Offshore Marine Forecast
000
FZNT24 KNHC 300727
OFFNT4
Offshore Waters Forecast for the Gulf of America
NWS National Hurricane Center Miami, FL
227 AM EST Tue Dec 30 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.
GMZ001-301930-
Synopsis for the Gulf of America
227 AM EST Tue Dec 30 2025
.SYNOPSIS...A strong cold front from south Florida to the Bay of
Campeche will shift SE of the basin today. Gale force winds and
very rough seas offshore of Veracruz and the western Bay of
Campeche are expected through late today. Elsewhere behind the
front, widespread fresh to strong winds and rough seas are
expected. Winds and seas will slowly diminish from north to south
today into early Wed. High pressure will build over the northern
Gulf around midweek, with moderate or weaker winds and slight seas
over the basin.
$$
GMZ040-301930-
NW Gulf of America including Stetson Bank-
227 AM EST Tue Dec 30 2025
.TODAY...N to NE winds 20 to 25 kt. Seas 7 to 10 ft in NE swell.
.TONIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell.
.WED...N winds 10 kt in the morning, becoming variable less than
5 kt. Seas 3 to 5 ft in NE to E swell.
.WED NIGHT...Variable winds less than 5 kt, becoming S 10 kt
late. Seas 3 ft or less in NE to E swell, subsiding to
3 ft or less late.
.THU...S to SW winds 10 kt. Seas 3 ft or less.
.THU NIGHT...S to SW winds 15 to 20 kt. Seas 2 to 4 ft.
.FRI...S to SW winds 15 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...SW winds 15 kt. Seas 3 to 5 ft.
.SAT...W winds 10 kt, shifting to N in the afternoon. Seas 3 to
5 ft.
.SAT NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
$$
GMZ041-301930-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
227 AM EST Tue Dec 30 2025
.TODAY...N to NE winds 20 to 25 kt. Seas 7 to 10 ft in NE swell.
.TONIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell.
.WED...N winds 10 kt in the morning, becoming variable less than
5 kt. Seas 3 to 5 ft.
.WED NIGHT...Variable winds less than 5 kt, becoming SW 10 kt
late. Seas 3 ft or less.
.THU...SW winds 10 kt. Seas 3 ft or less.
.THU NIGHT...S to SW winds 15 to 20 kt. Seas 3 ft or less,
building to 2 to 4 ft late.
.FRI...S to SW winds 15 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft.
.SAT...NW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...N to NE winds 10 kt. Seas 2 to 4 ft.
$$
GMZ056-301930-
N Central Gulf of America Offshore Waters-
227 AM EST Tue Dec 30 2025
.TODAY...N winds 20 to 25 kt. Seas 6 to 9 ft in N to NE swell.
.TONIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft in N to NE swell.
.WED...N winds 10 to 15 kt. Seas 4 to 6 ft in N to NE swell.
.WED NIGHT...NW winds 10 kt. Seas 2 to 4 ft.
.THU...W to NW winds 10 kt. Seas 3 ft or less.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft or less.
.FRI...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft.
.SAT...W winds 15 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft.
$$
GMZ057-301930-
NE Gulf of America N of 26N E of 87W-
227 AM EST Tue Dec 30 2025
.TODAY...N winds 15 to 20 kt. Seas 6 to 9 ft in NW swell.
.TONIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft.
.WED...NW to N winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft.
.THU...NW winds 10 kt. Seas 2 to 4 ft.
.THU NIGHT...W winds 10 kt. Seas 3 ft or less.
.FRI...SW winds 10 to 15 kt. Seas 3 ft or less.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...SW to W winds 15 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...W to NW winds 15 kt. Seas 4 to 6 ft.
$$
GMZ058-301930-
W Central Gulf of America from 22N to 26N W of 94W-
227 AM EST Tue Dec 30 2025
.TODAY...N winds 20 to 30 kt. Seas 10 to 16 ft in N to NE swell.
.TONIGHT...N winds 15 to 20 kt. Seas 7 to 11 ft in NE swell.
.WED...W of 96W, N winds 10 kt in the morning, becoming variable
less than 5 kt. E of 96W, N to NE winds 10 to 15 kt. Seas 6 to
8 ft in NE swell.
.WED NIGHT...NE to E winds 10 kt, shifting to SE late.
Seas 3 to 5 ft.
.THU...SE to S winds 10 to 15 kt. Seas 3 ft or less.
.THU NIGHT...S winds 15 to 20 kt. Seas 2 to 4 ft.
.FRI...S winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT...S to SW winds 10 kt in the morning, becoming variable less
than 5 kt. Seas 3 ft or less.
.SAT NIGHT...SE winds 10 kt W of 96W, and variable less than 5 kt
E of 96W. Seas 3 ft or less in S swell, subsiding to 3 ft or less
late.
$$
GMZ045-301930-
W Central Gulf of America from 22N to 26N between 91W and 94W-
227 AM EST Tue Dec 30 2025
.TODAY...N to NE winds 20 to 30 kt. Seas 9 to 14 ft in NW to N
swell.
.TONIGHT...N to NE winds 15 to 20 kt. Seas 7 to 11 ft in N to NE
swell.
.WED...N to NE winds 10 to 15 kt. Seas 6 to 8 ft in NE swell.
.WED NIGHT...N to NE winds 10 kt in the evening, becoming
variable less than 5 kt. Seas 4 to 6 ft in NE swell.
.THU...Variable winds less than 5 kt. Seas 2 to 4 ft.
.THU NIGHT...SE to S winds 10 kt. Seas 3 ft or less.
.FRI...S winds 10 kt. Seas 3 ft or less.
.FRI NIGHT...S winds 10 kt. Seas 2 to 4 ft.
.SAT...Variable winds less than 5 kt S of 24N, and SW to W 10 kt
N of 24N. Seas 3 ft or less.
.SAT NIGHT...Variable winds less than 5 kt S of 24N, and NW to N
10 kt N of 24N. Seas 3 ft or less.
$$
GMZ046-301930-
Central Gulf of America from 22N to 26N between 87W and 91W-
227 AM EST Tue Dec 30 2025
.TODAY...N to NE winds 20 to 25 kt. Seas 7 to 11 ft in NW to N
swell.
.TONIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft in N to NE swell.
.WED...N winds 10 to 15 kt. Seas 6 to 8 ft in N to NE swell.
.WED NIGHT...N winds 10 kt. Seas 4 to 6 ft in N to NE swell.
.THU...Variable winds less than 5 kt. Seas 2 to 4 ft.
.THU NIGHT...Variable winds less than 5 kt, becoming SE to S
10 kt late. Seas 3 ft or less.
.FRI...S winds 10 kt. Seas 3 ft or less.
.FRI NIGHT...S winds 10 kt. Seas 3 ft or less.
.SAT...SW winds 10 to 15 kt. Seas 3 ft or less.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ047-301930-
SE Gulf of America from 22N to 26N E of 87W including Straits of
Florida-
227 AM EST Tue Dec 30 2025
.TODAY...N winds 15 to 20 kt. Seas 7 to 10 ft in NW to N swell.
.TONIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft in NW to N swell.
.WED...N winds 10 to 15 kt. Seas 6 to 8 ft in NW to N swell.
.WED NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft in NW to N
swell.
.THU...N winds 10 kt. Seas 3 to 5 ft.
.THU NIGHT...N winds 10 kt in the evening, becoming variable less
than 5 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 S to SW 10 kt in the
afternoon. Seas 3 ft or less.
.FRI NIGHT...Variable winds less than 5 kt S of 24N, and S to SW
10 kt N of 24N. Seas 3 ft or less.
.SAT...SW winds 10 to 15 kt. Seas 3 ft or less S of 24N, and 2 to
4 ft N of 24N.
.SAT NIGHT...W winds 10 to 15 kt. Seas 3 ft or less S of 24N, and
3 to 5 ft N of 24N.
$$
GMZ048-301930-
SW Gulf of America S of 22N W of 94W-
227 AM EST Tue Dec 30 2025
...GALE WARNING...
.TODAY...NW winds 30 to 40 kt S of 21N W of 95W, and N 20 to
30 kt elsewhere. Seas 14 to 21 ft in NW to N swell. Scattered
tstms.
.TONIGHT...NW to N winds 25 to 35 kt S of 21N W of 95W, and N
20 to 25 kt elsewhere. Seas 11 to 17 ft in N swell. Scattered
showers.
.WED...N winds 15 to 20 kt. Seas 7 to 11 ft in N to NE swell.
Scattered showers.
.WED NIGHT...NE to E winds 10 kt. Seas 5 to 7 ft in NE swell.
.THU...SE winds 10 kt. Seas 3 to 5 ft.
.THU NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI...SE to S winds 10 to 15 kt. Seas 2 to 4 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT...SE to S winds 10 kt in the morning, becoming variable less
than 5 kt. Seas 3 ft or less.
.SAT NIGHT...E winds 10 kt in the evening, becoming variable less
than 5 kt. Seas 3 ft or less.
$$
GMZ049-301930-
Central Bay of Campeche-
227 AM EST Tue Dec 30 2025
.TODAY...N to NE winds 10 to 15 kt S of 20N, and N to NE 20 to
25 kt N of 20N. Seas 10 to 15 ft in NW swell. Scattered showers.
.TONIGHT...N to NE winds 20 to 25 kt. Seas 10 to 15 ft in NW to N
swell. Scattered showers.
.WED...N to NE winds 15 to 20 kt. Seas 7 to 11 ft in N to NE
swell.
.WED NIGHT...NE winds 10 kt. Seas 5 to 7 ft in N to NE swell.
.THU...E winds 10 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 kt. Seas 3 ft or less.
.FRI...SE winds 10 kt. Seas 3 ft or less.
.FRI NIGHT...E to SE winds 10 kt. Seas 3 ft or less.
.SAT...SE 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.
$$
GMZ050-301930-
E Bay of Campeche including Campeche Bank-
227 AM EST Tue Dec 30 2025
.TODAY...N to NE winds 15 to 20 kt. Seas 8 to 12 ft in NW to N
swell.
.TONIGHT...N to NE winds 20 to 25 kt. Seas 8 to 12 ft in NW to N
swell.
.WED...N to NE winds 15 to 20 kt. Seas 6 to 9 ft in N swell.
.WED NIGHT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft in N
swell.
.THU...NE to E winds 10 kt. Seas 2 to 4 ft.
.THU NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
.FRI...SE winds 10 to 15 kt. Seas 3 ft or less.
.FRI NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
.SAT...SE winds 10 kt in the morning, becoming variable less than
5 kt. Seas 3 ft or less.
.SAT NIGHT...W of 90W, N to NE winds 10 kt. E of 90W, N to NE
winds 10 kt in the evening, becoming variable less than 5 kt.
Seas 3 ft or less.
$$
Forecaster AL