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 181515
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1115 AM EDT Thu Apr 18 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...High pres NE of the area will support fresh to
strong trade winds in the S central Caribbean the next several
days. Fresh to strong winds will develop in the Gulf of Honduras
today. A cold front will move into the NW Caribbean Fri night,
then weaken and become stationary from central Cuba to the Gulf
of Honduras Sat night. Fresh to locally strong northerly winds
are expected in the wake of the front Fri night and Sat.

NW Caribbean W of 85W

.THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft.
.FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT...N winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...NE winds 10 to 15 kt. Seas 4 to 6 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 10 to 15 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, S winds
10 to 15 kt, diminishing to less than 10 kt after midnight. Seas
4 to 6 ft.
.SAT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 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.

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...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.
.TONIGHT...E winds 20 to 30 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft.
.FRI...E winds 20 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 6 to 9 ft.
.FRI NIGHT...E winds 20 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft.
.SAT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SUN NIGHT...NE 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 15 kt. Seas 5 to 7 ft.

SW Caribbean S of 11N

.THIS AFTERNOON...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 5 to 7 ft.
.SAT...N winds less than 10 kt. Seas 5 to 7 ft.
.SAT NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SUN NIGHT...NE 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 between 64W and 72W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 ft Gulf of
Venezuela, and 4 to 6 ft elsewhere.
.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 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela,
and 5 to 7 ft elsewhere.
.FRI NIGHT...E winds 20 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.
.SAT...E winds 10 to 20 kt. Seas 6 to 8 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 20 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 20 kt. Seas 5 to 6 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft.
.SAT...E winds 10 to 20 kt. Seas 5 to 6 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...E 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 15 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 20 kt. Seas 5 to 6 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...E winds 10 to 20 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 5 to 7 ft.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

Synopsis for the the SW N ATLC including the Bahamas

.SYNOPSIS...Winds and seas will increase over much of the NW
waters tonight and Fri ahead of a cold front expected to move
off the Florida peninsula Fri night. The front will extend from
31N73W across the central Bahamas to Cuba Sat evening, and from
31N69W to the SE Bahamas Sun evening, then stall and dissipate by
Mon night. Gale force southerly winds are expected ahead of the
front N of 27N. Numerous showers and scattered strong
thunderstorms will accompany the front.

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

...GALE WARNING...

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.TONIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft.
.FRI...S winds 25 to 35 kt. Seas 7 to 10 ft.
.FRI NIGHT...SW winds 25 to 35 kt. Seas 8 to 13 ft.
.SAT...W winds 15 to 25 kt. Seas 7 to 10 ft.
.SAT NIGHT...W winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...N winds less than 10 kt. Seas 4 to 6 ft.
.MON...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.

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

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI...SE winds 15 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...S winds 25 to 35 kt W of 70W, and SE 15 to 20 kt
elsewhere. W of 70W, seas 7 to 10 ft, building to 8 to 13 ft
after midnight. Elsewhere, seas 6 to 8 ft.
.SAT...W of 70W S to SW winds 25 to 35 kt. Seas 7 to 11 ft.
Elsewhere S winds 15 to 25 kt. Seas 8 to 11 ft.
.SAT NIGHT...S winds 10 to 20 kt. Seas 8 to 11 ft.
.SUN...S winds 10 to 20 kt. Seas 7 to 10 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.MON...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.

Bahamas N of 22N

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...N winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI...SE winds 15 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...SE winds 15 to 20 kt. Seas 6 to 7 ft.
.SAT...SE winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN...SE winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft.

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 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...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

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

.THIS AFTERNOON...E winds 10 kt. Seas 4 to 5 ft.
.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 15 kt. Seas 5 to 6 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 6 to 7 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN...E winds 10 to 20 kt. Seas 7 to 8 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 7 to 8 ft.
.MON...NE winds 10 to 15 kt. Seas 6 to 7 ft.
.MON NIGHT...N winds less than 10 kt. Seas 6 to 8 ft.


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