late. Seas 2 to 4 ft.
.MON...SE winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 2 to 4 ft.
.MON NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft.
.TUE...E to SE winds 10 to 15 kt, shifting to NE in the
afternoon. Seas 2 to 4 ft.
.TUE NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft.
$$
Forecaster ERA
