425 
FZNT31 KNHC 050137
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
937 PM EDT Fri Sep 4 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...The Bermuda High to the north of the Caribbean will
contribute to fresh-strong trades in the central Caribbean with
moderate to fresh trades elsewhere through Sat. An active
tropical wave currently in the E Caribbean will cause scattered
showers and isolated as it moves across the Caribbean over the
next few days. The trades will diminish basinwide by the end of
the weekend into early next week as the Bermuda High north of
the area weakens. 

NW Caribbean W of 85W

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT AND SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN THROUGH WED...E winds 10 to 15 kt. Seas 3 to 4 ft. 

Caribbean N of 15N between 72W and 85W

.OVERNIGHT...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 AND SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN THROUGH WED...E winds 10 to 15 kt. Seas 3 to 5 ft. 

Caribbean from 11N to 15N W of 72W

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT AND SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN THROUGH WED...E winds 10 to 15 kt. Seas 3 to 5 ft. 

SW Caribbean S of 11N

.OVERNIGHT...NE winds less than 10 kt. Seas 2 ft or less. 
.SAT...Variable winds less than 10 kt. Seas 2 ft or less. 
.SAT NIGHT...Variable winds less than 10 kt. Seas 3 ft. 
.SUN...Variable winds less than 10 kt, becoming W less than
10 kt in the afternoon. Seas 3 ft. 
.SUN THROUGH WED...SW winds less than 10 kt. Seas 3 ft. 

Caribbean between 64W and 72W

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of
Venezuela, and 4 to 6 ft elsewhere. 
.SAT...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 to 4 ft in
the morning, subsiding to 2 ft or less.
Elsewhere, seas 4 to 6 ft. 
.SAT NIGHT AND SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN THROUGH WED...E winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT AND SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN THROUGH WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. 

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT AND SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN THROUGH WED...NE winds less than 10 kt. Seas 4 to 6 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...The Bermuda High and a ridge extending along 28N 
supports moderate to fresh trades S of 25N and gentle to
moderate anticyclonic flow N of 25N. The ridge will rebuild well
northeast of these waters early next week, contributing toward 
mainly moderate E-SE winds basinwide early next week.

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

.OVERNIGHT...S winds less than 10 kt. Seas 3 to 4 ft. 
.SAT...SW winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 to 4 ft. 
.SAT NIGHT...Variable winds less than 10 kt, becoming SE less
than 10 kt after midnight. Seas 3 ft. 
.SUN...Variable winds less than 10 kt, becoming E 10 kt in the
afternoon. Seas 3 ft. 
.SUN THROUGH WED...SE winds less than 10 kt. Seas 3 to 4 ft. 

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

.OVERNIGHT...NW winds less than 10 kt, becoming variable winds
less than 10 kt. Seas 4 ft. 
.SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. 
.SAT NIGHT AND SUN...Variable winds less than 10 kt. Seas 3 to
4 ft. 
.SUN THROUGH WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. 

Bahamas N of 22N

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT AND SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN THROUGH WED...E winds 10 to 15 kt. Seas 3 to 4 ft. 

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SAT NIGHT AND SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN THROUGH WED...E winds 10 to 15 kt. Seas 4 to 6 ft. 

ATLC waters S of 22N W of 65W

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT AND SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN THROUGH WED...E winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 5 ft. 
.SAT NIGHT AND SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN THROUGH WED...NE winds 10 to 20 kt. Seas 6 to 8 ft.