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National Weather Service Marine Forecast FZNT24 KNHC

FZNT24 KNHC 230201
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
1001 PM EDT Tue Aug 22 2017

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.

GMZ001-231415-
Synopsis for the Gulf of Mexico
1001 PM EDT Tue Aug 22 2017

SYNOPSIS
The remnant low of tropical cyclone Harvey has moved
over water along the Yucatan coast near 21N91W at 1009 mb and will
move NW across the SW Gulf through Wed, possibly becoming a
tropical cyclone. The low will then continue NW across the west
central and NW Gulf through Fri and is expected to strengthen.



GMZ011-231415-
NW Gulf including Stetson Bank-
1001 PM EDT Tue Aug 22 2017

GALE CONDITIONS POSSIBLE


OVERNIGHT
E winds 10 to 15 kt. Seas 3 ft. Scattered showers and
isolated thunderstorms.

WED
NE winds 10 to 15 kt. Seas 3 ft. Scattered showers and
isolated thunderstorms.

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

THU
E winds 20 to 30 kt. Seas 6 to 9 ft. Numerous showers and
scattered thunderstorms.

THU NIGHT
E winds 30 to 40 kt. Seas 10 to 15 ft.

FRI
SE to S winds 30 to 45 kt. Seas 12 to 17 ft.

FRI NIGHT
S winds 30 to 40 kt, diminishing to 20 to 30 kt
late. Seas 10 to 15 ft.

SAT
S winds 20 to 30 kt. Seas 8 to 13 ft.

SAT NIGHT
S winds 20 to 25 kt. Seas 6 to 9 ft.

SUN
S winds 20 to 25 kt. Seas 5 to 7 ft.

SUN NIGHT
S to SW winds 15 to 20 kt. Seas 5 to 6 ft.



GMZ013-231415-
N Central Gulf including Flower Garden Banks Marine Sanctuary-
1001 PM EDT Tue Aug 22 2017

GALE CONDITIONS POSSIBLE


OVERNIGHT
E to SE winds 10 to 15 kt. Seas 3 ft. Scattered showers and
isolated thunderstorms.

WED
NE to E winds 10 to 15 kt. W of 90W, seas 3 to 5 ft.
Elsewhere, seas 3 ft in the morning, subsiding to 2 ft or less.
Scattered showers.

WED NIGHT
E winds 15 to 20 kt. Seas 4 to 6 ft W of 90W, and
2 ft or less elsewhere. Scattered showers and isolated thunderstorms.

THU
E to SE winds 20 to 30 kt W of 90W, and E 10 to 15 kt
elsewhere. W of 90W, seas 6 to 9 ft. Elsewhere, seas 2 ft or
less, building to 3 ft. Numerous showers and scattered thunderstorms.

THU NIGHT
E to SE winds 25 to 35 kt. Seas 6 to 9 ft.

FRI
SE winds 25 to 35 kt. Seas 6 to 9 ft.

FRI NIGHT
SE to S winds 20 to 25 kt. Seas 6 to 9 ft.

SAT
SE to S winds 20 to 25 kt. Seas 5 to 7 ft.

SAT NIGHT
SE winds 15 to 20 kt. Seas 5 to 7 ft.

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

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



GMZ015-231415-
NE Gulf N of 25N E of 87W-
1001 PM EDT Tue Aug 22 2017

OVERNIGHT
NE winds 5 to 10 kt. Seas 2 ft or less.

WED
NE winds 5 to 10 kt. Seas 2 ft or less.

WED NIGHT
NE winds 5 to 10 kt. Seas 2 ft or less.

THU
NE to E winds 5 to 10 kt. Seas 2 ft or less.

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

FRI
E to SE winds 5 to 10 kt, shifting to S to SW in the
afternoon. Seas 2 ft or less.

FRI NIGHT
W to NW winds 5 to 10 kt. Seas 2 ft or less.

SAT
N to NE winds 5 to 10 kt. Seas 2 ft or less.

SAT NIGHT
NW to N winds 5 to 10 kt. Seas 2 ft or less.

SUN
NW to N winds 5 to 10 kt. Seas 2 ft or less, building to
3 ft in the afternoon.

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



GMZ017-231415-
W Central Gulf from 22N to 26N W of 94W-
1001 PM EDT Tue Aug 22 2017

GALE CONDITIONS POSSIBLE


OVERNIGHT
NE to E winds 10 to 15 kt. Seas 3 ft. Scattered
showers.

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

WED NIGHT
NE winds 15 to 20 kt. Seas 4 to 6 ft. Numerous
showers.

THU
N winds 15 to 20 kt. Seas 4 to 6 ft W of 96W, and 6 to
9 ft elsewhere. Numerous showers and scattered thunderstorms.

THU NIGHT
NW to N winds 15 to 20 kt, shifting to W 20 to
25 kt late. Seas 7 to 10 ft.

FRI
SW winds 25 to 30 kt. Seas 6 to 9 ft.

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

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

SAT NIGHT
SE to S winds 15 to 20 kt. Seas 4 to 6 ft.

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

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



GMZ019-231415-
Central Gulf from 22N to 26N between 87W and 94W-
1001 PM EDT Tue Aug 22 2017

GALE CONDITIONS POSSIBLE


OVERNIGHT
E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered
thunderstorms.

WED
E winds 15 to 20 kt. Seas 5 to 7 ft. Scattered thunderstorms.

WED NIGHT
E to SE winds 20 to 25 kt. Seas 5 to 7 ft.
Scattered thunderstorms.

THU
SE winds 25 to 35 kt. Seas 6 to 10 ft. Numerous showers
and scattered thunderstorms.

THU NIGHT
SE winds 20 to 25 kt. Seas 6 to 9 ft.

FRI
SE to S winds 20 to 30 kt. Seas 6 to 8 ft.

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

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

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

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

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



GMZ021-231415-
E Gulf from 22N to 25N E of 87W including Straits of Florida-
1001 PM EDT Tue Aug 22 2017

OVERNIGHT
NE to E winds 5 to 10 kt. Seas 3 ft. Scattered
showers.

WED
NE winds 5 to 10 kt. Seas 2 ft or less.

WED NIGHT
NE to E winds 5 to 10 kt, shifting to SE late.
Seas 2 ft or less.

THU
S to SW winds 5 to 10 kt. Seas 2 ft or less.

THU NIGHT
S to SW winds 5 to 10 kt, shifting to SE 10 to
15 kt late. Seas 2 ft or less.

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

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

SAT
E to SE winds 10 to 15 kt. Seas 2 ft or less.

SAT NIGHT
E winds 5 to 10 kt. Seas 2 ft or less.

SUN
E to SE winds 5 to 10 kt, shifting to SW in the
afternoon. Seas 2 ft or less.

SUN NIGHT
NW winds 5 to 10 kt, shifting to NE late. Seas 2 ft or less.



GMZ023-231415-
SW Gulf S of 22N W of 94W-
1001 PM EDT Tue Aug 22 2017

OVERNIGHT
NW to N winds 10 to 15 kt. Seas 2 ft or less,
building to 3 ft late.

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

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

THU
W to NW winds 15 to 20 kt. Seas 3 to 5 ft.

THU NIGHT
NW to N winds 10 to 15 kt, shifting to S to SW 5 to
10 kt late. Seas 3 to 5 ft.

FRI
S winds 10 to 15 kt. Seas 3 to 4 ft.

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

SAT
SE to S winds 10 to 15 kt. Seas 3 to 4 ft.

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

SUN
SE winds 10 to 15 kt. Seas 3 to 4 ft.

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



GMZ025-231415-
E Bay of Campeche including Campeche Bank-
1001 PM EDT Tue Aug 22 2017

OVERNIGHT
Within 60 nm of coast of Campeche, NW to N winds
5 to 10 kt, shifting to S 10 to 15 kt late,Seas 2 ft
or less, building to 3 ft late. Elsewhere, N to NE
winds 15 to 20 kt. Seas 3 to 5 ft. Scattered thunderstorms.

WED
E winds 15 to 20 kt, shifting to SW. Within 60 nm of
coast of Campeche, seas 2 ft or less, building to 3 to 4 ft.
Elsewhere, seas 3 to 5 ft. Scattered thunderstorms.

WED NIGHT
SW winds 15 to 20 kt. Seas 3 to 5 ft. Scattered
thunderstorms.

THU
SW winds 15 to 20 kt. Seas 3 to 5 ft.

THU NIGHT
W winds 10 to 15 kt, shifting to SE to S late. Seas 3 to 4 ft.

FRI
SE winds 10 to 15 kt. Seas 3 to 4 ft.

FRI NIGHT
E winds 15 to 20 kt. Seas 3 to 4 ft.

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

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

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

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



Forecaster Stripling