000
FZNT31 KNHC 011505
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1105 AM EDT Sat Aug 1 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...Hurricane Isaias is centered near 24.7N 77.9W 987 mb
at 11 AM EDT moving NW at 10 kt. Maximum sustained winds 70 kt
gusts 85 kt. Isaias will continue moving NW away from the region
and toward the east coast of Florida through tonight. Fresh 
trade winds will persist over the central Caribbean waters 
through early next week. A tropical wave will bring increasing 
winds and seas to the waters N of 15N and E of 60W tonight 
through Sun. 

NW Caribbean W of 85W

.THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft in the evening, subsiding to 2 ft or
less. 
.MON...SE winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
.TUE...E winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 2 ft or less. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.WED...E winds less than 10 kt. Seas 2 ft or less. 

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and
3 ft elsewhere. 
.SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and
2 ft or less elsewhere. 
.MON...E 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. Seas 3 to 5 ft S of 18N, and
2 ft or less elsewhere. 
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or
less elsewhere. 
.TUE NIGHT...E winds 10 to 20 kt. S of 18N, seas 3 to 5 ft.
Elsewhere, seas 2 ft or less, building to 3 ft after midnight. 
.WED...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 to
4 ft elsewhere. 

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON NIGHT...NE 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 4 to 6 ft. 

SW Caribbean S of 11N

.THIS AFTERNOON...N winds less than 10 kt. Seas 3 to 4 ft. 
.TONIGHT...N winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.SUN...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. 
.TUE...NE winds less than 10 kt, shifting to NW in the
afternoon. Seas 3 to 4 ft. 
.TUE NIGHT...Variable winds less than 10 kt. Seas 3 ft. 
.WED...E winds less than 10 kt, shifting to S in the afternoon.
Seas 3 ft. 

Caribbean between 64W and 72W

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

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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...SE winds 15 to 25 kt. Seas 4 to 6 ft. 
.SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...SE 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. 
.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...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 20 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...Hurricane Isaias is centered near 24.7N 77.9W 987 mb
at 11 AM EDT moving NW at 10 kt. Maximum sustained winds 70 kt 
gusts 85 kt. The center of Isaias will pass near or over Andros 
Island today and move to near 25.7N 78.8W this evening. Isaias 
will move near the east coast of the Florida peninsula to 27.1N 
79.7W Sun morning, 28.5N 80.3W Sun evening, and 30.1N 80.4W Mon 
morning, then weaken to a tropical storm N of the waters near 
32.6N 79.4W Mon evening. Very large seas in SE swell are expected
over the waters near and offshore of the Bahamas today into 
tonight. These seas will spread northward across the waters W of 
75W late tonight through Sun night, then move N of the region 
early next week. 

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

...HURRICANE WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. SE winds
20 to 30 kt. Seas 8 to 11 ft. 
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to
35 kt, becoming SE 40 to 50 kt after midnight. Seas 8 to 13 ft. 
.SUN...TROPICAL STORM CONDITIONS EXPECTED. SE winds 45 to
55 kt. Seas 10 to 15 ft. 
.SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 45 to
55 kt, increasing to 55 to 65 kt after midnight. Seas 11 to
16 ft. 
.MON...HURRICANE CONDITIONS POSSIBLE. S winds 55 to 65 kt. Seas
10 to 15 ft. 
.MON NIGHT...S winds 20 to 30 kt. Seas 7 to 10 ft. 
.TUE...S winds 15 to 25 kt. Seas 6 to 9 ft. 
.TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED...S winds 10 to 15 kt. Seas 4 to 5 ft. 

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

.THIS AFTERNOON...SE winds 15 to 25 kt W of 70W, and S 10 to
15 kt elsewhere. Seas 7 to 10 ft W of 70W, and 5 to 7 ft
elsewhere. 
.TONIGHT...SE winds 20 to 30 kt W of 70W, and SE 10 to 15 kt
elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 6 ft elsewhere. 
.SUN...SE winds 20 to 30 kt W of 70W, and SE 10 to 15 kt
elsewhere. Seas 6 to 9 ft W of 70W, and 4 to 5 ft elsewhere. 
.SUN NIGHT...SE winds 15 to 25 kt W of 70W, and E 10 to 15 kt
elsewhere. Seas 6 to 8 ft W of 70W, and 4 to 6 ft elsewhere. 
.MON...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt
elsewhere. Seas 5 to 7 ft. 
.MON NIGHT...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt
elsewhere. Seas 5 to 7 ft. 
.TUE...SE winds 15 to 25 kt W of 70W, and SE 10 to 20 kt
elsewhere. Seas 5 to 7 ft. 
.TUE NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...S winds 10 to 15 kt. Seas 4 to 6 ft. 

Bahamas N of 22N

...HURRICANE WARNING...

.THIS AFTERNOON...HURRICANE CONDITIONS. SE winds 60 to 70 kt. 
Seas 8 to 16 ft N of 24N, and 4 to 8 ft elsewhere.
.TONIGHT...HURRICANE CONDITIONS EXPECTED. SE winds 60 to 70 kt.
Seas 9 to 18 ft N of 25N, and 4 to 8 ft elsewhere. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 50 to
60 kt, diminishing to 20 to 30 kt in the afternoon. Seas 6 to 10
ft, subsiding to 4 to 6 ft. 
.SUN NIGHT...SE winds 15 to 25 kt. Seas 3 to 5 ft. 
.MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.WED...SE winds 10 to 20 kt. Seas 3 to 4 ft. 

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

.THIS AFTERNOON...SE winds 15 to 25 kt W of 70W, and E 10 to
20 kt elsewhere. Seas 8 to 11 ft W of 70W, and 6 to 7 ft
elsewhere. 
.TONIGHT...SE winds 20 to 30 kt W of 70W, and E 10 to 20 kt
elsewhere. Seas 6 to 8 ft. 
.SUN...SE winds 20 to 30 kt W of 70W, and E 15 to 20 kt
elsewhere. Seas 6 to 7 ft. 
.SUN NIGHT...E winds 15 to 25 kt W of 70W, and E 10 to 20 kt
elsewhere. Seas 6 to 7 ft. 
.MON...E winds 15 to 20 kt W of 70W, and E 20 to 30 kt
elsewhere. Seas 6 to 8 ft. 
.MON NIGHT...E winds 10 to 15 kt W of 70W, and SE 15 to 25 kt
elsewhere. Seas 5 to 6 ft W of 70W, and 7 to 10 ft elsewhere. 
.TUE...SE winds 10 to 20 kt. Seas 6 to 8 ft. 
.TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED...SE winds 10 to 20 kt. 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 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...E winds 10 to 20 kt. Seas 3 to 5 ft. 

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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 7 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SUN...E winds 20 to 30 kt. Seas 6 to 9 ft. 
.SUN NIGHT...E winds 20 to 30 kt. Seas 6 to 9 ft. 
.MON...SE winds 10 to 20 kt. Seas 6 to 8 ft. 
.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. 
.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.