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National Weather Service Marine Forecast FZNT24 KNHC

FZNT24 KNHC 150825
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
425 AM EDT Thu Apr 15 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.

GMZ001-152030-
Synopsis for the Gulf of Mexico
425 AM EDT Thu Apr 15 2021

SYNOPSIS
A cold front will move into the northern Gulf later
this morning, then stall and weaken along 27N tonight. A stronger
cold front will move into the NW Gulf on Sat, with strong
northerly winds and building seas expected across the western
Gulf this weekend. Gale force winds are possible near the central
coast of Mexico Sat night. The front will stall from central
Florida to the Bay of Campeche Sun night and Mon.



GMZ011-152030-
NW Gulf including Stetson Bank-
425 AM EDT Thu Apr 15 2021

TODAY
SE winds 10 kt. Seas 3 to 5 ft.

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

SAT
N to NE winds 20 to 25 kt. Seas 3 to 5 ft.

SAT NIGHT
N to NE winds 20 to 25 kt. Seas 6 to 8 ft.

SUN
N to NE winds 20 to 25 kt. Seas 5 to 7 ft.

SUN NIGHT
NE winds 20 to 25 kt. Seas 5 to 7 ft.

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

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



GMZ013-152030-
N Central Gulf including Flower Garden Banks Marine Sanctuary-
425 AM EDT Thu Apr 15 2021

TODAY
S winds 10 to 15 kt, shifting to SW to W in the
afternoon. Seas 3 to 5 ft.

TONIGHT
W of 90W, E to SE winds 10 to 15 kt. Elsewhere,
variable winds less than 5 kt. Seas 2 to 4 ft.

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

FRI NIGHT
SE to S winds 15 to 20 kt. Seas 2 to 4 ft.

SAT
S to SW winds 15 to 20 kt. Seas 2 to 4 ft.

SAT NIGHT
N to NE winds 20 to 25 kt. Seas 4 to 6 ft.

SUN
NE winds 15 to 20 kt. Seas 4 to 6 ft.

SUN NIGHT
NE winds 20 to 25 kt. Seas 4 to 6 ft.

MON
NE winds 15 to 20 kt. Seas 3 to 5 ft.

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



GMZ015-152030-
NE Gulf N of 25N E of 87W-
425 AM EDT Thu Apr 15 2021

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

TONIGHT
SW winds 10 kt. Seas 2 to 4 ft.

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

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

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

SAT NIGHT
SW winds 10 to 15 kt. Seas 2 to 4 ft.

SUN
SE to S winds 10 to 15 kt. Seas 2 to 4 ft.

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

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

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



GMZ017-152030-
W Central Gulf from 22N to 26N W of 94W-
425 AM EDT Thu Apr 15 2021

GALE CONDITIONS POSSIBLE


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

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

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

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

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

SAT NIGHT
N to NE winds 25 to 35 kt. Seas 6 to 8 ft.

SUN
N to NE winds 25 to 30 kt. Seas 6 to 9 ft.

SUN NIGHT
N to NE winds 20 to 25 kt. Seas 6 to 9 ft.

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

MON NIGHT
NE winds 15 to 20 kt. Seas 4 to 6 ft.



GMZ019-152030-
Central Gulf from 22N to 26N between 87W and 94W-
425 AM EDT Thu Apr 15 2021

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

TONIGHT
E to SE winds 10 to 20 kt. Seas 2 to 4 ft.

FRI
SE to S winds 15 to 20 kt. Seas 2 to 4 ft.

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

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

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

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

SUN NIGHT
NE to E winds 20 to 25 kt. Seas 4 to 6 ft.

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

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



GMZ021-152030-
E Gulf from 22N to 25N E of 87W including Straits of Florida-
425 AM EDT Thu Apr 15 2021

TODAY
SE to S winds 10 to 15 kt. Seas 2 to 4 ft.

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

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

FRI NIGHT
SE winds 15 to 20 kt. Seas 3 ft or less.

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

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

SUN
SE to S winds 10 to 15 kt. Seas 2 to 4 ft.

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

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

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



GMZ023-152030-
SW Gulf S of 22N W of 94W-
425 AM EDT Thu Apr 15 2021

TODAY
E to SE winds 10 to 15 kt. Seas 2 to 4 ft. Patchy
smoke.

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

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

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

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

SAT NIGHT
NW to N winds 20 to 25 kt. Seas 4 to 6 ft.

SUN
NW winds 25 to 30 kt. Seas 6 to 8 ft.

SUN NIGHT
NW to N winds 20 to 25 kt. Seas 6 to 9 ft.

MON
NW winds 20 to 25 kt. Seas 6 to 8 ft.

MON NIGHT
NW to N winds 10 to 15 kt. Seas 4 to 6 ft.



GMZ025-152030-
E Bay of Campeche including Campeche Bank-
425 AM EDT Thu Apr 15 2021

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

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

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

FRI NIGHT
E winds 15 to 20 kt. Seas 3 ft or less.

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

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

SUN
W winds 15 to 20 kt. Seas 3 to 5 ft.

SUN NIGHT
W to NW winds 10 to 15 kt. Seas 3 to 5 ft.

MON
W winds 10 to 15 kt. Seas 4 to 6 ft.

MON NIGHT
SW winds 10 kt. Seas 3 to 5 ft.



Forecaster Mundell