Offshore Forecast
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000
FZNT31 KNHC 221428
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
928 AM EST WED FEB 22 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 FRESH TO STRONG WIND SHIFT WILL ACCOMPANY A COLD
FRONT AS IT PASSES E ACROSS THE NW CARIBBEAN THROUGH TONIGHT
REACHING FROM E CUBA TO NE NICARAGUA ON THU. THE FRONT WILL
STALL AND GRADUALLY DISSIPATE FROM THE WINDWARD PASSAGE TO NE
NICARAGUA THROUGH SAT. STRONG NOCTURNAL FLOW WILL DEVELOP ALONG
THE NW COAST OF COLOMBIA ON SAT NIGHT WITH MINIMAL GALE FORCE
WINDS POSSIBLE ON SUN NIGHT.

NW CARIBBEAN W OF 85W

.TODAY...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.TONIGHT...W WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
.THU...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.FRI...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS...BUILDING
TO 3 FT AFTER MIDNIGHT.
.SAT...E WINDS 10 TO 15 KT IN THE MORNING...BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SAT NIGHT...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO
15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS...BUILDING TO 3 FT
AFTER MIDNIGHT.
.SUN...NE WINDS 10 TO 15 KT. SEAS 3 FT.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.TODAY...S OF 18N...SE WINDS LESS THAN 10 KT...SHIFTING TO S IN
THE AFTERNOON...SEAS 3 FT IN THE MORNING...SUBSIDING TO 2 FT OR
LESS. ELSEWHERE...S WINDS 10 TO 20 KT...SEAS 3 TO 5 FT.
.TONIGHT...SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU NIGHT...SW WINDS LESS THAN 10 KT S OF 18N... AND W 10 TO
20 KT ELSEWHERE. SEAS 3 TO 5 FT.
.FRI...SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.FRI NIGHT...SW WINDS LESS THAN 10 KT. SEAS 3 FT IN THE
EVENING...SUBSIDING TO 2 FT OR LESS.
.SAT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SUN...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 2 FT OR LESS.
.SUN NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.

CARIBBEAN FROM 11N TO 15N W OF 72W

...GALE CONDITIONS POSSIBLE...

.TODAY...WITHIN 90 NM OF COAST OF COLOMBIA...NE WINDS 10 TO
15 KT. ELSEWHERE...E WINDS LESS THAN 10 KT IN THE MORNING...
BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
.TONIGHT...NE WINDS 10 TO 15 KT WITHIN 90 NM OF COAST OF
COLOMBIA...AND E LESS THAN 10 KT ELSEWHERE. SEAS 2 FT OR LESS.
.THU...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.THU NIGHT...WITHIN 90 NM OF COAST OF COLOMBIA...NE WINDS 10 KT.
ELSEWHERE...VARIABLE WINDS LESS THAN 10 KT...BECOMING E LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS.
.FRI...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.FRI NIGHT...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 FT OR LESS.
.SAT...E WINDS 10 TO 15 KT. SEAS 3 FT.
.SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...NE TO E WINDS 20 TO 25 KT EXCEPT 30 TO 35 KT ALONG
THE NW COAST OF COLOMBIA. SEAS 6 TO 9 FT.

SW CARIBBEAN S OF 11N

.TODAY...NE WINDS LESS THAN 10 KT. SEAS 3 FT.
.TONIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.THU...VARIABLE WINDS LESS THAN 10 KT...BECOMING E LESS THAN
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.
.THU NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.FRI...E WINDS LESS THAN 10 KT. 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...BUILDING TO
3 FT IN THE AFTERNOON.
.SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.SUN...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.

CARIBBEAN BETWEEN 64W AND 72W

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

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

.TODAY...NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.TONIGHT...N WINDS LESS THAN 10 KT...SHIFTING TO SE AFTER
MIDNIGHT. SEAS 3 TO 5 FT.
.THU...SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.THU NIGHT...SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.FRI...SE 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 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.

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

.TODAY...NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.TONIGHT...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. SEAS 3 TO 5 FT.
.FRI...E 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 15 KT. SEAS 5 TO 7 FT.
.SUN...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.SUN NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...STRONG SE WINDS ARE DEVELOPING W OF 78W IN ADVANCE
OF A SURFACE LOW MOVING ACROSS FLORIDA TONIGHT. THE LOW WILL
DRAG A COLD FRONT ACROSS THE OLD BAHAMA CHANNEL ON THU AS A WARM
FRONT DEVELOPS E OF THE LOW. A LARGE AREA OF STRONG TO NEAR GALE
FORCE WINDS ARE EXPECTED E OF THE FRONTS ON THU WITH AN EMBEDDED
BAND OF GALE FORCE WINDS THAT WILL PERSIST THROUGH MID DAY ON
THU. THE LOW WILL REACH NEAR 29N75W ON FRI WITH THE COLD FRONT
EXTENDING SE TO THE WINDWARD PASSAGE. THE STRONG WINDS WILL SHIFT
N OF THE AREA ON SAT AS THE COLD FRONT SLOWS ALONG 70W. A SECOND
COLD FRONT WILL MOVE INTO THE NW WATERS ON SAT NIGHT ACCOMPANIED
BY STRONG POST FRONTAL FLOW.

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

.TODAY...SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
.TONIGHT...SE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.THU...E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.THU NIGHT...E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.FRI...NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
.FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
.SAT...NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.SAT NIGHT...W WINDS 10 TO 15 KT...SHIFTING TO NW 15 TO 25 KT
AFTER MIDNIGHT. SEAS 6 TO 8 FT.
.SUN...NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.

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

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

.TODAY...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT W OF 70W...AND
7 TO 10 FT ELSEWHERE.
.TONIGHT...E TO SE WINDS 20 TO 30 KT. SEAS 7 TO 10 FT IN NE
SWELL.
.THU...E TO SE WINDS 25 TO 35 KT. SEAS 9 TO 14 FT IN NE SWELL.
.THU NIGHT...SE WINDS 25 TO 35 KT. SEAS 10 TO 15 FT IN NE TO E
SWELL.
.FRI...SE TO S WINDS 25 TO 35 KT. SEAS 10 TO 15 FT IN NE TO E
SWELL.
.FRI NIGHT...S WINDS 15 TO 25 KT. SEAS 8 TO 13 FT.
.SAT...SW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.SAT NIGHT...W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.SUN...NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.SUN NIGHT...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.

BAHAMAS N OF 22N

.TODAY...SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
.TONIGHT...S WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
.THU...SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU NIGHT...W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI...W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...NW WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.
.SAT...NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SAT NIGHT...N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SUN...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS...BUILDING TO
3 FT IN THE AFTERNOON.
.SUN NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.

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

...GALE WARNING...

.TODAY...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.TONIGHT...SE WINDS 15 TO 25 KT W OF 70W...AND E 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 9 FT.
.THU...E TO S WINDS 20 TO 30 KT EXCEPT 30 TO 35 KT NEAR 27N72W.
SEAS 8 TO 13 FT IN NE SWELL.
.THU NIGHT...S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT IN E
SWELL.
.FRI...S WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.FRI NIGHT...SW WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
.SAT...SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.SAT NIGHT...W WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT.
.SUN...NW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
.SUN NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

ATLC WATERS S OF 22N W OF 65W

.TODAY...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TONIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.THU NIGHT...S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.FRI...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.FRI NIGHT...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.SAT...S WINDS 10 TO 15 KT...SHIFTING TO SW IN THE AFTERNOON.
SEAS 4 TO 6 FT.
.SAT NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SUN...SE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.

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

.TODAY...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TONIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.THU NIGHT...SE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.FRI...SE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
.FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
.SAT...SE WINDS 10 TO 15 KT. SEAS 5 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.


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