000
FZNT31 KNHC 202130
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
530 PM EDT Thu Aug 20 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 Depression Thirteen near 16.7N 53.9W
1008 mb at 5 PM EDT moving WNW at 18 kt. Maximum sustained winds
30 kt gusts 40 kt. Thirteen will move to 17.5N 57.2W Fri
morning, strengthen to a tropical storm near 18.3N 60.5W Fri
afternoon, 19.1N 63.5W Sat morning, 20.0N 66.7W Sat afternoon,
20.9N 70.4W Sun morning, and 22.2N 74.1W Sun afternoon. Thirteen
will strengthen to a hurricane near 25.1N 80.4W Mon afternoon.
Tropical Depression Fourteen near 14.3N 81.0W 1007 mb at 5 PM
EDT moving W at 16 kt. Maximum sustained winds 30 kt gusts
40 kt. Fourteen will strengthen to a tropical storm near 14.7N
83.0W Fri morning, move inland to 15.6N 84.7W Fri afternoon,
17.0N 85.6W Sat morning, 18.7N 86.6W Sat afternoon, inland to
20.3N 87.9W Sun morning, and 22.1N 89.2W Sun afternoon. Fourteen
will change little in intensity as it moves to 26.0N 91.5W on
Mon afternoon. 

NW Caribbean W of 85W

...TROPICAL STORM WARNING...

.TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 15 kt.
Seas 2 ft or less, building to 3 ft in the afternoon. 
.FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to
40 kt. Seas 3 to 5 ft, building to 6 to 8 ft after midnight. 
.SAT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 45 to
55 kt. Seas 6 to 9 ft. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 45 to
55 kt. Seas 5 to 7 ft. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. 

Caribbean N of 15N between 72W and 85W

...TROPICAL STORM WARNING...

.TONIGHT...S of 18N, E winds 10 to 20 kt, increasing to 20 to
30 kt after midnight. Elsewhere, E winds 10 to 20 kt. Seas 4 to
6 ft S of 18N, and 3 to 4 ft elsewhere. 
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to 30 kt
S of 18N, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to
35 kt S of 18N, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt.
Seas 3 to 5 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.SUN...E winds 10 to 20 kt. Seas 3 to 4 ft in the morning,
subsiding to 2 ft or less. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and
2 ft or less elsewhere. 
.MON...SE winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft
or less elsewhere. 
.MON NIGHT...E winds 10 to 20 kt. S of 18N, seas 4 to 6 ft.
Elsewhere, seas 2 ft or less, building to 3 ft after midnight. 
.TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. 

Caribbean from 11N to 15N W of 72W

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Within 90 nm of
coast of Colombia, NE winds 10 to 15 kt. Elsewhere, NE winds
10 to 20 kt, becoming SE 25 to 35 kt after midnight. Seas 4 to
6 ft. 
.FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SE winds less than 10 kt. Seas 3 ft. 
.SUN...Within 90 nm of coast of Colombia, S winds less than
10 kt in the morning, becoming variable winds less than 10 kt.
Elsewhere, SE winds 10 to 15 kt, shifting to E in the afternoon.
Seas 3 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 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 3 to 5 ft. 

SW Caribbean S of 11N

.TONIGHT...NW winds less than 10 kt, shifting to SW after
midnight. Seas 3 ft. 
.FRI...S winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...SW winds less than 10 kt. Seas 3 ft.
.SAT...S winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 ft in the morning, subsiding to
2 ft or less. 
.SAT NIGHT...SE winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 2 ft or less. 
.SUN...SE winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. 
.MON...E winds less than 10 kt. Seas 2 ft or less. 
.MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less. 
.TUE...N winds less than 10 kt. Seas 2 ft or less, building to
3 to 4 ft in the afternoon. 

Caribbean between 64W and 72W

.TONIGHT...E winds 10 to 20 kt. Gulf of Venezuela, seas 2 ft or
less, building to 3 ft after midnight. Elsewhere, seas 3 to
5 ft. 
.FRI...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela,
and 3 to 5 ft elsewhere. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...NE winds less than 10 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 3 to 4 ft. 
.SAT NIGHT...NE winds less than 10 kt Gulf of Venezuela, and SE
10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
3 to 5 ft elsewhere. 
.SUN...Gulf of Venezuela, SE winds less than 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 4 to
6 ft elsewhere. 
.SUN NIGHT...Gulf of Venezuela, NE winds less than 10 kt,
increasing to 10 to 15 kt after midnight. Elsewhere, E winds
10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft
elsewhere. 
.MON...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and
4 to 6 ft elsewhere. 
.MON NIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela,
and 4 to 6 ft elsewhere. 
.TUE...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft in the
morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. 

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

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to
35 kt. Seas 5 to 7 ft. 
.FRI...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to 35 kt.
Seas 6 to 8 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 30 to
40 kt. Seas 5 to 7 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 25 to
35 kt, becoming E 10 to 20 kt in the afternoon. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. 

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

.TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...NE 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. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Tropical Depression Thirteen near 16.7N 53.9W
1008 mb at 5 PM EDT moving WNW at 18 kt. Maximum sustained winds
30 kt gusts 40 kt. Thirteen will move to 17.5N 57.2W Fri 
morning, strengthen to a tropical storm near 18.3N 60.5W Fri 
afternoon, 19.1N 63.5W Sat morning, 20.0N 66.7W Sat afternoon, 
20.9N 70.4W Sun morning, and 22.2N 74.1W Sun afternoon. Thirteen 
will strengthen to a hurricane near 25.1N 80.4W on Mon afternoon.

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

.TONIGHT...S winds 10 kt. Seas 3 to 4 ft. 
.FRI...S winds 10 kt. Seas 4 ft. 
.FRI NIGHT...S winds 10 kt. Seas 3 to 4 ft. 
.SAT...SE winds 10 kt. Seas 3 to 4 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 10 to
15 kt. Seas 6 to 9 ft. 
.TUE...SE winds 10 to 15 kt. Seas 5 to 7 ft. 

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

.TONIGHT...S winds less than 10 kt. Seas 4 ft. 
.FRI...S winds less than 10 kt. Seas 4 ft. 
.FRI NIGHT...SE winds less than 10 kt. Seas 4 ft.
.SAT...W of 70W, SE winds 10 to 15 kt. Elsewhere, E winds less
than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas
3 to 4 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and
5 to 7 ft elsewhere. 
.MON...E winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and 4 to
6 ft elsewhere. 
.MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft W of 70W, and
4 to 5 ft elsewhere. 
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. 

Bahamas N of 22N

.TONIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.FRI...E winds 10 to 15 kt. Seas 3 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 ft. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to
20 kt. Seas 3 to 4 ft. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...HURRICANE CONDITIONS POSSIBLE. 
.MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. 

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

.TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt
W of 70W, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft W of 70W,
and 6 to 9 ft elsewhere. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, E
winds 15 to 25 kt, increasing to 30 to 40 kt after midnight,Seas
4 to 6 ft, building to 6 to 9 ft after midnight. Elsewhere, E
winds 25 to 35 kt,Seas 8 to 11 ft. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. 

ATLC waters S of 22N W of 65W

...TROPICAL STORM WARNING...

.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to
25 kt. Seas 4 to 6 ft. 
.SAT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 30 to
40 kt. Seas 6 to 8 ft, building to 8 to 13 ft in the afternoon. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 40 to
50 kt. Seas 9 to 14 ft. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. 

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

...TROPICAL STORM WARNING...

.TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt.
Seas 7 to 10 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to
40 kt. Seas 8 to 11 ft. 
.SAT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt.
Seas 8 to 13 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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 15 kt. Seas 5 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 6 ft. 
.TUE...E winds 10 to 15 kt. Seas 5 to 6 ft.