000
FZNT31 KNHC 250813
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
313 AM EST Thu Jan 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...Strong to gale force trade winds are forecast along
the the NW coast of Colombia during the overnight hours through
Mon night. A nearly stationary front across the Straits of
Florida is expected to move slowly S again later today stalling
from Central Cuba to Belize tonight, and then gradually weaken
through Sat. Fresh to locally strong NE winds are forecast
across the NW Caribbean by this evening, with strong, to near
gale force NE flow spreading E across the NE Caribbean waters on
Fri night through Sat. Conditions will improve across the
Caribbean from the NW beginning late Sat night. Moderate to
fresh trades will continue across the tropical Atlc waters E of
the Windwards through Fri night, with strong NE winds forecast
on Sat through Sun night. 

NW Caribbean W of 85W

.TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.SUN...E winds less than 10 kt. Seas 5 to 7 ft. 
.SUN NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. 
.MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 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 S of 18N, and NE 15 to 25 kt
elsewhere. Seas 5 to 7 ft. 
.FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 

Caribbean from 11N to 15N W of 72W

...GALE WARNING...
...GALE CONDITIONS POSSIBLE...

.TODAY...NE to E winds 20 to 25 kt. Seas 11 to 12 ft. 
.THU NIGHT...NE to E winds 25 to 35 kt within 90 nm of the NW 
coast of Colombia. Seas 9 to 13 ft. Elsewhere NE to E winds 20 to
25 kt. Seas 8 to 11 ft in E swell.
.FRI...NE to E winds 20 to 25 kt. Seas 11 to 12 ft. 
.FRI NIGHT...NE to E winds 25 to 35 kt within 90 nm of the NW 
coast of Colombia. Seas 9 to 13 ft. Elsewhere NE to E winds 20 to
25 kt. Seas 8 to 11 ft in E swell.
.SAT...NE to E winds 20 to 30 kt. Seas 12 to 13 ft in N swell. 
.SAT NIGHT...NE to E winds 25 to 35 kt within 90 nm of the NW 
coast of Colombia. Seas 9 to 13 ft. Elsewhere NE to E winds 20 to
25 kt. Seas 8 to 11 ft in E swell.
.SUN...E winds 20 to 25 kt. Seas 12 to 13 ft. 
.SUN NIGHT...NE to E winds 25 to 35 kt within 90 nm of the NW 
coast of Colombia. Seas 9 to 13 ft. Elsewhere NE to E winds 20 to
25 kt. Seas 8 to 11 ft in E swell.
.MON...NE to E winds 20 to 25 kt. Seas 11 to 13 ft in N swell. 
.MON NIGHT...NE to E winds 25 to 35 kt within 90 nm of the NW 
coast of Colombia. Seas 9 to 13 ft. Elsewhere NE to E winds 20 to
25 kt. Seas 8 to 11 ft in E swell.

SW Caribbean S of 11N

...GALE CONDITIONS POSSIBLE...

.TODAY...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.TONIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.FRI...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.FRI NIGHT...N to NE winds 15 to 20 kt S of 10N, and NE 25 to
35 kt elsewhere. Seas 10 to 13 ft in N swell. 
.SAT...NE winds 15 to 25 kt. Seas 8 to 13 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.SUN...NE winds 10 to 15 kt. Seas 8 to 11 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.MON...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. 

Caribbean between 64W and 72W

.TODAY...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft. 
.TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft. 
.FRI...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt
elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft
elsewhere. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft Gulf of
Venezuela, and 6 to 9 ft elsewhere. 
.SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 

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

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft, building to
8 to 12 ft after midnight. 
.SUN...E winds 15 to 25 kt. Seas 8 to 13 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 9 to 14 ft. 
.MON...E winds 15 to 25 kt. Seas 9 to 14 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 8 to 12 ft. 

Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 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...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.MON...E winds 10 to 20 kt. Seas 8 to 11 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A cold front extends SW from 31N69W to the NW 
Bahamas then becomes nearly stationary across the Straits of 
Florida. The front will move slowly S stalling from 24N65W to NW
Cuba on Fri evening, with remnants of the front gradually
weakening between 20N and 23N through Sat night. The W portion
of the frontal remnants will lift N as a warm front across the 
Straits of Florida on Sun night ahead of a surface low racing NE 
off the N Florida coast while dragging a cold front E across the 
Straits of Florida on Mon with the front reaching the Central 
Bahamas late Mon night. 

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

.TODAY...NE winds 15 to 25 kt. Seas 6 to 8 ft. 
.TONIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft. 
.FRI...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. 
.SUN...SE winds 10 to 20 kt. Seas 7 to 10 ft. 
.SUN NIGHT...S winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON...NW winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON NIGHT...N winds 15 to 20 kt. Seas 8 to 10 ft. 

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

...GALE CONDITIONS POSSIBLE...

.TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...NE winds 20 to 25 kt W of 70W, and N 15 to 25 kt
elsewhere. Seas 5 to 7 ft, building to 7 to 10 ft after
midnight. 
.FRI...NE winds 20 to 25 kt. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 20 to 25 kt. Seas 8 to 12 ft. 
.SAT...E winds 15 to 25 kt. Seas 8 to 12 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN...SE winds 15 to 20 kt. Seas 8 to 11 ft. 
.SUN NIGHT...SE winds 20 kt. Seas 8 to 11 ft. 
.MON...S winds 20 to 30 kt, shifting to SW to W 25 to 35 kt early.
Seas 12 ft in E to SE swell. 
.MON NIGHT...NW winds 15 to 25 kt. Seas 10 to 11 ft. 

Bahamas N of 22N

.TODAY...NE winds 15 to 25 kt. Seas 3 to 5 ft. 
.TONIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.FRI...NE winds 20 to 30 kt. Seas 6 to 9 ft. 
.FRI NIGHT...E winds 20 to 30 kt. Seas 7 to 10 ft. 
.SAT...E winds 20 to 30 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SUN...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.SUN NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON...SW winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 

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

.TODAY...W of 70W, NE winds 10 to 20 kt. Elsewhere, E winds
10 to 15 kt, shifting to NE in the afternoon. Seas 5 to 7 ft. 
.TONIGHT...NE winds 20 to 30 kt W of 70W, and NE 10 to 20 kt
elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 7 ft elsewhere. 
.FRI...NE winds 20 to 30 kt. Seas 8 to 13 ft. 
.FRI NIGHT...NE winds 20 to 30 kt. W of 70W, seas 12 to 15 ft.
Elsewhere, seas 9 to 13 ft, building to 12 to 14 ft after
midnight. 
.SAT...E winds 25 to 30 kt. Seas 12 to 15 ft. 
.SAT NIGHT...E winds 20 to 30 kt. Seas 12 to 15 ft.
.SUN...E winds 20 to 25 kt. Seas 11 to 14 ft. 
.SUN NIGHT...SE winds 20 to 25 kt. Seas 11 to 13 ft. 
.MON...SE winds 10 to 20 kt. Seas 10 to 12 ft. 
.MON NIGHT...S winds 10 to 20 kt. Seas 9 to 10 ft. 

ATLC waters S of 22N W of 65W

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...NE winds 15 to 25 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds 20 to 30 kt. Seas 8 to 13 ft. 
.SAT...E winds 20 to 30 kt. Seas 10 to 15 ft. 
.SAT NIGHT...E winds 20 to 30 kt. Seas 11 to 16 ft.
.SUN...E winds 20 to 30 kt. Seas 10 to 15 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 9 to 14 ft. 
.MON...E winds 15 to 25 kt. Seas 8 to 13 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 

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

.TODAY...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT...NE winds 15 to 25 kt. Seas 8 to 11 ft, building to 9 to
14 ft in the afternoon. 
.SAT NIGHT...NE winds 20 to 30 kt. Seas 11 to 16 ft. 
.SUN...NE winds 20 to 30 kt. Seas 12 to 15 ft. 
.SUN NIGHT...E winds 25 kt. Seas 13 to 14 ft. 
.MON...E winds 20 to 25 kt. Seas 12 to 13 ft. 
.MON NIGHT...E winds 15 to 20 kt. Seas 10 to 12 ft.