Tropical North Atlantic (Voice) Offshore Forecast


288 
FZNT31 KNHC 171431
OFFN20
Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
931 AM EST Fri Nov 17 2017
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...Broad trough extending from the adjacent waters
north of Panama to Haiti will move drift eastward while
weakening through the weekend and early next week. 
NW Caribbean W of 85W
.TODAY...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 3 to 5 ft. 
.SAT NIGHT...NE 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 15 kt. Seas 3 to 4 ft. 
.MON...N winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 3 to 5 ft. 
.MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. 
.TUE...NE winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 
Caribbean N of 15N between 72W and 85W
.TODAY...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 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...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 
.TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 
Caribbean from 11N to 15N W of 72W
.TODAY...NW winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...NW winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...NW winds 10 to 15 kt, shifting to N in the afternoon.
Seas 3 to 4 ft. 
.SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. 
.MON...NE winds less than 10 kt. Seas 3 to 4 ft. 
.MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. 
.TUE...E winds less than 10 kt. Seas 3 ft. 
.TUE NIGHT...NE winds less than 10 kt, shifting to E after
midnight. Seas 3 ft. 
SW Caribbean S of 11N
.TODAY...W winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft. 
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...NW winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.SUN...NW winds less than 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...NW winds less than 10 kt. Seas 3 ft.
.MON...NW winds less than 10 kt. Seas 3 ft. 
.MON NIGHT...NW winds less than 10 kt. Seas 3 ft.
.TUE...W winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 2 ft or less. 
.TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. 
Caribbean between 64W and 72W
.TODAY...SE winds less than 10 kt. Seas 3 to 4 ft. 
.TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 
.SAT...SE winds less than 10 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 4 ft elsewhere. 
.SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 4 ft elsewhere. 
.SUN...SE winds less than 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...E winds less than 10 kt, shifting to SE after
midnight. Seas 3 to 4 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 4 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. 
Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N W of 55W
.TODAY...SE winds less than 10 kt. Seas 3 to 5 ft. 
.TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.SAT...SE winds less than 10 kt. Seas 3 to 5 ft. 
.SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. 
.SUN...SE winds less than 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft. 
.MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.TUE...E winds less than 10 kt. Seas 4 to 6 ft. 
.TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. 
Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W
.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...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...E winds 10 to 15 kt. Seas 3 to 5 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. 
.MON...E winds 10 to 15 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 4 to 6 ft. 
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS
.SYNOPSIS...High pres will build slowly SE across the NW waters 
through Sat. A cold front will enter the NW waters on Sun, then 
stall and weaken from near 27N65W to S Florida by Mon. Winds
will increase to moderate-fresh in the vicinity of the front 
through Tue.
ATLC waters from 27N to 31N W of 77W
.TODAY...NE winds 10 to 20 kt. Seas 6 to 7 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...SE winds 10 kt. Seas 4 to 6 ft. 
.SAT NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...W winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. 
.TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE NIGHT...SE winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 5 to 7 ft. 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
.TODAY...N winds 10 to 20 kt. Seas 6 to 8 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. 
.SUN...S winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...N winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.TUE...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.TUE NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
Bahamas N of 22N
.TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...E winds 10 to 15 kt, shifting to NE 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. 
.MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
ATLC waters from 22N to 27N between 65W and the Bahamas
.TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.SUN NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 4 to 6 ft. 
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.TUE NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
ATLC waters S of 22N W of 65W
.TODAY...E winds less than 10 kt, shifting to N in the
afternoon. Seas 3 to 5 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...SE winds less than 10 kt. Seas 4 to 6 ft. 
.SUN NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. 
.MON...SE winds less than 10 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.TUE...E winds less than 10 kt. Seas 3 to 5 ft. 
.TUE NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. 
ATLC waters from 19N to 22N between 55W and 65W
.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...SW winds less than 10 kt. Seas 4 to 6 ft.
.SAT...SW winds less than 10 kt. Seas 5 to 6 ft. 
.SAT NIGHT...Variable winds less than 10 kt, becoming E less
than 10 kt after midnight. Seas 5 to 6 ft. 
.SUN...SE winds less than 10 kt. Seas 5 to 6 ft. 
.SUN NIGHT...E winds less than 10 kt. Seas 5 to 7 ft.
.MON...SE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 5 to 7 ft. 
.MON NIGHT...Variable winds less than 10 kt, becoming NE 10 kt
after midnight. Seas 5 to 6 ft. 
.TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.