Tropical North Atlantic (Voice) Offshore Forecast


235 
FZNT31 KNHC 252032
OFFN20
Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
432 PM EDT Wed Apr 25 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...Winds will pulse to fresh to locally strong over the
central Caribbean the next couple of nights. Elsewhere, gentle
to moderate trades will continue through the period. 
NW Caribbean W of 85W
.TONIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.THU...SE winds 10 to 15 kt. Seas 3 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft. 
.SAT...E winds less than 10 kt. Seas 3 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.SUN NIGHT...E winds 10 to 15 kt. 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. 
Caribbean N of 15N between 72W and 85W
.TONIGHT...E winds 10 to 15 kt S of 18N, and Variable less than
10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less
elsewhere. 
.THU...S of 18N, E winds 10 to 15 kt. Elsewhere, Variable winds
less than 10 kt, becoming SE less than 10 kt in the afternoon.
Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. 
.THU NIGHT...E winds 10 to 15 kt S of 18N, and SE less than
10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less
elsewhere. 
.FRI...E winds 10 to 15 kt S of 18N, and SE less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. 
.FRI NIGHT...SE 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 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
Caribbean from 11N to 15N W of 72W
.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. 
.THU...E winds 15 to 20 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 15 to 20 kt within 90 nm of coast of
Colombia, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
SW Caribbean S of 11N
.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. 
.FRI...E winds less than 10 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NE winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 5 ft. 
.SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. 
.SAT NIGHT...Variable winds less than 10 kt, becoming NE less
than 10 kt after midnight. Seas 3 to 5 ft. 
.SUN...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...Variable winds less than 10 kt, becoming NE 10 to
15 kt after midnight. Seas 3 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
Caribbean between 64W and 72W
.TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 4 to 6 ft. 
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela,
and 5 to 7 ft elsewhere. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 6 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. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 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. 
Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N W of 55W
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 5 to 7 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 8 ft. 
.SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS
.SYNOPSIS...A cold front extending from 31N73W to western Cuba 
will stall and dissipate by Thu. A second cold front will move 
over the northwest waters Fri night. This front will reach from 
near 31N73W to S Florida Sat night, from near 31N69W to the
straits of Florida Sun night, and from 25N65W to central Cuba
Mon
night. High pressure will build in the wake of the front.
ATLC waters from 27N to 31N W of 77W
.TONIGHT...W winds 10 to 15 kt, shifting to SW after midnight.
Seas 4 to 6 ft. 
.THU...SW winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 4 to 5 ft. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...SW winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 5 ft. 
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...W winds less than 10 kt. Seas 3 to 4 ft. 
.SUN...Variable winds less than 10 kt, becoming N less than
10 kt in the afternoon. Seas 3 ft. 
.SUN NIGHT...N winds less than 10 kt, shifting to NE after
midnight. Seas 3 to 4 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
.TONIGHT...W of 70W, SW winds 10 to 15 kt, diminishing to less
than 10 kt after midnight. Elsewhere, S winds 10 to 20 kt. Seas
6 to 8 ft. 
.THU...S winds less than 10 kt W of 70W, and S 10 to 15 kt
elsewhere. Seas 5 to 7 ft. 
.THU NIGHT...S winds less than 10 kt. Seas 4 to 6 ft. 
.FRI...S winds 10 to 15 kt. Seas 4 to 5 ft. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN...W winds 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. 
.MON...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
Bahamas N of 22N
.TONIGHT...Variable winds less than 10 kt. Seas 3 ft in the
evening, subsiding to 2 ft or less. 
.THU...S winds less than 10 kt. Seas 2 ft or less. 
.THU NIGHT...S winds less than 10 kt. Seas 2 ft or less. 
.FRI...SW winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...Variable winds less than 10 kt, becoming S less
than 10 kt after midnight. Seas 2 ft or less. 
.SAT...SW winds less than 10 kt. Seas 2 ft or less. 
.SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.SUN...E winds less than 10 kt. Seas 2 ft or less. 
.SUN NIGHT...NE winds less than 10 kt, shifting to E after
midnight. Seas 2 ft or less. 
.MON...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
ATLC waters from 22N to 27N between 65W and the Bahamas
.TONIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. 
.THU...W of 70W, S winds 10 to 15 kt, diminishing to less than
10 kt in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas
4 to 5 ft. 
.THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.FRI...S winds 10 to 15 kt. Seas 4 to 5 ft. 
.FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.SAT...S winds 10 to 15 kt. Seas 4 to 5 ft. 
.SAT NIGHT...S winds 10 to 15 kt, shifting to SE after midnight.
Seas 4 to 5 ft. 
.SUN...S winds less than 10 kt. Seas 4 to 5 ft. 
.SUN NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
ATLC waters S of 22N W of 65W
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...SE 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 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
ATLC waters from 19N to 22N between 55W and 65W
.TONIGHT...E winds 10 to 15 kt. Seas 5 ft. 
.THU...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 5 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 6 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.