000
FZNT31 KNHC 281441
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1041 AM EDT Wed Mar 28 2018

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 ATLC from 07N to 19N
between 55W and 64W

.SYNOPSIS...High pressure northeast of Great Abaco Island in the
Bahamas will support fresh to strong trades in the south-central
Caribbean through Sat morning. Winds will pulse to minimal gale
force near the coast of Colombia each night through Fri morning.
Large N to NE swell will continue to propagate into the northern
Caribbean through Fri morning. Fresh to strong winds will
develop in the Gulf of Honduras tonight and Thu night. Seismic
activity with undersea volcano Kick em Jenny, north of Grenada
near 12.18N 61.38W has steadily declined, and the alert level
for mariners has returned to normal, with an exclusion zone of
1.5 km. Please see www.nadma.gd for additional information. 

NW Caribbean W of 85W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU...SE winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...NE winds 10 kt. Seas 3 to 4 ft. 
.SUN...NE winds less than 10 kt. Seas 3 ft. 
.SUN NIGHT...NE winds less than 10 kt. Seas 3 ft. 

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...E winds 10 to 20 kt S of 18N, and E 15 to
25 kt elsewhere. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. 

Caribbean from 11N to 15N W of 72W

...GALE WARNING...

.THIS AFTERNOON...E winds 20 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft. 
.TONIGHT...E winds 25 to 35 kt within 90 nm of coast of 
Colombia, and E 15 to 25 kt elsewhere. Within 90 nm of coast of 
Colombia, seas 7 to 10 ft, building to 8 to 13 ft after midnight.
Elsewhere, seas 7 to 10 ft. 
.THU...E winds 20 to 30 kt within 90 nm of coast of Colombia,
and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. 
.THU NIGHT...E winds 25 to 35 kt within 90 nm of coast of 
Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. 
.FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 
.SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 

SW Caribbean S of 11N

.THIS AFTERNOON...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...N winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. 

Caribbean between 64W and 72W

.THIS AFTERNOON...NE winds 15 to 20 kt Gulf of Venezuela, and NE
10 to 20 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to
6 ft elsewhere. 
.TONIGHT...NE winds 20 to 25 kt Gulf of Venezuela, and NE 10 to
20 kt elsewhere. Seas 5 to 7 ft. 
.THU...NE winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela,
and 5 to 7 ft elsewhere. 
.THU NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and NE
10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and
6 to 8 ft elsewhere. 
.FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...E winds 10 kt. Seas 3 to 4 ft. 

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.THU...NE winds 10 to 15 kt, shifting to E in the afternoon.
Seas 6 to 9 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. 
.SAT...E winds less than 10 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...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...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft. 
.FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 5 to 7 ft. 
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A weakening cold front from 21N65W to northern
Hispaniola will push southeastward through this evening and then
stall before dissipating north of Puerto Rico on Thu. Strong NE 
winds will affect adjacent waters west of the central and
southern Bahamas through early Fri...including the Atlantic
approaches. Large north swell will impact the waters NE of the
Bahamas through Fri morning. A new cold front will move off NE
Florida early Fri evening, stall N of the Bahamas Sat and lift N
of the area as a warm front Sat. 

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 8 to 11 ft. 
.TONIGHT...SE winds 10 to 15 kt. Seas 9 to 11 ft. 
.THU...S winds 10 to 20 kt. Seas 8 to 10 ft. 
.THU NIGHT...S winds 15 to 20 kt. Seas 6 to 9 ft. 
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 3 to 5 ft. 
.SUN NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 

ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W

.THIS AFTERNOON...NE winds less than 10 kt W of 70W, and N 10 to
15 kt elsewhere. Seas 10 to 14 ft W of 70W, and 12 to 15 ft
elsewhere. 
.TONIGHT...E winds less than 10 kt W of 70W, and N 10 to 15 kt
elsewhere. Seas 9 to 13 ft. 
.THU...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.SAT...E winds less than 10 kt. Seas 3 to 5 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. 

Bahamas N of 22N

.THIS AFTERNOON...E winds 15 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. 
.THU...E winds 15 to 20 kt. Seas 6 to 8 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...E winds 10 to 15 kt. Seas 4 to 6 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...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 

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

.THIS AFTERNOON...NE winds 10 to 20 kt. Seas 10 to 13 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 10 to 12 ft. 
.THU...NE winds 10 to 15 kt. Seas 8 to 11 ft. 
.THU NIGHT...E winds 10 to 15 kt W of 70W, and NE 10 to 20 kt
elsewhere. Seas 6 to 9 ft. 
.FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...NE winds 15 to 20 kt. Seas 8 to 11 ft. 
.TONIGHT...NE winds 15 to 20 kt. Seas 8 to 11 ft. 
.THU...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.THU NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. 
.FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 kt. Seas 3 to 5 ft. 

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

.THIS AFTERNOON...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.TONIGHT...N winds 10 to 15 kt. Seas 8 to 12 ft. 
.THU...N winds 10 to 15 kt. Seas 8 to 10 ft. 
.THU NIGHT...N winds 10 to 15 kt. Seas 7 to 9 ft. 
.FRI...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 7 to 8 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. 
.SAT...E winds less than 10 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds less than 10 kt. Seas 5 to 6 ft. 
.SUN...E winds 10 kt. Seas 4 to 5 ft. 
.SUN NIGHT...E winds 10 kt. Seas 4 to 5 ft.