Offshore Forecast
Issued by NWS

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000
FZNT31 KNHC 240258
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
958 PM EST MON JAN 23 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...A STRONG COLD FRONT FROM E CENTRAL CUBA NEAR 21N77W
TO NE NICARAGUA WILL MOVE QUICKLY ACROSS THE W CENTRAL CARIBBEAN
TONIGHT...AND REACH FROM THE WINDWARD PASSAGE TO NICARAGUA-COSTA
RICA BORDER TUE MORNING...THEN GRADUALLY BECOME DIFFUSE FROM THE
ANEGADA PASSAGE TO S OF JAMAICA TO N COSTA RICA WED EVENING.
FRESH TO STRONG WINDS WILL PREVAIL BOTH AHEAD OF AND BEHIND THE
FRONT...MAINLY IN THE NW CARIBBEAN AND WINDWARD PASSAGE...WITH
LARGE NW SEAS NEAR THE YUCATAN CHANNEL. CONDITIONS WILL IMPROVE
TUE NIGHT WITH TYPICAL TRADES RETURNING WED. TRADES WILL INCREASE
TO FRESH TO STRONG IN THE S CENTRAL CARIBBEAN BY THE END OF THE
WEEK.

NW CARIBBEAN W OF 85W

.TONIGHT...NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE...N WINDS LESS THAN 10 KT IN THE MORNING...BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.WED...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.WED NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 FT.
.THU...SE WINDS LESS THAN 10 KT. SEAS 3 FT.
.THU NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS...
BUILDING TO 3 FT AFTER MIDNIGHT.
.FRI...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS...BUILDING TO
3 FT IN THE AFTERNOON.
.FRI NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT.
.SAT...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
.SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.TONIGHT...W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TUE...S OF 18N...NW WINDS 10 TO 20 KT. ELSEWHERE...NW WINDS
10 TO 15 KT...SHIFTING TO N IN THE AFTERNOON. SEAS 4 TO 6 FT.
.TUE NIGHT...S OF 18N...NE WINDS LESS THAN 10 KT. ELSEWHERE...N
WINDS LESS THAN 10 KT...SHIFTING TO NE AFTER MIDNIGHT. SEAS 3 TO
5 FT.
.WED...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.WED NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

CARIBBEAN FROM 11N TO 15N W OF 72W

.TONIGHT...S WINDS LESS THAN 10 KT...SHIFTING TO NW AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
.TUE...WITHIN 90 NM OF COAST OF COLOMBIA...VARIABLE WINDS LESS
THAN 10 KT...BECOMING N 10 KT IN THE AFTERNOON. ELSEWHERE...NW
WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU NIGHT...NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.FRI...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.FRI NIGHT...NE WINDS 10 TO 20 KT. 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.

SW CARIBBEAN S OF 11N

.TONIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE
EVENING...SUBSIDING TO 2 FT OR LESS.
.TUE...VARIABLE WINDS LESS THAN 10 KT...BECOMING N LESS THAN
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.
.TUE NIGHT...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.WED...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
.WED NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.FRI...NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.SAT...NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.

CARIBBEAN BETWEEN 64W AND 72W

.TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE...GULF OF VENEZUELA...E WINDS LESS THAN 10 KT...SHIFTING
TO N IN THE AFTERNOON. ELSEWHERE...S WINDS 10 TO 15 KT...
DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 2 FT OR
LESS GULF OF VENEZUELA...AND 3 TO 5 FT ELSEWHERE.
.TUE NIGHT...NE WINDS 10 TO 15 KT GULF OF VENEZUELA...AND NE
LESS THAN 10 KT ELSEWHERE. GULF OF VENEZUELA...SEAS 3 FT IN THE
EVENING...SUBSIDING TO 2 FT OR LESS. ELSEWHERE...SEAS 3 TO 5 FT.
.WED...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. GULF OF VENEZUELA...SEAS 2 FT OR LESS...BUILDING
TO 3 FT IN THE AFTERNOON. ELSEWHERE...SEAS 3 TO 5 FT.
.WED NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.FRI...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.

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

.TONIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TUE...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.WED...SE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.WED NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.THU...NE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
.THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.FRI...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.SAT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.

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

.TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TUE...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
.WED NIGHT...NE 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 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 6 FT.
.FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.SAT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A STRONG COLD FRONT FROM 31N70W TO E CENTRAL CUBA
WILL MOVE QUICKLY EASTWARD AND EXTEND FROM 31N67W TO THE
WINDWARD
PASSAGE EARLY TUE...THEN MOVE ACROSS THE NE CARIBBEAN AND
ADJACENT ATLC WED. THE FRONT WILL BE ACCOMPANIED BY A LARGE AREA
OF NEAR GALE TO GALE FORCE WINDS N OF 23N BOTH E AND W OF THE
FRONT THROUGH TUE. HIGH PRES WILL BUILD BACK ACROSS THE AREA
WED...SHIFTING E THU AS THE NEXT COLD FRONT MOVES OFF THE NE
FLORIDA COAST LATE THU. THAT NEXT FRONT WILL BRING INCREASING
WINDS AND SEAS MAINLY N OF 27N THROUGH FRI NIGHT.

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

...GALE WARNING...

.TONIGHT...W WINDS 25 TO 35 KT DIMINISHING TO 20 TO 30 KT AFTER
MIDNIGHT. SEAS 10 TO 15 FT.
.TUE...NW WINDS 15 TO 25 KT. SEAS 9 TO 14 FT... SUBSIDING TO
7 TO 10 FT IN THE AFTERNOON.
.TUE NIGHT...NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.WED...W WINDS LESS THAN 10 KT...SHIFTING TO SW IN THE
AFTERNOON. SEAS 4 TO 6 FT.
.WED NIGHT...SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.THU NIGHT...NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.FRI...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.FRI NIGHT...NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.SAT...NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.SAT NIGHT...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.

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

...GALE WARNING...

.TONIGHT...SW WINDS 25 TO 35 KT. W OF 70W...SEAS 11 TO 15 FT.
ELSEWHERE...SEAS 8 TO 11 FT...BUILDING TO 9 TO 14 FT AFTER
MIDNIGHT.
.TUE...W WINDS 20 TO 30 KT. SEAS 12 TO 15 FT.
.TUE NIGHT...NW WINDS 15 TO 25 KT. SEAS 9 TO 14 FT W OF 70W...
AND 12 TO 15 FT ELSEWHERE.
.WED...W WINDS 10 TO 20 KT W OF 70W...AND NW 15 TO 25 KT
ELSEWHERE. SEAS 7 TO 10 FT W OF 70W...AND 10 TO 15 FT ELSEWHERE.
.WED NIGHT...W WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.
.THU...SW WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.THU NIGHT...W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.FRI...W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.FRI NIGHT...W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.SAT...W WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.SAT NIGHT...W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.

BAHAMAS N OF 22N

.TONIGHT...W WINDS 20 TO 30 KT. SEAS 5 TO 8 FT.
.TUE...NW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.WED...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.WED NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 FT.
.THU...S WINDS LESS THAN 10 KT. SEAS 3 FT.
.THU NIGHT...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.FRI...S WINDS LESS THAN 10 KT...SHIFTING TO NW IN THE
AFTERNOON. SEAS 2 FT OR LESS.
.FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SAT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.

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

...GALE WARNING...

.TONIGHT...SW WINDS 25 TO 35 KT. SEAS 8 TO 11 FT.
.TUE...W WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
.TUE NIGHT...NW WINDS 15 TO 25 KT. SEAS 8 TO 13 FT W OF 70W...
AND 9 TO 14 FT ELSEWHERE.
.WED...W OF 70W...N WINDS 10 TO 15 KT...SHIFTING TO NE IN THE
AFTERNOON. ELSEWHERE...NW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT W
OF 70W...AND 8 TO 13 FT ELSEWHERE.
.WED NIGHT...E WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
.THU...S WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
.THU NIGHT...S WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.FRI...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...SW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SAT...SW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.

ATLC WATERS S OF 22N W OF 65W

.TONIGHT...S WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
.TUE...W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED...N WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
.WED NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. 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...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SAT...E WINDS LESS THAN 10 KT. SEAS 3 FT.
.SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.

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

.TONIGHT...SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.TUE...S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED...W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED NIGHT...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.THU...NE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 6 TO 8 FT.
.THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
.FRI...E WINDS 10 KT. SEAS 6 TO 7 FT.
.FRI NIGHT...E WINDS 10 KT. SEAS 5 TO 7 FT.
.SAT...E WINDS 10 KT. SEAS 5 TO 7 FT.
.SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.


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