000
FZNT31 KNHC 031520
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1120 AM EDT Sat Oct 3 2020

Marine Weather HF Voice Broadcast for the Tropical N Atlantic
from 07N to 22N between 55W and 64W, the SW N Atlantic S of
31N W of 65W including Bahamas, and the Caribbean Sea.

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.

Synopsis for Caribbean Sea and Tropical N Atlantic from
07N to 19N between 55W and 64W

.SYNOPSIS...Tropical Storm Gamma near 20.0N 87.3W 983 mb at
11 AM EDT moving NW at 8 kt. Maximum sustained winds 60 kt gusts
75 kt. Gamma will move inland to 20.8N 87.8W this evening, 21.8N
88.1W Sun morning, 22.2N 88.3W Sun evening, 22.3N 88.8W Mon
morning, 22.1N 89.7W Mon evening, and 22.0N 91.0W Tue morning.
Gamma will change little in intensity as it moves near 21.0N
92.5W early Wed. Winds and seas over the northwest Caribbean and
Yucatan Channel will diminish early next week as Gamma continues
to move west. Elsewhere, fresh to strong trades are expected
over the eastern and central Caribbean through Sun night. Winds
and seas will subside through mid week across the basin. 

NW Caribbean W of 85W

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. SW winds 45 to
55 kt. Seas 7 to 10 ft. 
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 30 to
40 kt, diminishing to 20 to 30 kt after midnight. Seas 6 to
9 ft. 
.SUN...W winds 20 to 30 kt. Seas 4 to 6 ft. 
.SUN NIGHT...W winds 15 to 25 kt. Seas 4 to 6 ft. 
.MON...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...W winds 10 to 20 kt. Seas 3 to 4 ft. 
.TUE NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft in the
evening, subsiding to 2 ft or less. 
.WED...SW winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon. 

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...SE winds 15 to 25 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E winds 15 to 25 kt S of 18N, and SE 10 to 20 kt
elsewhere. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 15 to 25 kt S of 18N, and SE 10 to 20 kt
elsewhere. Seas 3 to 5 ft. 
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...S of 18N, SE winds 10 to 15 kt. Elsewhere, SE winds 10 to
15 kt, shifting to S in the afternoon. Seas 3 ft. 

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...S winds 10 to 20 kt. Seas 3 to 5 ft. 
.TONIGHT...Within 90 nm of coast of Colombia, E winds less than
10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, E
winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...Within 90 nm of coast of Colombia, S winds less than
10 kt, shifting to SW in the afternoon. Elsewhere, SW winds
10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...Within 90 nm of coast of Colombia, W winds 10 kt,
shifting to SE less than 10 kt after midnight. Elsewhere, S
winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...SE winds less than 10 kt within 90 nm of coast of
Colombia, and SE 10 to 15 kt elsewhere. Seas 3 to 4 ft. 
.TUE NIGHT...Within 90 nm of coast of Colombia, NE winds less
than 10 kt. Elsewhere, SE winds less than 10 kt, shifting to E
after midnight. Seas 3 ft. 
.WED...S winds less than 10 kt within 90 nm of coast of
Colombia, and SE 10 to 15 kt elsewhere. Seas 3 ft. 

SW Caribbean S of 11N

.THIS AFTERNOON...W winds less than 10 kt. Seas 3 ft. 
.TONIGHT...NW winds less than 10 kt, shifting to W after
midnight. Seas 3 ft. 
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...W winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...W winds less than 10 kt. Seas 3 to 4 ft.
.TUE...SW winds 10 to 15 kt. Seas 3 ft. 
.TUE NIGHT...SW winds less than 10 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less. 
.WED...S winds less than 10 kt. Seas 2 ft or less. 

Caribbean between 64W and 72W

.THIS AFTERNOON...NE winds less than 10 kt Gulf of Venezuela,
and E 10 to 20 kt elsewhere. Seas 3 ft Gulf of Venezuela, and
5 to 7 ft elsewhere. 
.TONIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and E 15 to
25 kt elsewhere. Gulf of Venezuela, seas 2 ft or less, building
to 3 ft after midnight. Elsewhere, seas 5 to 7 ft. 
.SUN...Gulf of Venezuela, SE winds 10 to 15 kt, shifting to SW
in the afternoon,Seas 3 ft in the morning, subsiding to 2 ft or
less. Elsewhere, E winds 15 to 25 kt,Seas 5 to 7 ft. 
.SUN NIGHT...NE winds less than 10 kt Gulf of Venezuela, and E
15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
4 to 6 ft elsewhere. 
.MON...Gulf of Venezuela, E winds 10 kt in the morning, becoming
variable winds less than 10 kt. Elsewhere, E winds 10 to 20 kt.
Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. 
.MON NIGHT...Gulf of Venezuela, NE winds less than 10 kt in the
evening, becoming variable winds less than 10 kt. Elsewhere, E
winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to
4 ft elsewhere. 
.TUE...SW winds less than 10 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to
4 ft elsewhere. 
.TUE NIGHT...NE winds less than 10 kt Gulf of Venezuela, and E
10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
3 to 4 ft elsewhere. 
.WED...NE winds less than 10 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 3 to 4 ft. 

Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N W of 55W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft. 

Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A stationary front extending from 31N72W to 25N80W 
will gradually dissipate late today or tonight. Another stationary
front extending from 31N77W to Cape Canaveral, Florida will 
dissipate through late Sun. Meanwhile, the Bermuda High north of 
our area and lower pressure in NW Caribbean associated with T.S. 
Gamma will support moderate to fresh trades south of 22N, 
occasionally pulsing to strong north of Hispaniola during the 
overnight hours through Sun night. Looking ahead, a third weak 
front will move over the Atlantic waters east of NE Florida late 
Sun or early Mon, drift south through Tue then stall from 31N73W 
to near W Palm Beach Florida by mid week. 

ATLC waters from 27N to 31N W of 77W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.TUE...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.WED...SE winds 10 to 15 kt. Seas 4 ft. 

ATLC waters from 27N to 31N between 65W and 77W

.THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 4 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. 
.TUE...W of 70W, E winds 10 to 15 kt. Elsewhere, E winds less
than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas
4 to 5 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.WED...S winds 10 to 15 kt W of 70W, and E less than 10 kt
elsewhere. Seas 4 to 5 ft. 

Bahamas N of 22N

.THIS AFTERNOON...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...SE winds 10 to 20 kt. Seas 3 to 5 ft. 

ATLC waters from 22N to 27N between 65W and the Bahamas

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.MON...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. 
.WED...E winds 10 to 15 kt W of 70W, and E less than 10 kt
elsewhere. Seas 4 to 5 ft. 

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...E winds 10 to 20 kt. Seas 4 to 5 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. 
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft. 

ATLC waters from 19N to 22N between 55W and 65W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 5 ft. 
.TUE...E winds 10 kt. Seas 4 to 5 ft. 
.TUE NIGHT...E winds 10 kt. Seas 4 to 5 ft. 
.WED...SE winds 10 kt. Seas 4 to 5 ft.