Offshore Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZNT31 KNHC 160834
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
334 AM EST Sat Dec 16 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...Strong nocturnal trades along the coast of Colombia
will intensify to gale force early this morning, then diminish
slightly each day through Tuesday. Fresh to strong NE to E winds
will develop to the lee of Cuba and across the Windward Passage
Saturday night through Tue.

NW Caribbean W of 85W

.TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 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...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 20 kt. Seas 5 to 7 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 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere.
.TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 6 to 9 ft S of 18N, and 5 to 7 ft elsewhere.
.SUN...E winds 15 to 25 kt. Seas 7 to 10 ft S of 18N, and 5 to
7 ft elsewhere.
.SUN NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 8 to 11 ft S of 18N, and 6 to 8 ft elsewhere.
.MON...E winds 15 to 25 kt. Seas 7 to 10 ft.
.MON NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.TUE...E winds 10 to 20 kt. Seas 7 to 10 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.WED...E winds 10 to 20 kt. Seas 6 to 8 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

Caribbean from 11N to 15N W of 72W

...GALE WARNING...

.TODAY...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.
.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, building
to 9 to 14 ft after midnight.
.SUN...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.
.SUN NIGHT...E winds 25 to 35 kt. Seas 9 to 14 ft.
.MON...E winds 20 to 30 kt. Seas 9 to 14 ft.
.MON NIGHT...E winds 15 to 25 kt. Seas 9 to 13 ft.
.TUE...E winds 15 to 25 kt. Seas 8 to 13 ft.
.TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft.
.WED...E winds 15 to 25 kt. Seas 8 to 11 ft.
.WED NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft.

SW Caribbean S of 11N

.TODAY...NE winds 10 to 20 kt. Seas 8 to 11 ft.
.TONIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft.
.SUN...NE winds 15 to 25 kt. Seas 8 to 13 ft.
.SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft, building to
9 to 14 ft after midnight.
.MON...NE winds 15 to 25 kt. Seas 9 to 14 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 8 to 12 ft.
.TUE...NE winds 10 to 20 kt. Seas 8 to 12 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.WED...E winds 10 to 20 kt. Seas 8 to 11 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft.

Caribbean between 64W and 72W

.TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela,
and 6 to 8 ft elsewhere.
.TONIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of
Venezuela, and 6 to 9 ft elsewhere.
.SUN...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela,
and 7 to 10 ft elsewhere.
.SUN NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of
Venezuela, and 7 to 10 ft elsewhere.
.MON...E winds 15 to 25 kt. Seas 7 to 10 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.WED...E winds 10 to 20 kt. Seas 6 to 8 ft.
.WED 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

.TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN NIGHT...NE 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.
.TUE...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft.
.WED 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

.TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...NE 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 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.
.TUE...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A stationary front off the NE Florida coast will
slowly dissipate through early next week as high pres builds
eastward across the area. Winds will become fresh between the
Bahamas and Cuba, including the Straits of Florida, tonight
through Mon.

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

.TODAY...N winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...NE winds 10 kt. Seas 3 ft.
.SUN...SE winds less than 10 kt. Seas 3 ft.
.SUN NIGHT...Variable winds less than 10 kt, becoming SE 10 kt
after midnight. Seas 3 ft.
.MON...Variable winds less than 10 kt. Seas 3 ft.
.MON NIGHT...SE winds 10 kt. Seas 3 ft.
.TUE...SW winds 10 kt. Seas 3 ft.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...W winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.

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

.TODAY...W of 70W, NW winds 10 to 20 kt. Elsewhere, W winds
15 to 25 kt, shifting to NW 10 to 15 kt in the afternoon. Seas
6 to 8 ft.
.TONIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft W of 70W, and
6 to 9 ft elsewhere.
.SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...W of 70W, E winds less than 10 kt. Elsewhere, NE
winds 10 to 15 kt, diminishing to less than 10 kt after
midnight. Seas 4 to 6 ft.
.MON...NE winds less than 10 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds less than 10 kt, shifting to S after
midnight. Seas 3 to 5 ft.
.TUE...SW winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...SW winds 10 to 20 kt. Seas 4 to 6 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft.

Bahamas N of 22N

.TODAY...NE winds 10 to 15 kt. Seas 2 ft or less.
.TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft.
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE NIGHT...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 ft.

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

.TODAY...SE winds less than 10 kt. Seas 3 to 5 ft.
.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 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 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.

ATLC waters S of 22N W of 65W

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.
.SUN...E winds 15 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft.
.MON...E winds 15 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 5 to 7 ft.
.TUE NIGHT...E winds 15 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 15 kt. Seas 4 to 6 ft.

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

.TODAY...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 7 ft.
.MON...NE winds 10 to 20 kt. Seas 6 to 7 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft.
.TUE...NE winds 10 to 15 kt. Seas 7 to 8 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 7 ft.
.WED...E winds 10 to 15 kt. Seas 6 to 7 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 6 ft.


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.