Offshore Marine Forecast
000
FZNT24 KNHC 180858
OFFNT4
Offshore Waters Forecast for the Gulf of America
NWS National Hurricane Center Miami, FL
458 AM EDT Sat Jul 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.
GMZ001-182100-
Synopsis for the Gulf of America
458 AM EDT Sat Jul 18 2026
.SYNOPSIS...Low pressure across the eastern Gulf will remain
nearly stationary through the weekend then begin to drift
northward Sun night through early next week, supporting periods
of active thunderstorms in that region. Elsewhere, weak high
pressure will dominate, producing gentle to moderate winds and
slight to moderate seas through the period.
$$
GMZ040-182100-
NW Gulf of America including Stetson Bank-
458 AM EDT Sat Jul 18 2026
.TODAY...SE to S winds 10 kt. Seas 2 to 4 ft.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...S winds 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...S winds 10 kt. Seas 3 ft or less.
.MON...S of 27N, S winds 10 kt. N of 27N, SW winds 10 kt in the
morning, becoming variable less than 5 kt. Seas 3 ft or less.
.MON NIGHT...S winds 10 kt. Seas 3 ft or less.
.TUE...S to SW winds 10 kt. Seas 3 ft or less.
.TUE NIGHT...S winds 10 kt. Seas 3 ft or less.
.WED...S winds 10 kt. Seas 3 ft or less.
.WED NIGHT...S winds 10 kt. Seas 3 ft or less.
$$
GMZ041-182100-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
458 AM EDT Sat Jul 18 2026
.TODAY...W of 92W, S winds 10 kt in the morning, becoming
variable less than 5 kt. E of 92W, variable winds less than 5 kt,
becoming NW to N 10 kt in the afternoon. Seas 2 to 4 ft.
.TONIGHT...Variable winds less than 5 kt W of 92W, and NW to N
10 kt E of 92W. Seas 3 ft or less.
.SUN...Variable winds less than 5 kt W of 92W, and NW to N 10 kt
E of 92W. Seas 3 ft or less.
.SUN NIGHT...W of 92W, variable winds less than 5 kt, becoming SW
to W 10 kt late. E of 92W, NW winds 10 kt. Seas 3 ft or
less.
.MON...NW winds 10 kt. Seas 3 ft or less.
.MON NIGHT...W winds 10 kt. Seas 3 ft or less.
.TUE...SW to W winds 10 kt. Seas 3 ft or less.
.TUE NIGHT...SW winds 10 kt. Seas 3 ft or less.
.WED...W of 92W, SW to W winds 10 kt in the morning, becoming
variable less than 5 kt. E of 92W, W winds 10 kt. Seas 3 ft or
less.
.WED NIGHT...SW winds 10 kt. Seas 3 ft or less.
$$
GMZ056-182100-
N Central Gulf of America Offshore Waters-
458 AM EDT Sat Jul 18 2026
.TODAY...NW to N winds 10 to 15 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.TONIGHT...NW to N winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.SUN...NW to N winds 10 kt. Seas 2 to 4 ft. Scattered showers and
isolated tstms.
.SUN NIGHT...NW winds 10 kt. Seas 2 to 4 ft. Scattered showers
and isolated tstms.
.MON...NW winds 10 kt. Seas 3 ft or less.
.MON NIGHT...W winds 10 kt. Seas 3 ft or less.
.TUE...W winds 10 kt. Seas 3 ft or less.
.TUE NIGHT...SW to W winds 10 kt. Seas 3 ft or less.
.WED...W winds 10 kt. Seas 3 ft or less.
.WED NIGHT...SW to W winds 10 kt. Seas 3 ft or less.
$$
GMZ057-182100-
NE Gulf of America N of 26N E of 87W-
458 AM EDT Sat Jul 18 2026
.TODAY...NW to N winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.TONIGHT...W to NW winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.SUN...SW to W winds 10 to 15 kt. Seas 2 to 4 ft. Scattered
showers and isolated tstms.
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 2 to 4 ft. Scattered
showers and isolated tstms.
.MON...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.TUE...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.WED NIGHT...SW to W winds 10 kt. Seas 3 ft or less.
$$
GMZ058-182100-
W Central Gulf of America from 22N to 26N W of 94W-
458 AM EDT Sat Jul 18 2026
.TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers
and isolated tstms.
.TONIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less.
.TUE...SE winds 10 to 15 kt. Seas 3 ft or less.
.TUE NIGHT...SE winds 10 kt. Seas 3 ft or less.
.WED...SE winds 10 kt. Seas 3 ft or less.
.WED NIGHT...SE winds 10 kt. Seas 3 ft or less.
$$
GMZ045-182100-
W Central Gulf of America from 22N to 26N between 91W and 94W-
458 AM EDT Sat Jul 18 2026
.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...E winds 10 kt. 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. Seas 3 ft or less.
.MON NIGHT...E winds 10 kt S of 24N, and variable less than 5 kt
N of 24N. Seas 3 ft or less.
.TUE...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.
.TUE NIGHT...E to SE winds 10 kt. Seas 3 ft or less.
.WED...SE winds 10 to 15 kt. Seas 3 ft or less.
.WED NIGHT...E to SE winds 10 kt. Seas 3 ft or less.
$$
GMZ046-182100-
Central Gulf of America from 22N to 26N between 87W and 91W-
458 AM EDT Sat Jul 18 2026
.TODAY...NE winds 10 kt. Seas 2 to 4 ft.
.TONIGHT...N to NE winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.SUN...S of 24N, NE to E winds 10 kt in the morning, becoming
variable less than 5 kt. N of 24N, NW to N winds 10 kt. Seas 3 ft
or less. Scattered showers and isolated tstms.
.SUN NIGHT...N winds 10 kt. Seas 3 ft or less.
.MON...S of 24N, SE to S winds 10 kt in the morning, becoming
variable less than 5 kt. N of 24N, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Seas 3 ft or less.
.MON NIGHT...S of 24N, N to NE winds 10 kt, shifting to E to SE
late. N of 24N, W to NW winds 10 kt in the evening,
becoming variable less than 5 kt. Seas 3 ft or less.
.TUE...S winds 10 kt. Seas 3 ft or less.
.TUE NIGHT...S of 24N, E winds 10 to 15 kt. N of 24N, variable
winds less than 5 kt, becoming SE to S 10 kt late. Seas
3 ft or less.
.WED...E winds 10 kt S of 24N, and variable less than 5 kt N of
24N. Seas 3 ft or less.
.WED NIGHT...NE to E winds 10 kt S of 24N, and variable less than
5 kt N of 24N. Seas 3 ft or less.
$$
GMZ047-182100-
SE Gulf of America from 22N to 26N E of 87W including Straits of
Florida-
458 AM EDT Sat Jul 18 2026
.TODAY...N winds 10 kt. Seas 2 to 4 ft. Scattered showers and
isolated tstms.
.TONIGHT...S of 24N, NE winds 10 kt. N of 24N, variable winds
less than 5 kt, becoming SW 10 kt late. Seas 2 to 4 ft.
Scattered showers and isolated tstms.
.SUN...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.
.SUN NIGHT...Variable winds less than 5 kt S of 24N, and SW 10 kt
N of 24N. Seas 3 ft or less.
.MON...SW winds 10 kt. Seas 3 ft or less.
.MON NIGHT...S of 24N, variable winds less than 5 kt, becoming E
to SE 10 kt late. N of 24N, SW winds 10 kt. Seas 3 ft
or less.
.TUE...SE to S winds 10 kt. 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 2 to 4 ft.
.WED...S of 24N, NE to 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.
.WED NIGHT...NE winds 10 kt. Seas 3 ft or less.
$$
GMZ048-182100-
SW Gulf of America S of 22N W of 94W-
458 AM EDT Sat Jul 18 2026
.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...E winds 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...NE to E winds 10 kt. Seas 2 to 4 ft.
.MON...E winds 10 kt. Seas 3 ft or less.
.MON NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
.TUE...E winds 10 kt. Seas 3 ft or less.
.TUE NIGHT...E winds 10 kt. Seas 3 ft or less.
.WED...E winds 10 kt. Seas 3 ft or less.
.WED NIGHT...S of 21N W of 95W, NE to E winds 10 kt in the
evening, becoming variable less than 5 kt. Elsewhere, E winds
10 kt. Seas 3 ft or less.
$$
GMZ049-182100-
Central Bay of Campeche-
458 AM EDT Sat Jul 18 2026
.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft.
.SUN...E winds 15 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...E winds 10 to 15 kt. Seas 2 to 4 ft.
.MON NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less.
.TUE...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
.TUE NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.WED...E winds 10 to 15 kt. Seas 2 to 4 ft.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
$$
GMZ050-182100-
E Bay of Campeche including Campeche Bank-
458 AM EDT Sat Jul 18 2026
.TODAY...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...NE winds 15 to 20 kt W of 90W, and NE to E 10 to 15 kt
E of 90W. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.
.MON NIGHT...N to NE winds 10 to 15 kt, shifting to E late. Seas
3 ft or less.
.TUE...SE winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 3 ft or less.
.TUE NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.WED...E to SE winds 10 to 15 kt, shifting to NE in the
afternoon. Seas 2 to 4 ft.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
$$
Forecaster Stripling