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 160313
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1013 PM EST Fri Feb 15 2019

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...Moderate to fresh winds over the central and eastern
Caribbean through Sat night will increase in the southern
Caribbean by early Sun due to high pres building N of the area.
Strong to near gale force winds are expected over the S central
Caribbean Sun night through Tue night, with gale conditions
possible off Colombia on Mon night. Fresh to strong E to SE are
also expected across the Caribbean water W of 85W, including the
Gulf of Honduras Sun through Wed night. NE to E swell over
Atlantic waters E of the Windward and Leeward Islands will
gradually subside through Sun.

NW Caribbean W of 85W

.TONIGHT...E winds less than 10 kt. Seas 3 ft.
.SAT...SE winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft.
.MON...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft.
.TUE...SE winds 15 to 25 kt. Seas 6 to 9 ft.
.TUE NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft.
.WED...SE winds 10 to 20 kt. Seas 6 to 8 ft.
.WED NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere.
.SAT...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.
.SAT NIGHT...E winds 10 to 15 kt. S of 18N, seas 3 to 5 ft.
Elsewhere, seas 2 ft or less, building to 3 ft after midnight.
.SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 to
5 ft elsewhere.
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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 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 9 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.

Caribbean from 11N to 15N W of 72W

...GALE CONDITIONS POSSIBLE...

.TONIGHT...NE winds 15 to 20 kt within 90 nm of coast of
Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft within
90 nm of coast of Colombia, and 4 to 6 ft elsewhere.
.SUN...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 5 to 7 ft.
.SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.MON...E winds 15 to 25 kt. Seas 6 to 9 ft.
.MON NIGHT...E winds 15 to 25 kt...except 25 to 35 kt within 90
nm of the coast of Colombia. Seas 7 to 10 ft...except 11 to 14 ft
within 90 nm of the coast of Colombia.
.TUE...E winds 15 to 25 kt. Seas 8 to 13 ft.
.TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft.
.WED...E winds 15 to 25 kt. Seas 8 to 11 ft.
.WED NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.

SW Caribbean S of 11N

.TONIGHT...N winds less than 10 kt. Seas 3 to 4 ft.
.SAT...N winds less than 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...NE winds less than 10 kt, shifting to N in the afternoon.
Seas 3 to 5 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...NE winds 10 to 15 kt. Seas 6 to 9 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.TUE...NE winds 10 to 20 kt. Seas 8 to 11 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.WED...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 7 to 10 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft.

Caribbean between 64W and 72W

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

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

.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...SE 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 20 kt. Seas 5 to 7 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 6 to 8 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.
.SAT...E winds 10 to 20 kt. Seas 6 to 8 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 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 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 6 to 8 ft.

Synopsis for the the SW N ATLC including the Bahamas

.SYNOPSIS...A stationary front extends from 31N68W to a 1011 mb
low pressure located near 30N71W. A surface trough extends from
the low center to the central Bahamas. The low will be N of the
forecast area on Sat, dragging the associated trough across the
NE waters through late Sat. A new cold front will move across
the waters N of 29N early Sun, pushing E of 65W by early Mon.
Another cold front will move across the waters N of 27N Mon
afternoon through Tue. The western part of the front is forecast
to lift N on Wed as another cold front approaches from the W.

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

.TONIGHT...Variable winds less than 10 kt, becoming SW less than
10 kt after midnight. Seas 3 to 4 ft.
.SAT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...W winds less than 10 kt, shifting to S in the afternoon.
Seas 3 to 4 ft.
.SUN NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft.
.WED...S winds 10 to 20 kt. Seas 6 to 8 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft.

ATLC waters from 27N to 31N between 65W and 77W

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

Bahamas N of 22N

.TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.SAT...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 2 ft or less.
.SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.SUN...SE winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less.
.MON...SE winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight.
.TUE...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.WED...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft.

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

.TONIGHT...W of 70W, W winds less than 10 kt in the evening,
becoming variable winds less than 10 kt. Elsewhere, S winds less
than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to
7 ft.
.SAT...W of 70W, Variable winds less than 10 kt, becoming SW
less than 10 kt in the afternoon. Elsewhere, SW winds 10 to
15 kt. Seas 4 to 6 ft.
.SAT NIGHT...SW winds less than 10 kt. Seas 4 to 6 ft.
.SUN...SW winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.MON...SE winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 4 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 7 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 5 ft.
.SAT...SE winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.SUN...E winds less than 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 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.
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...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.

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

.TONIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft.
.SAT...SE winds 10 to 15 kt. Seas 6 ft.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 5 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...E winds 10 to 20 kt. Seas 6 to 7 ft.


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