Tropical North Atlantic (Voice) Offshore Forecast


365 
FZNT31 KNHC 161442
OFFN20
Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
942 AM EST Tue Jan 16 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...A stationary front from eastern Cuba near 21N78W to
17N80W to 13N82W will weaken and dissipate by Wed morning.
Strong N winds along the coast of Nicaragua will slowly diminish
to moderate this evening through Fri night. Otherwise, strong
winds will pulse near the NW Colombia coast each night through
Sat night. Large NE swell will maintain seas above 8 ft in the
tropical Atlc waters until this evening. 
NW Caribbean W of 85W
.TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.THU...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
Caribbean N of 15N between 72W and 85W
.TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt
elsewhere. Seas 4 to 6 ft. 
.THU...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. 
.FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
Caribbean from 11N to 15N W of 72W
.TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. 
.WED...E winds 15 to 20 kt within 90 nm of coast of Colombia,
and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. 
.WED NIGHT...E winds 15 to 20 kt within 90 nm of coast of
Colombia, and NE 10 to 15 kt elsewhere. Seas 5 to 7 ft. 
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
SW Caribbean S of 11N
.TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 5 to 7 ft. 
.WED NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.THU...N winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...NE winds 10 to 15 kt. Seas 6 to 9 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
Caribbean between 64W and 72W
.TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 4 to 6 ft. 
.WED...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt
elsewhere. Seas 4 to 6 ft. 
.WED NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N W of 55W
.TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 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. Seas 5 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W
.TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS
.SYNOPSIS...A cold front extends from 31N67W to 27N72W, then 
continues as a stationary front to eastern Cuba near 21N77W. 
Strong N to NE winds W of the front and S of 28N will gradually 
diminish today as the front weakens. A strong cold front will
move off the SE United States coast on Wed, then weaken as it
reaches from near 24N65W to the Windward Passage by Fri morning.
Strong high pres in the wake of the front will bring strong N to
NE winds and building seas NE of the Bahamas. These conditions
will diminish Thu night through Fri night. 
ATLC waters from 27N to 31N W of 77W
.TODAY...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.TONIGHT...N winds 10 to 15 kt. Seas 6 to 7 ft. 
.WED...NW winds 10 to 20 kt. Seas 6 to 8 ft. 
.WED NIGHT...NW winds 20 to 25 kt. Seas 8 to 11 ft. 
.THU...N winds 10 to 20 kt. Seas 8 to 11 ft. 
.THU NIGHT...N winds less than 10 kt. Seas 6 to 8 ft. 
.FRI...Variable winds less than 10 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 4 ft. 
.SAT...SE winds less than 10 kt. Seas 3 to 4 ft. 
.SAT NIGHT...E winds 10 kt. Seas 3 to 4 ft. 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
.TODAY...NE winds 10 to 20 kt. Seas 8 to 12 ft. 
.TONIGHT...W of 70W, NE winds 10 to 15 kt, shifting to E after
midnight. Elsewhere, NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.WED...W of 70W, E winds less than 10 kt, shifting to SW in the
afternoon. Elsewhere, NE winds less than 10 kt. Seas 7 to 9 ft. 
.WED NIGHT...W of 70W, NW winds 15 to 25 kt,Seas 7 to 8 ft,
building to 8 to 11 ft after midnight. Elsewhere, Variable winds
less than 10 kt, becoming SW less than 10 kt after midnight,Seas
6 to 7 ft. 
.THU...NW winds 15 to 25 kt. Seas 8 to 13 ft. 
.THU NIGHT...N winds 10 to 20 kt. Seas 9 to 14 ft.
.FRI...NE winds less than 10 kt. Seas 7 to 10 ft.
.FRI NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft. 
.SAT...E winds less than 10 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
Bahamas N of 22N
.TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...N winds 15 to 25 kt. Seas 6 to 8 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
ATLC waters from 22N to 27N between 65W and the Bahamas
.TODAY...NE winds 10 to 20 kt W of 70W, and NE less than 10 kt
elsewhere. Seas 8 to 10 ft. 
.TONIGHT...E winds 10 to 15 kt W of 70W, and NE less than 10 kt
elsewhere. Seas 7 to 9 ft. 
.WED...E winds less than 10 kt. Seas 7 to 8 ft. 
.WED NIGHT...W of 70W, E winds less than 10 kt, becoming N 10 to
20 kt after midnight. Elsewhere, Variable winds less than 10 kt.
Seas 6 to 7 ft. 
.THU...N 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 15 kt. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. 
.SAT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.SAT NIGHT...E winds 15 kt. Seas 6 to 8 ft. 
ATLC waters S of 22N W of 65W
.TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft. 
.WED NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. 
.THU...E winds less than 10 kt. Seas 4 to 6 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
ATLC waters from 19N to 22N between 55W and 65W
.TODAY...E winds 10 to 15 kt. Seas 7 to 9 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 7 ft. 
.WED...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.THU...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.THU NIGHT...E winds 10 kt. Seas 6 ft. 
.FRI...E winds 10 kt. Seas 5 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.SAT NIGHT...E winds 15 kt. Seas 6 to 8 ft.