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
000
FZNT31 KNHC 241514
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1114 AM EDT WED AUG 24 2016

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...A TROPICAL LOW IS CURRENTLY NEAR 18N64W ALONG A
TROPICAL WAVE AXIS. TROPICAL CYCLONE DEVELOPMENT IS POSSIBLE AS
THE LOW CONTINUES NW ACROSS THE VIRGIN ISLANDS TODAY WITH THE
STRONGEST WINDS OVER THE NE QUADRANT OF THE LOW. FRESH TRADES
ARE FORECAST OVER THE CENTRAL CARIBBEAN THROUGH SAT. TROPICAL
CYCLONE GASTON IS EXPECTED TO PASS E OF THE AREA...BUT LONG
PERIOD SWELLS RESULTING IN COMBINED SEAS OF 7 TO 9 FT WILL
PROPAGATE INTO THE TROPICAL WATERS N OF 18N E OF 57W ON FRI.

NW CARIBBEAN W OF 85W

.THIS AFTERNOON...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.TONIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.THU...N WINDS LESS THAN 10 KT. SEAS 3 FT.
.THU NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING...
SUBSIDING TO 2 FT OR LESS.
.FRI...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SAT...E WINDS LESS THAN 10 KT IN THE MORNING...BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SUN...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TONIGHT...NE WINDS 10 TO 15 KT S OF 18N...AND NE LESS THAN
10 KT ELSEWHERE. SEAS 3 TO 4 FT.
.THU...E WINDS 10 TO 15 KT S OF 18N...AND E LESS THAN 10 KT
ELSEWHERE. SEAS 3 TO 4 FT.
.THU NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT.
.FRI...E WINDS LESS THAN 10 KT. SEAS 3 FT.
.FRI NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT.
.SAT...E WINDS LESS THAN 10 KT. SEAS 3 FT.
.SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 FT.
.SUN...E WINDS LESS THAN 10 KT. SEAS 3 FT.
.SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT.

CARIBBEAN FROM 11N TO 15N W OF 72W

.THIS AFTERNOON...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TONIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...NE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.
.SAT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SUN...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.

SW CARIBBEAN S OF 11N

.THIS AFTERNOON...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TONIGHT...N 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...VARIABLE WINDS LESS THAN 10 KT...BECOMING N LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
.FRI...VARIABLE WINDS LESS THAN 10 KT...BECOMING NW LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 FT.
.FRI NIGHT...NW WINDS LESS THAN 10 KT IN THE EVENING...BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
.SAT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
.SAT NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SUN...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SUN NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.

CARIBBEAN BETWEEN 64W AND 72W

.THIS AFTERNOON...SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
.TONIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.THU...GULF OF VENEZUELA...E WINDS 10 TO 20 KT...SHIFTING TO NE
IN THE AFTERNOON...SEAS 3 TO 4 FT IN THE MORNING...SUBSIDING TO 2
FT OR LESS. ELSEWHERE...SE WINDS 10 TO 20 KT...SEAS 4 TO 6 FT.
.THU NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF
VENEZUELA...AND 4 TO 6 FT ELSEWHERE.
.FRI...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.SAT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W

.THIS AFTERNOON...SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.FRI...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SAT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SUN...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W

.THIS AFTERNOON...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.THU...E WINDS 10 TO 15 KT...SHIFTING TO SE IN THE AFTERNOON.
SEAS 3 TO 5 FT.
.THU NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.FRI...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
.SAT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 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.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...THE REMNANT LOW OF FIONA WILL GRADUALLY DISSIPATE
OVER THE NE WATERS THROUGH THU. A TROPICAL LOW IS CURRENTLY SE
OF THE AREA NEAR 18N64W ALONG A TROPICAL WAVE. TROPICAL CYCLONE
DEVELOPMENT IS POSSIBLE AS THE LOW CONTINUES NW PASSING N OF
PUERTO RICO THROUGH TONIGHT...WITH THE STRONGEST WINDS CONTINUING
OVER THE NE QUADRANT. THE LOW...OR TROPICAL CYCLONE...WILL
CONTINUE NW THROUGH THE BAHAMA CHAIN THIS WEEK REACHING NEAR THE
NW BAHAMAS ON SUN. LARGE SWELLS FROM TROPICAL CYCLONE GASTON WILL
PROPAGATE W ACROSS THE WATERS S OF BERMUDA ON SAT AND SUN.

ATLC WATERS FROM 27N TO 31N W OF 77W

.THIS AFTERNOON...NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.TONIGHT...NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.THU...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.FRI...NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.SAT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.SAT NIGHT...E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT.
.SUN...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.

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

.THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.FRI...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.SAT...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.SUN...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.

BAHAMAS N OF 22N

.THIS AFTERNOON...NE WINDS LESS THAN 10 KT. SEAS 3 FT.
.TONIGHT...NE WINDS LESS THAN 10 KT...SHIFTING TO E AFTER
MIDNIGHT. SEAS 3 FT.
.THU...NE WINDS LESS THAN 10 KT. SEAS 3 FT.
.THU NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.FRI...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SAT...E WINDS 20 TO 30 KT. SEAS 5 TO 7 FT.
.SAT NIGHT...S WINDS 20 TO 30 KT. SEAS 5 TO 7 FT.
.SUN...SE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
.SUN NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.

ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS

.THIS AFTERNOON...E WINDS 20 TO 30 KT. SEAS 4 FT W OF 70W...AND 7
TO 10 FT ELSEWHERE.
.TONIGHT...E WINDS 20 TO 30 KT. SEAS 4 TO 5 FT W OF 70W...AND 8
TO 12 FT ELSEWHERE.
.THU...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT W OF 70W...AND 8 TO 11
FT ELSEWHERE.
.THU NIGHT...E WINDS 15 TO 25 KT W OF 68W...AND SE 10 TO 15 KT
ELSEWHERE. SEAS 7 TO 10 FT.
.FRI...SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.FRI NIGHT...SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.SAT...SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
.SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.SUN...SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.SUN NIGHT...SE WINDS LESS THAN 10 KT. SEAS 6 TO 7 FT.

ATLC WATERS S OF 22N W OF 65W

.THIS AFTERNOON...E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.TONIGHT...E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.THU...SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SAT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SAT NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SUN...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.

ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W

.THIS AFTERNOON...SE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.TONIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.THU...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.THU NIGHT...E WINDS 10 KT. SEAS 4 TO 5 FT.
.FRI...E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.FRI NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.SAT...VARIABLE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.SAT NIGHT...SE WINDS 10 KT. SEAS 6 TO 7 FT.
.SUN...SE WINDS 10 KT. SEAS 5 TO 6 FT.
.SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.



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