000
FZNT31 KNHC 032026
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
326 PM EST Sat Mar 3 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...Intense low pressure currently centered over the NW 
Atlc near 36N65W will produce large and dangerous N swell that 
will penetrate the NE Caribbean Passages Sun through late Wed, 
reaching the A-B-C Islands and coastal Venezuela. The low will 
drag a cold front into the northern Caribbean tonight, then the 
front will weaken and dissipate by Mon. 

NW Caribbean W of 85W

.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...NE 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 less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.WED NIGHT...NE winds less than 10 kt. Seas 3 ft. 
.THU...NE winds less than 10 kt, shifting to N in the afternoon.
Seas 3 to 5 ft. 
.THU NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. 

Caribbean N of 15N between 72W and 85W

.TONIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 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. 
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 
.THU NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 

Caribbean from 11N to 15N W of 72W

.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 3 to 5 ft. 
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. 
.TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 

SW Caribbean S of 11N

.TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...N winds less than 10 kt. Seas 3 to 4 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 4 to 6 ft. 
.WED NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.THU...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft. 
.THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. 

Caribbean between 64W and 72W

.TONIGHT...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere,
NE winds less than 10 kt in the evening, becoming variable winds
less than 10 kt. Seas 3 to 4 ft. 
.SUN...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere,
Variable winds less than 10 kt, becoming NW less than 10 kt in
the afternoon. Seas 2 ft or less Gulf of Venezuela, and 3 to
5 ft elsewhere. 
.SUN NIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and N less
than 10 kt elsewhere. Gulf of Venezuela, seas 3 ft in the
evening, subsiding to 2 ft or less. Elsewhere, seas 4 to 6 ft. 
.MON...Gulf of Venezuela, Variable winds less than 10 kt,
becoming NE 10 to 15 kt in the afternoon. Elsewhere, NE winds
less than 10 kt. Seas 2 ft or less Gulf of Venezuela, and 5 to
7 ft elsewhere. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.TUE...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.WED...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 

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

.TONIGHT...S winds less than 10 kt, shifting to SW after
midnight. Seas 5 to 7 ft. 
.SUN...SW winds 10 to 15 kt. Seas 6 to 8 ft, building to 8 to
11 ft in the afternoon. 
.SUN NIGHT...W winds 10 to 15 kt. Seas 9 to 14 ft. 
.MON...W winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 9 to 14 ft. 
.MON NIGHT...N winds less than 10 kt. Seas 8 to 13 ft. 
.TUE...NE winds less than 10 kt. Seas 8 to 11 ft. 
.TUE NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. 
.WED...NE winds 10 to 15 kt. Seas 8 to 11 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 7 to 10 ft.
.THU...E winds 10 to 15 kt. Seas 7 to 10 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. 

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

.TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. 
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 8 to 11 ft. 
.MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 7 to 10 ft. 
.TUE...E winds 10 to 15 kt. Seas 7 to 10 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.WED...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft.
.THU...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A cold front extends from 24N65W to northern Cuba 
near 21N77W. Strong to gale force winds prevail N of the front. 
The front will shift SE and gale conditions will shift E of the 
area in tandem with the front. The largest swell event thus far 
this winter will follow in the wake of the front and eventually 
affect all the waters E of Florida and the Bahamas through Tue. 
Another strong cold front may impact the waters E of Florida Tue 
night and Wed, the shift E by Thu.

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

.TONIGHT...N winds 20 to 25 kt. Seas 12 to 17 ft. 
.SUN...N winds 20 to 25 kt. Seas 14 to 19 ft. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 14 to 19 ft. 
.MON...N winds 10 to 15 kt. Seas 13 to 17 ft. 
.MON NIGHT...NE winds 10 kt in the evening, becoming variable
winds less than 10 kt. Seas 11 to 15 ft. 
.TUE...SE winds less than 10 kt, becoming S 10 to 20 kt in the
afternoon. Seas 11 to 13 ft. 
.TUE NIGHT...S winds 10 to 20 kt, becoming SW 20 to 30 kt after
midnight. Seas 11 to 14 ft. 
.WED...W winds 15 to 25 kt. Seas 9 to 14 ft. 
.WED NIGHT...W winds 15 to 20 kt. Seas 9 to 11 ft.
.THU...NW winds 15 to 20 kt. Seas 8 to 10 ft. 
.THU NIGHT...NW winds 15 to 20 kt. Seas 7 to 10 ft. 

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

...GALE WARNING TONIGHT THROUGH MON...
...GALE CONDITIONS POSSIBLE MON NIGHT AND WED...

.TONIGHT...NW winds 25 to 35 kt W of 70W, and NW 30 to 40 kt 
elsewhere. W of 70W, seas 18 to 28 ft. Elsewhere, seas 26 to 32 
ft, subsiding to 25 to 29 ft after midnight. 
.SUN... of 29N E of 72W NW winds 25 to 35 kt. Elsewhere, NW 
winds 20 to 30 kt. Seas 19 to 27 ft W of 70W, and 23 to 28 ft 
elsewhere. 
.SUN NIGHT...E of 70W NW winds 25 to 35 kt. Seas 22 to 32 ft.
Elsewhere, N winds 20 to 30 kt. Seas 18 to 25 ft W of 70W, and 
21 to 26 ft elsewhere. 
.MON...NW winds 15 to 25 kt W of 70W, and NW 25 to 35 kt
elsewhere. Seas 17 to 22 ft W of 70W, and 20 to 26 ft elsewhere.
.MON NIGHT...N of 27N E of 70W NW winds 25 to 35 kt. Seas 20 to 
26 ft. Elsewhere, NW winds 20 to 30 kt. Seas 16 to 26 ft, 
subsiding to 17 to 22 ft after midnight. 
.TUE...NW winds 10 to 20 kt. Seas 14 to 19 ft. 
.TUE NIGHT...W winds 10 to 20 kt. Seas 12 to 15 ft. 
.WED...N of 30N W of 70W SW winds 25 to 35 kt. Elsewhere, SW 
winds 15 to 25 kt. Seas 11 to 14 ft.
.WED NIGHT...SW winds 15 to 25 kt. Seas 9 to 13 ft. 
.THU...W winds 15 to 25 kt. Seas 9 to 13 ft. 
.THU NIGHT...W winds 15 to 20 kt. Seas 9 to 11 ft. 

Bahamas N of 22N

.TONIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft, building to
8 to 13 ft after midnight. 
.SUN...N winds 10 to 20 kt. Seas 8 to 13 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 8 to 13 ft. 
.MON...NE winds 10 to 15 kt. Seas 8 to 11 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.TUE...E winds less than 10 kt, shifting to SE in the afternoon.
Seas 6 to 9 ft. 
.TUE NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 6 to 8 ft. 
.WED...S winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU...W winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. 

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

.TONIGHT...NW winds 15 to 25 kt W of 70W, and NW 20 to 30 kt
elsewhere. Seas 16 to 21 ft, building to 16 to 25 ft after
midnight. 
.SUN...NW winds 15 to 25 kt W of 70W, and NW 20 to 30 kt
elsewhere. Seas 17 to 24 ft. 
.SUN NIGHT...NW winds 20 to 25 kt. Seas 18 to 22 ft. 
.MON...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt
elsewhere. Seas 16 to 20 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 15 to 20 ft. 
.TUE...N winds 10 to 15 kt. Seas 13 to 17 ft. 
.TUE NIGHT...E winds less than 10 kt. Seas 12 to 14 ft. 
.WED...SE winds less than 10 kt, shifting to S in the afternoon.
Seas 10 to 12 ft. 
.WED NIGHT...S winds 10 to 20 kt. Seas 9 to 11 ft. 
.THU...SW winds 10 to 20 kt. Seas 8 to 10 ft. 
.THU NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. 

ATLC waters S of 22N W of 65W

.TONIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft, building to
9 to 14 ft after midnight. 
.SUN...NW winds 10 to 20 kt. Seas 9 to 14 ft. 
.SUN NIGHT...NW winds 10 to 20 kt. Seas 10 to 15 ft. 
.MON...N winds 10 to 20 kt. Seas 9 to 14 ft. 
.MON NIGHT...N winds 10 to 15 kt. Seas 8 to 13 ft. 
.TUE...NE winds 10 to 15 kt. Seas 8 to 11 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 8 to 11 ft. 
.WED...E winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 7 to 10 ft. 
.WED NIGHT...E winds less than 10 kt, shifting to SE after
midnight. Seas 6 to 9 ft. 
.THU...S winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft. 
.THU NIGHT...SE winds less than 10 kt, shifting to S after
midnight. Seas 5 to 7 ft. 

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

.TONIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft, building to
9 to 14 ft after midnight. 
.SUN...W winds 15 to 20 kt. Seas 12 to 17 ft. 
.SUN NIGHT...W winds 15 to 20 kt. Seas 16 to 19 ft. 
.MON...W winds 10 to 20 kt. Seas 14 to 17 ft. 
.MON NIGHT...W winds 10 to 15 kt. Seas 12 to 14 ft. 
.TUE...NW winds 10 to 15 kt. Seas 11 to 13 ft. 
.TUE NIGHT...N winds 10 kt. Seas 11 to 13 ft. 
.WED...NE winds 10 kt. Seas 10 to 12 ft. 
.WED NIGHT...E winds 10 kt. Seas 9 to 10 ft. 
.THU...E winds 10 kt. Seas 9 to 10 ft. 
.THU NIGHT...E winds 10 kt. Seas 8 to 9 ft.