000
FZNT31 KNHC 150942
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
542 AM EDT Sun Aug 15 2021

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 Grace near 16.9N 64.4W 1010 mb at
5 AM EDT moving WNW at 18 kt. Maximum sustained winds 35 kt
gusts 45 kt. Grace will move to near 17.5N 66.6W this afternoon,
inland the eastern Dominican Republic near 18.3N 68.9W late
tonight with maximum sustained winds 45 gusts 55 kt, continue
inland near 18.9N 70.6W Mon afternoon with maximum sustained
winds 35 gusts 45 kt, inland near 19.8N 72.6W late Mon night, to
near 20.9N 75.3W Tue afternoon, and to near 22.0N 78.0W late Tue
night. Grace will change little in intensity as it moves into
the eastern Gulf of Mexico near 23.9N 82.5W late Wed night. 

NW Caribbean W of 85W

.TODAY...SE winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less, building to 3 to 4 ft after
midnight. 
.MON...SE winds 10 to 15 kt, shifting to E in the afternoon.
Seas 3 to 4 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.TUE...E winds less than 10 kt. Seas 3 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.WED...E winds less than 10 kt. Seas 3 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU...E winds 10 to 20 kt. Seas 3 to 4 ft. 

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 to 4 ft. 
.TONIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 ft in the evening, subsiding to 2 ft or less. 
.MON...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 2 ft or less. 
.MON NIGHT...S of 18N, E winds less than 10 kt. Elsewhere, NE
winds less than 10 kt, increasing to 15 to 25 kt after midnight.
Seas 3 ft. 
.TUE...E winds 10 to 15 kt S of 18N, and E 15 to 25 kt
elsewhere. Seas 3 to 5 ft. 
.TUE NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds
15 to 25 kt, diminishing to 10 to 15 kt after midnight. Seas
4 to 6 ft. 
.WED...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft. 

Caribbean from 11N to 15N W of 72W

.TODAY...Within 90 nm of coast of Colombia, E winds less than
10 kt in the morning, becoming variable winds less than 10 kt.
Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...NE winds less than 10 kt. Seas 3 ft. 
.MON...E winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less. 
.MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less. 
.TUE...E winds less than 10 kt within 90 nm of coast of
Colombia, and E 10 to 15 kt elsewhere. Seas 2 ft or less,
building to 3 ft in the afternoon. 
.TUE NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. 
.WED...E winds 15 to 25 kt. Seas 3 to 5 ft. 
.WED NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. 
.THU...E winds 15 to 25 kt. Seas 4 to 6 ft. 

SW Caribbean S of 11N

.TODAY...E winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 to 4 ft. 
.TONIGHT...Variable winds less than 10 kt. Seas 3 ft. 
.MON...Variable winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less. 
.MON NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. 
.TUE...Variable winds less than 10 kt. Seas 2 ft or less. 
.TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. 
.WED...N winds less than 10 kt, shifting to SW in the afternoon.
Seas 2 ft or less. 
.WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. 
.THU...S winds less than 10 kt. Seas 2 ft or less, building to
3 ft in the afternoon. 

Caribbean between 64W and 72W

...TROPICAL STORM WARNING...

.TODAY...Variable winds less than 10 kt Gulf of Venezuela, and E
20 to 30 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
3 to 4 ft elsewhere. 
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Gulf of
Venezuela, Variable winds less than 10 kt. Elsewhere, E winds
20 to 30 kt, increasing to 35 to 45 kt after midnight. Seas 2 ft
or less Gulf of Venezuela, and 6 to 8 ft elsewhere. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. Variable winds less
than 10 kt Gulf of Venezuela, and SE 30 to 40 kt elsewhere. Seas
2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. 
.MON NIGHT...Variable winds less than 10 kt Gulf of Venezuela,
and E 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of
Venezuela, and 4 to 6 ft elsewhere. 
.TUE...Gulf of Venezuela, Variable winds less than 10 kt,
becoming NE less than 10 kt in the afternoon,Seas 3 ft in the
morning, subsiding to 2 ft or less. Elsewhere, E winds 10 to
20 kt,Seas 5 to 7 ft. 
.TUE NIGHT...NE winds less than 10 kt Gulf of Venezuela, and E
15 to 25 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and
5 to 7 ft elsewhere. 
.WED...Gulf of Venezuela, NE winds less than 10 kt, increasing
to 10 to 15 kt in the afternoon. Elsewhere, E winds 15 to 25 kt.
Seas 3 to 4 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. 
.WED NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of
Venezuela, and 5 to 7 ft elsewhere. 
.THU...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela,
and 6 to 8 ft elsewhere. 

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

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 25 to
35 kt, diminishing to 10 to 20 kt in the afternoon. Seas 
10 to 14 ft, subsiding to 6 to 8 ft late.
.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...E 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 6 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. 

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

.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...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 20 kt. Seas 4 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 6 ft. 
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Tropical Storm Grace near 16.9N 64.4W 1010 mb at
5 AM EDT moving WNW at 18 kt. Maximum sustained winds 35 kt 
gusts 45 kt. Grace will move to near 17.5N 66.6W this afternoon, 
inland the eastern Dominican Republic near 18.3N 68.9W late 
tonight with maximum sustained winds 45 gusts 55 kt, continue 
inland near 18.9N 70.6W Mon afternoon with maximum sustained 
winds 35 gusts 45 kt, inland near 19.8N 72.6W late Mon night, to 
near 20.9N 75.3W Tue afternoon, and to near 22.0N 78.0W late Tue 
night. Grace will change little in intensity as it moves into the
eastern Gulf of Mexico near 23.9N 82.5W late Wed night. 
Otherwise, high pressure will persist across the area through the
period. 

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

.TODAY...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...SE 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 4 to 5 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.THU...SE winds 10 to 15 kt. Seas 4 to 5 ft. 

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

.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt W of 70W, and E less than 10 kt
elsewhere. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt W of 70W, and SE less than
10 kt elsewhere. Seas 3 to 5 ft. 
.TUE...E winds 10 to 15 kt W of 70W, and S less than 10 kt
elsewhere. Seas 3 to 4 ft. 
.TUE NIGHT...W of 70W, E winds less than 10 kt, increasing to
10 to 15 kt after midnight. Elsewhere, SE winds less than 10 kt.
Seas 3 to 5 ft. 
.WED...SE winds 10 to 15 kt. Seas 4 to 6 ft W of 70W, and 3 ft
elsewhere. 
.WED NIGHT...SE winds 10 to 15 kt W of 70W, and SE less than
10 kt elsewhere. Seas 4 to 6 ft W of 70W, and 3 ft elsewhere. 
.THU...W of 70W, SE winds 10 to 15 kt, shifting to S in the
afternoon. Elsewhere, SE winds less than 10 kt. Seas 3 to 5 ft. 

Bahamas N of 22N

.TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft. 
.MON...E winds 10 to 15 kt. Seas 3 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 3 ft. 
.TUE...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt.
Seas 3 to 4 ft. 
.TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.WED...TROPICAL STORM CONDITIONS POSSIBLE. 
.WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. 

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

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft W of 70W, and
3 to 5 ft elsewhere. 
.WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft. 

ATLC waters S of 22N W of 65W

...TROPICAL STORM WARNING...

.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to
30 kt, increasing to 30 to 40 kt late. Seas 3 to 5 ft, building 
to 8 to 12 ft late.
.MON...TROPICAL STORM CONDITIONS EXPECTED. E winds 35 to 45 kt.
Seas 3 to 5 ft. 
.MON NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to
35 kt. Seas 3 to 5 ft. 
.TUE...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt.
Seas 4 to 6 ft. 
.TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.WED...E winds 20 to 30 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft. 

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

.TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...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 4 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.WED...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 20 kt. Seas 5 to 6 ft.