Offshore Marine Forecast
000
FZNT24 KNHC 280717
OFFNT4
Offshore Waters Forecast for the Gulf of America
NWS National Hurricane Center Miami, FL
217 AM EST Sun Dec 28 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.
GMZ001-281930-
Synopsis for the Gulf of America
217 AM EST Sun Dec 28 2025
.SYNOPSIS...A weak pressure gradient will support gentle to
moderate E to SE winds and slight to moderate seas across the
Gulf through late today. The next cold front is expected to enter
the northwest Gulf early Mon, followed by fresh to strong
northerly winds and rough seas, except gale conditions are
expected in the far west central and southwest Gulf by Mon
afternoon. Winds and seas will diminish across the basin through
mid week as high pressure builds over the region following the
front.
$$
GMZ040-281930-
NW Gulf of America including Stetson Bank-
217 AM EST Sun Dec 28 2025
.TODAY...S winds 15 to 20 kt. Seas 3 to 5 ft.
.TONIGHT...S winds 10 kt. Seas 2 to 4 ft. Scattered showers.
.MON...N to NE winds 25 to 30 kt. Seas 7 to 11 ft in NE swell.
.MON NIGHT...N to NE winds 20 to 25 kt. Seas 7 to 11 ft in NE
swell.
.TUE...N to NE winds 15 to 20 kt. Seas 6 to 9 ft in NE swell.
.TUE NIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in NE to E
swell.
.WED...Variable winds less than 5 kt. Seas 3 to 5 ft in NE to E
swell.
.WED NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.THU...Variable winds less than 5 kt, becoming S 10 kt in the
afternoon. Seas 3 ft or less.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 ft or less.
$$
GMZ041-281930-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
217 AM EST Sun Dec 28 2025
.TODAY...S winds 15 kt. Seas 2 to 4 ft.
.TONIGHT...S to SW winds 10 kt. Seas 2 to 4 ft. Scattered
showers.
.MON...NW winds 25 to 30 kt, shifting to N to NE in the
afternoon. Seas 7 to 10 ft in W swell.
.MON NIGHT...N to NE winds 20 to 25 kt. Seas 7 to 10 ft in N
swell.
.TUE...N to NE winds 15 to 20 kt. Seas 6 to 9 ft in NE swell.
.TUE NIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...NE 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. Seas 3 ft or less.
.THU...Variable winds less than 5 kt. Seas 3 ft or less.
.THU NIGHT...S to SW winds 10 kt W of 92W, and variable less than
5 kt E of 92W. Seas 3 ft or less.
$$
GMZ056-281930-
N Central Gulf of America Offshore Waters-
217 AM EST Sun Dec 28 2025
.TODAY...SE to S winds 10 to 15 kt. Seas 2 to 4 ft.
.TONIGHT...S winds 10 kt. Seas 2 to 4 ft.
.MON...SW winds 10 to 15 kt, becoming NW to N 20 to 25 kt in the
afternoon. Seas 5 to 7 ft. Scattered showers.
.MON NIGHT...N winds 20 kt. Seas 6 to 8 ft in N swell.
.TUE...N winds 15 to 20 kt. Seas 6 to 9 ft in N to NE swell.
.TUE NIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...N to NE winds 10 kt. Seas 3 to 5 ft.
.WED NIGHT...Variable winds less than 5 kt, becoming NW to N
10 kt late. Seas 2 to 4 ft.
.THU...Variable winds less than 5 kt. Seas 3 ft or less.
.THU NIGHT...Variable winds less than 5 kt W of 89W, and W to NW
10 kt E of 89W. Seas 3 ft or less.
$$
GMZ057-281930-
NE Gulf of America N of 26N E of 87W-
217 AM EST Sun Dec 28 2025
.TODAY...Variable winds less than 5 kt, becoming SE to S 10 kt in
the afternoon. Seas 3 ft or less.
.TONIGHT...S winds 10 kt. Seas 3 ft or less.
.MON...SW to W winds 10 to 15 kt. Seas 3 ft or less, building to
3 to 5 ft in the afternoon.
.MON NIGHT...NW to N winds 15 to 20 kt. Seas 5 to 7 ft.
.TUE...N winds 15 to 20 kt. Seas 6 to 8 ft.
.TUE NIGHT...N winds 15 kt. Seas 5 to 7 ft.
.WED...N winds 10 kt. Seas 3 to 5 ft.
.WED NIGHT...NW to N winds 10 kt. Seas 3 ft or less.
.THU...NW to N winds 10 kt in the morning, becoming variable less
than 5 kt. Seas 3 ft or less.
.THU NIGHT...W to NW winds 10 kt. Seas 3 ft or less.
$$
GMZ058-281930-
W Central Gulf of America from 22N to 26N W of 94W-
217 AM EST Sun Dec 28 2025
...GALE WARNING...
.TODAY...SE to S winds 15 kt. Seas 3 to 5 ft.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. Scattered
showers.
.MON...W of 96W, variable winds less than 5 kt, becoming N 25 to
35 kt in the afternoon. E of 96W, E to SE winds 10 kt, becoming
NE 25 to 30 kt in the afternoon. Seas 7 to 10 ft in E to SE swell.
Scattered showers and isolated tstms.
.MON NIGHT...W of 96W, N winds 30 to 40 kt, diminishing to 20 to
30 kt late. E of 96W, N to NE winds 20 to 30 kt. Seas
10 to 16 ft in N swell. Scattered showers.
.TUE...N winds 20 to 25 kt. Seas 9 to 14 ft in N to NE swell.
.TUE NIGHT...N to NE winds 15 to 20 kt. Seas 7 to 11 ft in NE
swell.
.WED...NE winds 10 to 15 kt. Seas 5 to 7 ft in NE swell.
.WED NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft.
.THU...SE to S winds 10 kt. Seas 2 to 4 ft.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less.
$$
GMZ045-281930-
W Central Gulf of America from 22N to 26N between 91W and 94W-
217 AM EST Sun Dec 28 2025
.TODAY...SE to S winds 15 to 20 kt. Seas 3 to 5 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...S of 24N, E winds 10 to 15 kt. N of 24N, SE winds 10 kt,
becoming N to NE 20 to 25 kt in the afternoon. Seas 2 to 4 ft,
building to 6 to 9 ft in E to SE swell in the afternoon.
Scattered showers.
.MON NIGHT...N to NE winds 15 to 20 kt S of 24N, and N to NE
20 to 25 kt N of 24N. Seas 8 to 12 ft in NW to N swell. Scattered
showers.
.TUE...N to NE winds 20 to 25 kt. Seas 8 to 12 ft in NW to N
swell.
.TUE NIGHT...N to NE winds 20 to 25 kt, diminishing to 10 to
15 kt late. Seas 7 to 11 ft in N to NE swell.
.WED...NE winds 10 to 15 kt. Seas 6 to 8 ft in NE swell.
.WED NIGHT...NE winds 10 kt in the evening, becoming variable
less than 5 kt. Seas 3 to 5 ft in NE swell.
.THU...S of 24N, NE to E winds 10 kt in the morning. Variable
winds less than 5 kt in the afternoon. N of 24N, variable winds
less than 5 kt in the morning. Seas 2 to 4 ft.
.THU NIGHT...S of 24N, E winds 10 kt. N of 24N, variable winds
less than 5 kt, becoming SE to S 10 kt late. Seas 3 ft
or less.
$$
GMZ046-281930-
Central Gulf of America from 22N to 26N between 87W and 91W-
217 AM EST Sun Dec 28 2025
.TODAY...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.TONIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...E winds 10 kt S of 24N, and variable less than 5 kt N of
24N. Seas 3 ft or less, building to 3 to 5 ft in the afternoon.
.MON NIGHT...N to NE winds 10 to 15 kt S of 24N, and N to NE
20 to 25 kt N of 24N. Seas 6 to 9 ft in E to SE swell. Scattered
showers.
.TUE...N to NE winds 20 to 25 kt. Seas 7 to 10 ft in NW to N
swell.
.TUE NIGHT...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in N
swell.
.WED...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in N to NE
swell.
.WED NIGHT...N to NE winds 10 kt in the evening, becoming
variable less than 5 kt. Seas 3 to 5 ft.
.THU...N winds 10 kt in the morning, becoming variable less than
5 kt. Seas 2 to 4 ft.
.THU NIGHT...N to NE winds 10 kt S of 24N, and variable less than
5 kt N of 24N. Seas 3 ft or less in NE swell, subsiding to 3 ft
or less late.
$$
GMZ047-281930-
SE Gulf of America from 22N to 26N E of 87W including Straits of
Florida-
217 AM EST Sun Dec 28 2025
.TODAY...E winds 10 kt. Seas 3 ft or less.
.TONIGHT...E to SE winds 10 kt. Seas 3 ft or less.
.MON...E to SE winds 10 kt S of 24N, and variable less than 5 kt
N of 24N. Seas 3 ft or less.
.MON NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less,
building to 5 to 7 ft in SE to S swell late.
.TUE...S of 24N, N to NE winds 10 kt, increasing to 15 to 20 kt
in the afternoon, Seas 2 to 4 ft, building to 6 to 8 ft in the
afternoon. N of 24N, N winds 15 to 20 kt. Seas 6 to 8 ft.
.TUE NIGHT...N to NE winds 15 to 20 kt. Seas 7 to 10 ft S of 24N,
and 6 to 8 ft N of 24N.
.WED...N to NE winds 10 to 15 kt. Seas 6 to 8 ft in NW to N
swell.
.WED NIGHT...N winds 10 kt. Seas 4 to 6 ft in NW to N swell.
.THU...N winds 10 kt. Seas 2 to 4 ft.
.THU NIGHT...N winds 10 kt. Seas 3 ft or less.
$$
GMZ048-281930-
SW Gulf of America S of 22N W of 94W-
217 AM EST Sun Dec 28 2025
...GALE WARNING...
...GALE CONDITIONS POSSIBLE TUE AND TUE NIGHT...
.TODAY...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.TONIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...NE winds 10 kt. Seas 3 ft or less, building to 5 to 7 ft
in NE to E swell in the afternoon. Scattered showers.
.MON NIGHT...N winds 25 to 35 kt. Seas 10 to 16 ft in N swell.
Scattered showers and isolated tstms.
.TUE...NW winds 30 to 40 kt S of 21N W of 95W, and N 25 to 30 kt
elsewhere. Seas 12 to 18 ft in NW to N swell.
.TUE NIGHT...NW to N winds 25 to 35 kt S of 21N W of 95W, and N
20 to 25 kt elsewhere. Seas 10 to 16 ft in N swell.
.WED...N to NE winds 15 to 20 kt. Seas 7 to 11 ft in N to NE
swell.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in NE
swell.
.THU...E winds 10 kt. Seas 3 to 5 ft.
.THU NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ049-281930-
Central Bay of Campeche-
217 AM EST Sun Dec 28 2025
.TODAY...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...E winds 10 to 15 kt. Seas 3 ft or less. Scattered showers.
.MON NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less,
building to 3 to 5 ft late. Scattered showers.
.TUE...N to NE winds 10 to 15 kt S of 20N, and NE 20 to 25 kt N
of 20N. Seas 9 to 13 ft in NW swell.
.TUE NIGHT...NE winds 20 to 25 kt. Seas 9 to 13 ft in NW to N
swell.
.WED...NE winds 15 to 20 kt. Seas 7 to 11 ft in N swell.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in N to NE
swell.
.THU...E winds 10 kt. Seas 3 to 5 ft.
.THU NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ050-281930-
E Bay of Campeche including Campeche Bank-
217 AM EST Sun Dec 28 2025
.TODAY...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...E winds 10 to 15 kt. Seas 3 ft or less. Scattered showers.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. Scattered
showers.
.TUE...N to NE winds 15 to 20 kt. W of 90W, seas 3 to 5 ft,
building to 7 to 10 ft in the afternoon. E of 90W, seas 3 ft or
less, building to 5 to 7 ft in the afternoon.
.TUE NIGHT...NE winds 20 to 25 kt. Seas 7 to 11 ft in NW to N
swell.
.WED...NE winds 15 to 20 kt. Seas 6 to 8 ft in N swell.
.WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...NE winds 10 kt. Seas 2 to 4 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less.
$$
Forecaster AL
