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National Weather Service Marine Forecast FZNT24 KNHC

FZNT24 KNHC 172018
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
318 PM EST Sun Jan 17 2021

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.

GMZ001-180830-
Synopsis for the Gulf of Mexico
318 PM EST Sun Jan 17 2021

SYNOPSIS
High pressure will dominate the Gulf waters over the
next several days. Fresh to strong southerly return flow will
set up over the NW Gulf Mon night into Tue between the high
pressure and lower pressure farther west over northeast Mexico.
These winds will diminish some by mid week. Fresh to locally
strong winds are expected near and to the NW of the Yucatan
Peninsula through Wed night due to local effects.



GMZ011-180830-
NW Gulf including Stetson Bank-
318 PM EST Sun Jan 17 2021

TONIGHT
Variable winds less than 5 kt. Seas 3 ft or less.

MON
SE to S winds 10 to 15 kt. Seas 3 ft or less.

MON NIGHT
SE to S winds 20 to 25 kt. Seas 4 to 6 ft.

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

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

WED
SE winds 10 to 15 kt. Seas 3 to 5 ft.

WED NIGHT
SE winds 15 kt. Seas 3 to 5 ft.

THU
S winds 15 kt. Seas 3 to 5 ft.

THU NIGHT
S winds 10 to 15 kt. Seas 3 to 5 ft.

FRI
S winds 15 to 20 kt. Seas 3 to 5 ft.

FRI NIGHT
S winds 10 kt. Seas 2 to 4 ft.



GMZ013-180830-
N Central Gulf including Flower Garden Banks Marine Sanctuary-
318 PM EST Sun Jan 17 2021

TONIGHT
W of 90W, NW to N winds 10 kt in the evening,
becoming variable less than 5 kt. Elsewhere, NW winds 10 to
15 kt. Seas 3 ft or less.

MON
W of 90W, variable winds less than 5 kt, becoming SE
10 kt in the afternoon. Elsewhere, NW to N winds 10 to 15 kt in
the morning, becoming variable less than 5 kt. Seas 3 ft or
less.

MON NIGHT
SE winds 15 to 20 kt. Seas 2 to 4 ft W of 90W, and
3 ft or less elsewhere.

TUE
SE winds 10 to 15 kt. Seas 2 to 4 ft W of 90W, and 3 ft
or less elsewhere.

TUE NIGHT
E to SE winds 10 to 15 kt. Seas 2 to 4 ft.

WED
E winds 10 to 15 kt. Seas 2 to 4 ft.

WED NIGHT
SE winds 10 to 15 kt. Seas 2 to 4 ft.

THU
S winds 10 to 15 kt. Seas 2 to 4 ft.

THU NIGHT
S winds 10 to 15 kt. Seas 2 to 4 ft.

FRI
S to SW winds 10 to 15 kt. Seas 2 to 4 ft.

FRI NIGHT
S to SW winds 10 kt. Seas 2 to 4 ft.



GMZ015-180830-
NE Gulf N of 25N E of 87W-
318 PM EST Sun Jan 17 2021

TONIGHT
W to NW winds 10 to 15 kt. Seas 2 to 4 ft.

MON
N winds 10 to 15 kt. Seas 3 ft or less.

MON NIGHT
NE to E winds 10 to 15 kt. Seas 3 ft or less.

TUE
NE to E winds 10 to 15 kt. Seas 3 ft or less.

TUE NIGHT
NE to E winds 10 to 15 kt. Seas 3 ft or less.

WED
NE winds 10 to 15 kt. Seas 3 ft or less.

WED NIGHT
E winds 10 to 15 kt. Seas 3 ft or less.

THU
SE winds 10 kt. Seas 3 ft or less.

THU NIGHT
S winds 10 kt. Seas 3 ft or less.

FRI
S winds 10 kt. Seas 3 ft or less.

FRI NIGHT
S to SW winds 10 kt. Seas 3 ft or less.



GMZ017-180830-
W Central Gulf from 22N to 26N W of 94W-
318 PM EST Sun Jan 17 2021

TONIGHT
E to SE winds 10 to 15 kt. Seas 3 ft or less.

MON
SE winds 15 to 20 kt. Seas 3 ft or less, building to 2 to
4 ft in the afternoon.

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

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

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

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

WED NIGHT
E to SE winds 10 to 15 kt. Seas 4 to 6 ft.

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

THU NIGHT
SE to S winds 10 to 15 kt. Seas 3 to 5 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.



GMZ019-180830-
Central Gulf from 22N to 26N between 87W and 94W-
318 PM EST Sun Jan 17 2021

TONIGHT
N to NE winds 10 kt. Seas 2 to 4 ft, subsiding to
3 ft or less late.

MON
NE to E winds 10 to 15 kt. Seas 3 ft or less.

MON NIGHT
E to SE winds 15 to 20 kt. Seas 2 to 4 ft.

TUE
E to SE winds 15 to 20 kt. Seas 2 to 4 ft.

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

WED
NE to E winds 15 kt. Seas 3 to 5 ft.

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

THU
SE winds 10 to 15 kt. Seas 2 to 4 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 kt. Seas 3 ft or less.



GMZ021-180830-
E Gulf from 22N to 25N E of 87W including Straits of Florida-
318 PM EST Sun Jan 17 2021

TONIGHT
Straits of Florida, NW to N winds 10 kt in the
evening, becoming variable less than 5 kt. Elsewhere, NW winds
10 kt. Seas 2 to 4 ft.

MON
N winds 10 kt. Seas 3 ft or less.

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

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

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

WED
NE winds 15 kt. Seas 3 to 5 ft.

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

THU
E winds 10 to 15 kt. Seas 2 to 4 ft.

THU NIGHT
E to SE winds 10 to 15 kt. Seas 2 to 4 ft.

FRI
SE winds 10 kt. Seas 3 ft or less.

FRI NIGHT
E to SE winds 10 kt. Seas 3 ft or less.



GMZ023-180830-
SW Gulf S of 22N W of 94W-
318 PM EST Sun Jan 17 2021

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

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

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

WED
E winds 15 to 20 kt. Seas 4 to 6 ft.

WED NIGHT
E winds 10 to 15 kt. Seas 4 to 6 ft.

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

THU NIGHT
E to SE winds 10 to 15 kt. Seas 2 to 4 ft.

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

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



GMZ025-180830-
E Bay of Campeche including Campeche Bank-
318 PM EST Sun Jan 17 2021

TONIGHT
NE winds 15 to 20 kt. Seas 2 to 4 ft.

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

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

TUE
E winds 15 to 20 kt. Seas 3 ft or less within 60 nm of
coast of Campeche, and 2 to 4 ft elsewhere.

TUE NIGHT
NE to E winds 20 to 25 kt. Seas 3 to 5 ft.

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

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

THU
E winds 10 to 15 kt. Seas 2 to 4 ft.

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

FRI
E to SE winds 10 to 15 kt. Seas 3 ft or less.

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



Forecaster GR