Offshore Marine Forecast
000
FZNT24 KNHC 190718
OFFNT4
Offshore Waters Forecast for the Gulf of America
NWS National Hurricane Center Miami, FL
318 AM EDT Fri Jun 19 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.
GMZ001-191930-
Synopsis for the Gulf of America
318 AM EDT Fri Jun 19 2026
.SYNOPSIS...The western periphery of Atlantic high pressure
extends westward across Florida and to the central Gulf. The
pressure gradient between the high pressure and relatively lower
pressures over Texas and northeastern Mexico will generally
support mostly fresh southerly winds over the western and
central Gulf, and gentle to moderate anticyclonic winds over the
eastern Gulf through Fri. Winds over the western and central
Gulf will change little through early Mon, then diminish to
gentle to moderate speeds afterward. Winds over the eastern Gulf
become light to gentle in speeds beginning Fri night as weak
high pressure settles over the eastern Gulf.
$$
GMZ040-191930-
NW Gulf of America including Stetson Bank-
318 AM EDT Fri Jun 19 2026
.TODAY...SE winds 10 to 15 kt. Seas 6 to 8 ft in E to SE swell.
.TONIGHT...SE winds 15 kt. Seas 5 to 7 ft.
.SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft.
.SUN...SE to S winds 15 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft.
.MON...SE to S winds 15 kt. Seas 5 to 7 ft in SE swell.
.MON NIGHT...SE to S winds 15 kt. Seas 4 to 6 ft.
.TUE...SE to S winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
$$
GMZ041-191930-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
318 AM EDT Fri Jun 19 2026
.TODAY...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in SE swell.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft.
.SUN...SE to S winds 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft.
.MON...SE to S winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in SE swell.
.TUE NIGHT...SE winds 10 kt. Seas 3 to 5 ft in SE swell.
$$
GMZ056-191930-
N Central Gulf of America Offshore Waters-
318 AM EDT Fri Jun 19 2026
.TODAY...S winds 15 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in SE to S
swell.
.SUN...SE to S winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...S winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...S winds 10 kt. Seas 3 to 5 ft.
.TUE...S winds 10 kt in the morning, becoming variable less than
5 kt. Seas 2 to 4 ft.
.TUE NIGHT...SE winds 10 kt. Seas 2 to 4 ft.
$$
GMZ057-191930-
NE Gulf of America N of 26N E of 87W-
318 AM EDT Fri Jun 19 2026
.TODAY...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell.
.TONIGHT...S to SW winds 10 kt. Seas 3 to 5 ft.
.SAT...SW winds 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...W of 85W, SE to S winds 10 kt late.
Variable winds less than 5 kt in the evening. E of 85W, variable
less than 5 kt. Seas 2 to 4 ft.
.SUN...Variable winds less than 5 kt. Seas 2 to 4 ft.
.SUN NIGHT...S winds 10 kt W of 85W, and variable less than 5 kt
E of 85W. Seas 2 to 4 ft.
.MON...S to SW winds 10 kt W of 85W, and variable less than 5 kt
E of 85W. Seas 2 to 4 ft.
.MON NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.
.TUE...Variable winds less than 5 kt. Seas 2 to 4 ft.
.TUE NIGHT...W of 85W, variable winds less than 5 kt, becoming NW
10 kt late. E of 85W, NW winds 10 kt in the evening, becoming
variable less than 5 kt. Seas 2 to 3 ft.
$$
GMZ058-191930-
W Central Gulf of America from 22N to 26N W of 94W-
318 AM EDT Fri Jun 19 2026
.TODAY...SE winds 15 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft.
.SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.SUN...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft.
$$
GMZ045-191930-
W Central Gulf of America from 22N to 26N between 91W and 94W-
318 AM EDT Fri Jun 19 2026
.TODAY...SE winds 15 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft.
.SAT...SE winds 15 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft.
.SUN...SE winds 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft.
$$
GMZ046-191930-
Central Gulf of America from 22N to 26N between 87W and 91W-
318 AM EDT Fri Jun 19 2026
.TODAY...SE winds 15 to 20 kt. Seas 5 to 7 ft in SE swell.
.TONIGHT...SE winds 15 to 20 kt. Seas 6 to 8 ft.
.SAT...SE winds 15 to 20 kt. Seas 6 to 8 ft in SE swell.
.SAT NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 15 to 20 kt S of 24N, and E 10 to 15 kt N of
24N. Seas 3 to 5 ft.
$$
GMZ047-191930-
SE Gulf of America from 22N to 26N E of 87W including Straits of
Florida-
318 AM EDT Fri Jun 19 2026
.TODAY...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Isolated
showers and thunderstorms.
.TONIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Isolated showers
and thunderstorms.
.SAT...E to SE winds 10 kt. Seas 3 to 4 ft. Isolated showers and
thunderstorms.
.SAT NIGHT...E to SE winds 10 kt. Seas 3 to 4 ft. Isolated
showers and thunderstorms.
.SUN...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 to 4 ft.
.SUN NIGHT...SE winds 10 kt. Seas 3 to 4 ft.
.MON...E to SE winds 10 kt S of 24N, and variable less than 5 kt
N of 24N. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...E winds 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...NE to E winds 10 kt. Seas 3 to 4 ft.
$$
GMZ048-191930-
SW Gulf of America S of 22N W of 94W-
318 AM EDT Fri Jun 19 2026
.TODAY...SE winds 15 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
$$
GMZ049-191930-
Central Bay of Campeche-
318 AM EDT Fri Jun 19 2026
.TODAY...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...SE winds 15 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft.
$$
GMZ050-191930-
E Bay of Campeche including Campeche Bank-
318 AM EDT Fri Jun 19 2026
.TODAY...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...NE winds 15 to 20 kt, shifting to SE late.
Seas 4 to 6 ft.
.SAT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...NE winds 15 to 20 kt, shifting to SE late.
Seas 4 to 6 ft.
.SUN...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.MON...E to SE winds 15 to 20 kt. W of 90W, seas 4 to 6 ft. E of
90W, seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon.
.MON NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...NE to E winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft.
$$
Forecaster Aguirre