358 
FZNT31 KNHC 121447
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1047 AM EDT Tue Jul 12 2022

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...The Bermuda-Azores High will maintain strong to near
gale E trades over the central Caribbean today and tomorrow. By
Thu as the high weakens, the trades should diminish to fresh to
strong through the end of the week. Fresh to strong E to SE
trades over the Gulf of Honduras will continue through Thu night
before diminishing. Large NE to E swell is anticipated to begin
impacting the tropical Atlantic zones Thu night and continue
through the end of the week. 

NW Caribbean W of 85W

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED AND WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. 

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N,
and 3 to 4 ft elsewhere. 
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and
3 to 4 ft elsewhere. 
.WED AND WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft S of
18N, and 3 to 5 ft elsewhere. 
.THU THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. 

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. 
.TONIGHT...E winds 20 to 30 kt within 90 nm of coast of
Colombia, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. 
.WED AND WED NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.THU THROUGH SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. 

SW Caribbean S of 11N

.THIS AFTERNOON...SW winds less than 10 kt. Seas 3 to 5 ft. 
.TONIGHT...Variable winds less than 10 kt, becoming SE less than
10 kt after midnight. Seas 3 to 5 ft. 
.WED AND WED NIGHT...SW winds less than 10 kt. Seas 4 to 6 ft. 
.THU...SW winds less than 10 kt. Seas 4 to 6 ft. 
.THU THROUGH SAT...N winds 10 to 15 kt. Seas 4 to 6 ft. 

Caribbean between 64W and 72W

.THIS AFTERNOON...E winds 15 to 25 kt Gulf of Venezuela, and E
10 to 20 kt elsewhere. Seas 5 to 7 ft. 
.TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft. 
.WED AND WED NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and
E 10 to 20 kt elsewhere. Seas 5 to 7 ft. 
.THU THROUGH SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. 

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED AND WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU THROUGH SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. 

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED AND WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU THROUGH SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A high pressure ridge extending along 27N this 
morning should gradually shift northward during the next few 
days. As the pressure gradient increases, the E trades south of 
25N should strengthen to fresh from Wed night through the end of
the week. Large E swell will impact the zones south of 22N from 
Thu night through the end of the week.

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

.THIS AFTERNOON...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED AND WED NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU THROUGH SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.THIS AFTERNOON...SW winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED AND WED NIGHT...S winds 10 to 15 kt W of 70W, and SE less
than 10 kt elsewhere. Seas 4 to 5 ft. 
.THU THROUGH SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 

Bahamas N of 22N

.THIS AFTERNOON...SE winds less than 10 kt, increasing to 10 to
15 kt in the afternoon. Seas 3 to 4 ft. 
.TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.WED AND WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU THROUGH SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.THIS AFTERNOON...W of 70W, SE winds 10 to 15 kt. Elsewhere, SE
winds 10 to 15 kt, diminishing to less than 10 kt in the
afternoon. Seas 4 to 5 ft. 
.TONIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.WED AND WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU THROUGH SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED AND WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU THROUGH SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED AND WED NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. 
.THU THROUGH SAT...E winds 10 to 20 kt. Seas 6 to 8 ft.