Offshore Forecast
Issued by NWS

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000
FZNT31 KNHC 200256
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
956 PM EST THU JAN 19 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...WEAK RIDGE ACROSS THE BAHAMAS WILL SHIFT E-NE
THROUGH THE WEEKEND AND INTO THE CENTRAL ATLC BY MON...PRODUCING
WEAKENING TRADE WINDS ACROSS THE BASIN THROUGH FRI. WINDS WILL
INCREASE ACROSS THE NW CARIBBEAN OVER THE WEEKEND AHEAD OF A
STRONG COLD FRONT FORECAST TO MOVE ACROSS THE GULF OF MEXICO.
THIS COLD FRONT WILL MOVE ACROSS THE YUCATAN CHANNEL AND THE NW
CARIBBEAN SUN NIGHT AND REACH FROM WINDWARD PASSAGE TO SE
NICARAGUA TUE MORNING.

NW CARIBBEAN W OF 85W

.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...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.SAT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.SAT NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.SUN...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.SUN NIGHT...S WINDS 10 TO 15 KT...SHIFTING TO W 10 TO 20 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
.MON...NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.MON NIGHT...NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE...NW 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...INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI...E WINDS 10 TO 15 KT. S OF 18N...SEAS 3 TO 5 FT.
ELSEWHERE,
SEAS 3 FT IN THE MORNING...SUBSIDING TO 2 FT OR LESS.
.FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.SAT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.SUN...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON...SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.MON NIGHT...W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TUE...NW WINDS 10 TO 15 KT...SHIFTING TO N IN THE AFTERNOON.
SEAS 4 TO 6 FT.
.TUE NIGHT...N WINDS LESS THAN 10 KT...SHIFTING TO NE AFTER
MIDNIGHT. SEAS 3 TO 5 FT.

CARIBBEAN FROM 11N TO 15N W OF 72W

.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 4 TO 6 FT.
.SAT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT.
.MON...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 FT.
.MON NIGHT...S WINDS LESS THAN 10 KT...SHIFTING TO N AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
.TUE...N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.TUE NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.

SW CARIBBEAN S OF 11N

.TONIGHT...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.FRI...NE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 5 TO 7 FT.
.FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SAT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.SUN...NE WINDS LESS THAN 10 KT. SEAS 3 FT.
.SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT.
.MON...E WINDS LESS THAN 10 KT IN THE MORNING...BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.MON NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.TUE...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.TUE NIGHT...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS...
BUILDING TO 3 FT AFTER MIDNIGHT.

CARIBBEAN BETWEEN 64W AND 72W

.TONIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI...GULF OF VENEZUELA...NE WINDS 10 TO 20 KT. ELSEWHERE...NE
WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT.
.FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 FT.
.SAT...GULF OF VENEZUELA...NE WINDS 10 TO 15 KT. ELSEWHERE...NE
WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE
AFTERNOON. SEAS 3 FT.
.SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 FT.
.SUN...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 FT.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT.
.MON...E WINDS 10 TO 15 KT...SHIFTING TO SE IN THE AFTERNOON.
SEAS 3 TO 4 FT.
.MON NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
.TUE NIGHT...E WINDS LESS THAN 10 KT...SHIFTING TO NE AFTER
MIDNIGHT. SEAS 3 TO 4 FT.

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

.TONIGHT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.FRI...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SAT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SUN...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
.MON...E WINDS 10 TO 15 KT...SHIFTING TO SE IN THE AFTERNOON.
SEAS 5 TO 7 FT.
.MON NIGHT...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 10 TO 15 KT...DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT.

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

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

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A COLD FRONT IS MOVING QUICKLY SE ACROSS THE NE
WATERS...EXTENDING FROM 25N60W TO 24N67W TO 27N76W. THE FRONT
WILL CONTINUE MOVING E-SE ACROSS THE AREA THROUGH LATE FRI AND
GRADUALLY DISSIPATE ACROSS THE WATERS N OF THE LEEWARD ISLANDS
OVER THE WEEKEND. FRESH TO STRONG WINDS AND BUILDING SEAS IN NW
SWELL WILL FOLLOW THE FRONT AS IT MOVES SE ACROSS THE EASTERN
ZONES FRI THROUGH SAT. THE NEXT STRONG COLD FRONT WILL MOVE INTO
NW WATERS SUN NIGHT...AND REACH FROM 31N71W TO SE BAHAMAS BY MON
EVENING. THIS FRONT WILL BE ACCOMPANIED BY A LARGE AREA OF GALE
FORCE WINDS BOTH EAST AND WEST OF FRONT.

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

...GALE CONDITIONS POSSIBLE...

.TONIGHT...SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.FRI...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT...SW WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
.SAT NIGHT...S WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
.SUN...SW WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.
.SUN NIGHT...SW WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.MON...W WINDS 25 TO 35 KT. SEAS 10 TO 15 FT.
.MON NIGHT...W WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.
.TUE...NW WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.TUE NIGHT...W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

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

...GALE CONDITIONS POSSIBLE...

.TONIGHT...N WINDS 10 TO 15 KT W OF 70W...AND NW 15 TO 25 KT
ELSEWHERE. SEAS 6 TO 9 FT W OF 70W...AND 8 TO 13 FT ELSEWHERE.
.FRI...W WINDS LESS THAN 10 KT W OF 70W...AND NW 10 TO 15 KT
ELSEWHERE. SEAS 6 TO 8 FT.
.FRI NIGHT...W OF 70W...W WINDS LESS THAN 10 KT...INCREASING TO
10 TO 15 KT AFTER MIDNIGHT. ELSEWHERE...NW WINDS 10 TO 15 KT.
SEAS 5 TO 7 FT.
.SAT...W WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.SAT NIGHT...SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.SUN...SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.SUN NIGHT...S WINDS 20 TO 30 KT. SEAS 7 TO 10 FT... BUILDING TO
8 TO 13 FT AFTER MIDNIGHT.
.MON...SW WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.MON NIGHT...SW WINDS 20 TO 25 KT. SEAS 9 TO 14 FT.
.TUE...W WINDS 15 TO 25 KT. SEAS 10 TO 13 FT.
.TUE NIGHT...NW WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.

BAHAMAS N OF 22N

.TONIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING...
SUBSIDING TO 2 FT OR LESS.
.FRI...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.FRI NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SAT...SE WINDS 10 TO 15 KT. SEAS 3 FT.
.SAT NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 FT.
.SUN...S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...S WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
.MON...SW WINDS 20 TO 30 KT. SEAS 6 TO 8 FT.
.MON NIGHT...W WINDS 20 TO 30 KT. SEAS 6 TO 8 FT.
.TUE...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.TUE NIGHT...NW WINDS 10 TO 15 KT...SHIFTING TO N AFTER
MIDNIGHT. SEAS 3 TO 5 FT.

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

.TONIGHT...NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.FRI...NW WINDS LESS THAN 10 KT W OF 70W...AND NW 10 TO 15 KT
ELSEWHERE. SEAS 5 TO 7 FT.
.FRI NIGHT...N WINDS LESS THAN 10 KT W OF 70W...AND N 10 TO
15 KT ELSEWHERE. SEAS 5 TO 7 FT.
.SAT...W OF 70W...NE WINDS LESS THAN 10 KT...SHIFTING TO SE IN
THE AFTERNOON. ELSEWHERE...N WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SUN...SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.SUN NIGHT...S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.MON...S WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.MON NIGHT...SW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.TUE...W WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.TUE NIGHT...NW WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.

ATLC WATERS S OF 22N W OF 65W

.TONIGHT...N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.FRI...N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.FRI NIGHT...N WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
.SAT...NE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
.SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SUN...E WINDS 10 TO 15 KT...SHIFTING TO SE IN THE AFTERNOON.
SEAS 3 TO 5 FT.
.SUN NIGHT...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO
15 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.
.MON...S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...S WINDS 10 TO 20 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 4 TO 6 FT.

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

.TONIGHT...SW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.FRI...SW WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
.FRI NIGHT...NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
.SAT...W WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
.SAT NIGHT...NW WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
.SUN...VARIABLE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
.SUN NIGHT...SE WINDS LESS THAN 10 KT. SEAS 6 TO 7 FT.
.MON...SE WINDS 10 KT. SEAS 6 TO 7 FT.
.MON NIGHT...SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
.TUE...S WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
.TUE NIGHT...S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.


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