Tropical North Atlantic (Voice) Offshore Forecast


514 
FZNT31 KNHC 172020
OFFN20
Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
420 PM EDT Tue Jul 17 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 over the central Atlantic will support
strong to near gale force winds in the south-central Caribbean
for the next several days. Nocturnal winds will increase to gale
force near the coast of Colombia tonight and Wed night, in
between tropical waves moving through the basin. Gale force
winds are also possible off of Colombia Fri and Sat nights. 
NW Caribbean W of 85W
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E winds 10 to 20 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. 
Caribbean N of 15N between 72W and 85W
.TONIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. 
.WED...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 6 to 9 ft S of 18N, and 3 to 4 ft elsewhere. 
.WED NIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. 
.THU...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. 
.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 15 to 25 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 4 to 6 ft. 
Caribbean from 11N to 15N W of 72W
...GALE WARNING...
.TONIGHT...E winds 25 to 35 kt within 90 nm of coast of
Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. 
.WED...E winds 20 to 30 kt within 90 nm of coast of Colombia,
and E 15 to 25 kt elsewhere. Seas 8 to 13 ft. 
.WED NIGHT...E winds 25 to 35 kt within 90 nm of coast of
Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 12 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...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SAT...E winds 15 to 25 kt. Seas 8 to 13 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft. 
.SUN...E winds 15 to 25 kt. Seas 8 to 12 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. 
SW Caribbean S of 11N
.TONIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.WED...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.WED NIGHT...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...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.FRI NIGHT...NW winds less than 10 kt. Seas 6 to 8 ft. 
.SAT...N winds 10 to 15 kt. Seas 6 to 9 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.SUN...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
Caribbean between 64W and 72W
.TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft
elsewhere. 
.WED...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt
elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft
elsewhere. 
.WED NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft. 
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...E 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 6 to 8 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. 
Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N W of 55W
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...E winds 10 to 15 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 5 to 7 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. 
Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 to 15 kt. Seas 6 to 8 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 15 kt. Seas 4 to 6 ft. 
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS
.SYNOPSIS...Strong high pressure over the central Atlantic will 
build westward into the Bahamas through Thu and remain in place
through the weekend. Generally benign marine conditions will 
prevail across most of the region through the weekend. 
ATLC waters from 27N to 31N W of 77W
.TONIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
.TONIGHT...S winds 10 to 15 kt W of 70W, and S less than 10 kt
elsewhere. Seas 4 to 5 ft. 
.WED...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...S winds 10 to 15 kt. Seas 4 to 5 ft. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
Bahamas N of 22N
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less. 
.SUN...SE winds 10 to 15 kt. Seas 2 ft or less. 
.SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
ATLC waters from 22N to 27N between 65W and the Bahamas
.TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.THU...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
ATLC waters S of 22N W of 65W
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 to 20 kt. 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 5 to 7 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 4 to 6 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 4 to 6 ft. 
ATLC waters from 19N to 22N between 55W and 65W
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.THU...E winds 10 to 20 kt. Seas 6 to 7 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.FRI...E winds 10 to 15 kt. Seas 6 to 7 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 5 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.