Offshore Forecast
Issued by NWS

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000
FZNT31 KNHC 260927
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
527 AM EDT SUN MAR 26 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...LARGE N SWELL PROPAGATING THROUGH THE NORTHERN
TROPICAL N ATLC WATERS WILL SUBSIDE THIS AFTERNOON. A WEAK
TROUGH EXTENDING FROM THE MONA PASSAGE TO NEAR 15N70W WILL
DISSIPATE TODAY. LOW PRES N OF THE CARIBBEAN NEAR 21N68W WILL
MAINTAIN A LIGHT WIND REGIME ACROSS THE CARIBBEAN THROUGH EARLY
NEXT WEEK. ANOTHER SET OF NORTHERLY SWELL WILL PROPAGATE INTO
MAINLY THE EASTERN PORTION OF THE TROPICAL N ATLC LATE WED...
BUT IS EXPECTED TO SUBSIDE ON THU WHILE EXITING THOSE WATERS.

NW CARIBBEAN W OF 85W

.TODAY...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.MON...E WINDS 10 TO 15 KT. SEAS 3 FT.
.MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU NIGHT...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.TODAY...NE WINDS LESS THAN 10 KT S OF 18N...AND NE 10 TO 15 KT
ELSEWHERE. SEAS 3 TO 4 FT.
.TONIGHT...S OF 18N...NE WINDS LESS THAN 10 KT. ELSEWHERE...NE
WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
.MON...E WINDS LESS THAN 10 KT S OF 18N...AND E 10 TO 15 KT
ELSEWHERE. SEAS 2 TO 3 FT.
.MON NIGHT...S OF 18N...E WINDS LESS THAN 10 KT. ELSEWHERE...E
WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.TUE...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.WED...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.WED NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 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.

CARIBBEAN FROM 11N TO 15N W OF 72W

.TODAY...E WINDS 10 TO 15 KT WITHIN 90 NM OF COAST OF COLOMBIA...
AND NE LESS THAN 10 KT ELSEWHERE. SEAS 3 TO 4 FT.
.TONIGHT...NE WINDS 10 TO 15 KT WITHIN 90 NM OF COAST OF
COLOMBIA...AND NE LESS THAN 10 KT ELSEWHERE. SEAS 2 TO 3 FT.
.MON...NE WINDS 10 TO 15 KT WITHIN 90 NM OF COAST OF COLOMBIA...
AND NE LESS THAN 10 KT ELSEWHERE. SEAS 3 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT WITHIN 90 NM OF COAST OF
COLOMBIA...AND NE LESS THAN 10 KT ELSEWHERE. SEAS 2 TO 3 FT.
.TUE...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.TUE NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED NIGHT...NE 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.

SW CARIBBEAN S OF 11N

.TODAY...N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TONIGHT...N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.MON...NE WINDS LESS THAN 10 KT. SEAS 3 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 FT.
.TUE...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.TUE NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.WED...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.WED NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.

CARIBBEAN BETWEEN 64W AND 72W

.TODAY...E 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.
.TONIGHT...NE WINDS 10 TO 15 KT GULF OF VENEZUELA...AND E LESS
THAN 10 KT ELSEWHERE. SEAS 3 TO 5 FT.
.MON...GULF OF VENEZUELA...NE WINDS 10 TO 15 KT. ELSEWHERE...E
WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT GULF OF VENEZUELA...AND E LESS
THAN 10 KT ELSEWHERE. SEAS 3 TO 4 FT.
.TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.WED...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

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

.TODAY...SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.MON...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.MON NIGHT...SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.TUE...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
.TUE NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.WED...S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.WED NIGHT...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.THU...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.THU NIGHT...NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.

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

.TODAY...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TONIGHT...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 4 TO 6 FT.
.TUE...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.WED NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...THE COMBINATION OF STRONG HIGH PRES RIDING OVER THE
FAR NORTHERN WATERS AND LOW PRES NEAR 21N68W 1012 IS RESULTING
IN NEAR GALE TO GALE FORCE NE TO E WINDS N OF THE LOW. THE GALE
FORCE WINDS WILL CONTINUE THROUGH AT LEAST TUE NIGHT AS THE LOW
TRACKS N THEN NE. THE LOW WILL EXIT THE AREA LATE MON NIGHT INTO
TUE AS WEAK HIGH PRES SETTLES IN OVER THE AREA THROUGH THU WITH
WIND AND SEAS DECREASING. LARGE N SWELL WILL LINGER IN THE E
PORTION OF THE AREA N OF 22N BEFORE MOVING E OF THE AREA WED
NIGHT.

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

.TODAY...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
.MON...E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.MON NIGHT...E WINDS 10 KT. SEAS 6 TO 8 FT.
.TUE...S WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.WED...SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.WED NIGHT...NW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
.THU...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.THU NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.

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

...GALE WARNING BETWEEN 65W AND 70W...

.TODAY...E WINDS 10 TO 20 KT W OF 70W...AND E 20 TO 30 KT
ELSEWHERE. W OF 70W...SEAS 7 TO 10 FT. ELSEWHERE...SEAS 8 TO
11 FT...BUILDING TO 9 TO 14 FT IN THE AFTERNOON.
.TONIGHT...E WINDS 10 TO 20 KT W OF 70W...AND E 20 TO 30 KT
ELSEWHERE EXCEPT 25 TO 35 KT S OF 29N. SEAS 8 TO 13 FT W OF
70W...AND 10 TO 17 FT ELSEWHERE.
.MON...NE WINDS 10 TO 20 KT W OF 70W...AND NE 20 TO 35 KT
E OF 70W. SEAS 8 TO 13 FT W OF 70W...AND 10 TO 17 FT ELSEWHERE.
.MON NIGHT...NE WINDS 10 TO 15 KT W OF 70W...AND NE 25 TO 30 KT
E OF 70W EXCEPT 30 TO 40 KT N OF 28N E OF 68W. SEAS 8 TO 11 FT W
OF 70W...AND 10 TO 15 FT ELSEWHERE EXCEPT 14 TO 28 FT N OF 28N
E OF 68W.
.TUE...N TO NE WINDS 15 TO 25 KT...EXCEPT NE 30 TO 35 KT N OF 29N
E OF 66W EARLY. SEAS 8 TO 13 FT...EXCEPT 11 TO 16 FT N OF 29N E OF
66W EARLY SUBSIDING TO 10 TO 14 FT IN THE AFTERNOON.
.TUE NIGHT...N TO NE WINDS 10 TO 20 KT...EXCEPT N TO NE 15 TO
25 KT BETWEEN 65W AND 70W. SEAS 8 TO 11 FT...EXCEPT 9 TO 13 FT
BETWEEN 65W AND 70W.
.WED...NW WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.
.WED NIGHT...NW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
.THU...NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.THU NIGHT...N WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT.

BAHAMAS N OF 22N

.TODAY...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TONIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.MON...NE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TUE...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.WED...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.WED NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.THU...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.THU NIGHT...E WINDS 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.

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

...GALE WARNING N OF 25N BETWEEN 65W AND 70W...

.TODAY...NE WINDS 15 TO 20 KT W OF 70W...AND NE TO E 20 TO 30 KT
ELSEWHERE EXCEPT FROM 25N TO 27N BETWEEN 65W AND 70W NE TO E
WINDS 30 TO 35 KT. SEAS 9 TO 14 FT...EXCEPT 10 TO 16 FT FROM 25N
TO 27N BETWEEN 65W AND 70W.
.TONIGHT...NE TO E WINDS 15 TO 25 KT...EXCEPT N OF 25N 30 TO 35
KT. SEAS 9 TO 14 FT...EXCEPT 10 TO 16 FT FROM 25N TO 29N.
.MON...N TO NE WINDS 10 TO 20 KT...EXCEPT BETWEEN 65W AND 70W
E WINDS 25 TO 30 KT SHIFTING TO NW TO N IN THE AFTERNOON.
SEAS 9 TO 14 FT...EXCEPT 10 TO 15 FT N OF 25N BETWEEN 65W AND
70W AND 8 TO 10 FT ELSEWHERE.
.MON NIGHT...N TO NE WINDS 10 TO 20 KT. SEAS 8 TO 12 FT...EXCEPT
9 TO 14 FT BETWEEN 65W AND 70W.
.TUE...N TO NE WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.
.TUE NIGHT...N TO NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT...EXCEPT
8 TO 13 FT BETWEEN 65W AND 70W.
.WED...N TO NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT...EXCEPT 8 TO 11
FT BETWEEN 65W AND 70W.
.WED NIGHT...N TO NE WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
.THU...N TO NE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
.THU NIGHT...N TO NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.

ATLC WATERS S OF 22N W OF 65W

.TODAY...NW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
.TONIGHT...NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.MON...NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.MON NIGHT...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TUE...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.WED...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.WED NIGHT...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.THU...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.THU NIGHT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.

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

.TODAY...SE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
.TONIGHT...SE WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
.MON...SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
.MON NIGHT...S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.TUE...S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.TUE NIGHT...SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED...W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED NIGHT...NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.THU...N WINDS 10 KT. SEAS 6 TO 8 FT.
.THU NIGHT...N WINDS 10 KT IN THE EVENING...BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 7 TO 8 FT.


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