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National Weather Service Marine Forecast FZNT24 KNHC

FZNT24 KNHC 212141 CCA
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico...Corrected
NWS National Hurricane Center Miami, FL
415 PM EST Mon Jan 21 2019

Corrected last line in synopsis

Offshore Waters Forecast for the Gulf of Mexico

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.

GMZ001-220915-
Synopsis for the Gulf of Mexico
415 PM EST Mon Jan 21 2019

SYNOPSIS
Strong high pressure ridging extending southward
over the Gulf from the central United States will shift eastward
toward Cape Hatteras as low pressure deepens over the southern
Plains. This will allow for strong southerly winds to develop
over the western Gulf of Mexico by Tue morning and the remainder
of the basin by Tue night. Another strong cold front is expected
to enter the NW Gulf early on Wed followed by gale force
northwest to north winds over the far western Gulf from southern
Texas to the coast of Mexico near Veracruz. This front will
reach from near the NE Gulf to the Yucatan Peninsula early Thu,
then weaken as it exits the SE Gulf Thu night. High pressure
will build across the area in the wake of the front through Sat
night.



GMZ011-220915-
NW Gulf including Stetson Bank-
415 PM EST Mon Jan 21 2019

GALE CONDITIONS POSSIBLE WED


TONIGHT
SE to S winds 20 to 25 kt. Seas 3 to 5 ft, building to
6 to 8 ft late.

TUE
S winds 20 to 30 kt. Seas 7 to 10 ft.

TUE NIGHT
S winds 20 to 25 kt. Seas 7 to 10 ft in E to SE
swell.

WED
SW winds 20 to 25 kt, becoming NW to N 20 to 30 kt in the
late morning except 30 to 35 kt W of 96W. Seas 8 to 11 ft. Scattered
showers and isolated thunderstorms ahead of front.

WED NIGHT
NW to N winds 20 to 25 kt. Seas 8 to 10 ft in E to
SE swell.

THU
NE winds 10 to 15 kt. Seas 3 to 5 ft.

THU NIGHT
NE to E winds 10 kt. Seas 2 to 4 ft.

FRI
NE to E winds 10 kt. Seas 2 to 4 ft.

FRI NIGHT
E to SE winds 5 to 10 kt. Seas 2 to 4 ft.

SAT
SE winds 15 to 20 kt. Seas 2 to 4 ft.

SAT NIGHT
SE to S winds 20 to 25 kt, becoming N 25 to 35 kt
late. Seas 5 to 7 ft, building to 8 to 12 ft late.



GMZ013-220915-
N Central Gulf including Flower Garden Banks Marine Sanctuary-
415 PM EST Mon Jan 21 2019

TONIGHT
SE winds 15 to 20 kt. Seas 3 to 5 ft.

TUE
SE to S winds 20 to 25 kt. Seas 6 to 8 ft.

TUE NIGHT
SE to S winds 20 to 25 kt. Seas 8 to 10 ft.
Scattered showers.

WED
SW winds 20 to 30 kt. Seas 8 to 11 ft. Scattered showers
and isolated thunderstorms.

WED NIGHT
NW winds 20 to 25 kt. Seas 8 to 10 ft.

THU
N winds 15 to 20 kt. Seas 6 to 8 ft.

THU NIGHT
N to NE winds 10 to 15 kt. Seas 4 to 6 ft, subsiding
to 2 to 4 ft late.

FRI
NE winds 10 to 15 kt. Seas 2 to 4 ft.

FRI NIGHT
NE to E winds 10 to 15 kt. Seas 2 to 4 ft.

SAT
E winds 15 to 20 kt. Seas 2 to 4 ft.

SAT NIGHT
E winds 20 to 30 kt. Seas 6 to 8 ft.



GMZ015-220915-
NE Gulf N of 25N E of 87W-
415 PM EST Mon Jan 21 2019

TONIGHT
E to SE winds 15 to 20 kt. Seas 4 to 6 ft.

TUE
E to SE winds 20 to 25 kt. Seas 5 to 7 ft.

TUE NIGHT
SE winds 20 to 25 kt. Seas 7 to 10 ft. Scattered
showers.

WED
SE to S winds 20 to 25 kt. Seas 7 to 11 ft in N swell.
Scattered showers.

WED NIGHT
S winds 20 to 25 kt, shifting to SW to W late. Seas
6 to 9 ft in SE to S swell.

THU
NW winds 15 to 20 kt. Seas 6 to 8 ft.

THU NIGHT
N winds 15 to 20 kt. Seas 4 to 6 ft.

FRI
N to NE winds 15 to 20 kt. Seas 4 to 6 ft.

FRI NIGHT
N to NE winds 15 to 20 kt. Seas 3 to 5 ft.

SAT
NE to E winds 15 to 20 kt. Seas 3 to 5 ft.

SAT NIGHT
NE winds 15 to 20 kt. Seas 2 to 4 ft.



GMZ017-220915-
W Central Gulf from 22N to 26N W of 94W-
415 PM EST Mon Jan 21 2019

GALE CONDITIONS POSSIBLE WED


TONIGHT
SE to S winds 20 to 25 kt. Seas 3 to 5 ft, building to
6 to 8 ft late.

TUE
SE to S winds 20 to 30 kt. Seas 7 to 10 ft in N to NE
swell.

TUE NIGHT
SE to S winds 20 to 25 kt. Seas 7 to 10 ft in NE
swell.

WED
W of 96W, SW to W winds 15 to 20 kt, becoming NW to N
30 to 35 kt in the late morning and afternoon. Elsewhere, S to SW
winds 15 to 20 kt, becoming NW 30 to 35 kt in the afternoon. Seas
7 to 10 ft in E to SE swell, building to 10 to 15 ft in the
afternoon. Scattered showers and isolated thunderstorms.

WED NIGHT
N winds 20 to 30 kt. Seas 8 to 12 ft in E swell.

THU
N to NE winds 10 to 15 kt. Seas 6 to 8 ft in N to NE
swell.

THU NIGHT
NE to E winds 5 to 10 kt. Seas 2 to 4 ft.

FRI
NE to E winds 5 to 10 kt. Seas 2 to 4 ft.

FRI NIGHT
E winds 10 to 15 kt. Seas 3 to 4 ft.

SAT
SE to S winds 15 to 20 kt. Seas 3 to 5 ft.

SAT NIGHT
S winds 10 to 15 kt, becoming NW 25 to 35 kt late.
Seas 3 to 5 ft, building to 7 to 10 ft in E swell late.



GMZ019-220915-
Central Gulf from 22N to 26N between 87W and 94W-
415 PM EST Mon Jan 21 2019

TONIGHT
E to SE winds 15 to 20 kt. Seas 3 to 5 ft.

TUE
SE winds 20 to 25 kt. Seas 4 to 6 ft.

TUE NIGHT
SE winds 20 to 25 kt. Seas 6 to 8 ft.

WED
SE to S winds 20 to 25 kt S of 24N, and S 20 to 30 kt
elsewhere. Seas 6 to 9 ft in E swell. Scattered showers and
isolated thunderstorms.

WED NIGHT
NW winds 20 to 30 kt. Seas 7 to 10 ft in E swell.

THU
N winds 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 6 to 9 ft in E to SE swell.

THU NIGHT
N to NE winds 10 to 15 kt. Seas 5 to 7 ft in NW to N
swell.

FRI
N to NE winds 10 to 15 kt. Seas 4 to 6 ft.

FRI NIGHT
NE winds 10 to 15 kt. Seas 3 to 5 ft.

SAT
E to SE winds 10 to 15 kt. Seas 3 to 5 ft.

SAT NIGHT
E to SE winds 20 to 25 kt. Seas 4 to 6 ft.



GMZ021-220915-
E Gulf from 22N to 25N E of 87W including Straits of Florida-
415 PM EST Mon Jan 21 2019

TONIGHT
E winds 15 to 20 kt. Seas 5 to 7 ft.

TUE
E to SE winds 20 to 25 kt. Seas 6 to 8 ft.

TUE NIGHT
E to SE winds 20 to 25 kt. Seas 7 to 10 ft in N
swell.

WED
SE winds 20 to 25 kt. Seas 6 to 9 ft in NE swell.
Scattered showers.

WED NIGHT
S winds 15 to 20 kt. Seas 5 to 7 ft.

THU
SW to W winds 15 to 20 kt, becoming NW to N 10 to 15 kt in
the afternoon. Seas 3 to 5 ft.

THU NIGHT
N winds 15 to 20 kt. Seas 4 to 6 ft.

FRI
N to NE winds 15 to 20 kt. Seas 5 to 7 ft.

FRI NIGHT
N to NE winds 15 to 20 kt. Seas 5 to 7 ft.

SAT
NE to E winds 10 to 15 kt. Seas 4 to 6 ft.

SAT NIGHT
NE to E winds 15 to 20 kt. Seas 2 to 4 ft.



GMZ023-220915-
SW Gulf S of 22N W of 94W-
415 PM EST Mon Jan 21 2019

GALE CONDITIONS POSSIBLE WED NIGHT


TONIGHT
SE winds 15 to 20 kt. Seas 3 to 5 ft.

TUE
SE winds 15 to 20 kt. Seas 4 to 6 ft.

TUE NIGHT
SE winds 20 to 25 kt. Seas 5 to 7 ft.

WED
S winds 15 to 20 kt, becoming NW 25 to 35 kt in the
afternoon. Seas 5 to 7 ft, building to 8 to 12 ft in E swell late
in the afternoon.

WED NIGHT
NW to N winds 30 to 35 kt. Seas 10 to 15 ft.

THU
N winds 15 to 20 kt. Seas 6 to 9 ft in N swell.

THU NIGHT
NE to E winds 5 to 10 kt. Seas 4 to 6 ft in N to NE
swell.

FRI
NE winds 10 to 15 kt. Seas 4 to 6 ft.

FRI NIGHT
NE to E winds 10 to 15 kt. Seas 3 to 5 ft.

SAT
SE winds 15 to 20 kt. Seas 3 to 5 ft.

SAT NIGHT
E to SE winds 10 to 15 kt, becoming NW to N 20 to
25 kt late. Seas 3 to 5 ft.



GMZ025-220915-
E Bay of Campeche including Campeche Bank-
415 PM EST Mon Jan 21 2019

TONIGHT
E winds 15 to 20 kt. Seas 3 to 5 ft.

TUE
E to SE winds 15 to 20 kt. Seas 3 to 5 ft.

TUE NIGHT
E to SE winds 15 to 20 kt. Seas 3 to 5 ft.

WED
SE winds 15 to 20 kt, becoming S to SW 10 to 15 kt late in
the afternoon. Seas 4 to 6 ft.

WED NIGHT
NW to N winds 25 to 30 kt. Seas 5 to 7 ft.

THU
N winds 15 to 20 kt. Seas 6 to 8 ft.

THU NIGHT
N to NE winds 10 to 15 kt. Seas 4 to 6 ft.

FRI
N to NE winds 10 to 15 kt. Seas 3 to 5 ft.

FRI NIGHT
NE winds 10 to 15 kt. Seas 3 to 5 ft.

SAT
E to SE winds 10 to 15 kt. Seas 3 to 5 ft.

SAT NIGHT
NE to E winds 10 to 15 kt. Seas 3 to 5 ft.



Forecaster Aguirre