Offshore Forecast
Issued by NWS

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182
FZNT31 KNHC 260155
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
855 PM EST SAT FEB 25 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...TRADE WINDS WILL BEGIN TO INCREASE ACROSS THE BASIN
OVERNIGHT AS HIGH PRES STARTS TO BUILD N OF THE AREA. STRONG
NOCTURNAL FLOW HAS DEVELOPED NEAR THE COAST OF COLOMBIA TONIGHT.
THESE WINDS WILL INCREASE TO NEAR GALE FORCE SUN
NIGHT...EXTENDING NORTHWARD AND ACROSS THE CENTRAL CARIBBEAN MON
NIGHT THROUGH THU NIGHT. GALE FORCE WINDS ARE EXPECTED TO
DEVELOP AT NIGHT OFF THE COAST OF COLOMBIA MON THROUGH THU.

NW CARIBBEAN W OF 85W

.TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.SUN...E WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING...SUBSIDING
TO 2 FT OR LESS.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.TUE...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
.WED...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 4 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.

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.TONIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
.SUN...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS...BUILDING TO
3 FT IN THE AFTERNOON.
.SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.THU NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.

CARIBBEAN FROM 11N TO 15N W OF 72W

...GALE WARNING...

.TONIGHT...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...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.MON...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.MON NIGHT...NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.TUE...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.TUE NIGHT...NE TO E WINDS 30 TO 35 KT S OF 12N BETWEEN 73W AND
76W...E WINDS 20 TO 30 KT ELSEWHERE. SEAS 8 TO 11 FT.
.WED...E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.WED NIGHT...NE TO E WINDS 30 TO 35 KT S OF 12N BETWEEN 73W AND
76W...E WINDS 20 TO 30 KT ELSEWHERE. SEAS 8 TO 11 FT.
.THU...E WINDS 15 TO 25 KT. SEAS 8 TO 13 FT.
.THU NIGHT...NE TO E WINDS 30 TO 35 KT S OF 12N BETWEEN 73W AND
76W...E WINDS 20 TO 30 KT ELSEWHERE. SEAS 8 TO 13 FT.

SW CARIBBEAN S OF 11N

.TONIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.SUN NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.MON...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.MON NIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.TUE...NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.TUE NIGHT...NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.WED...NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
.WED NIGHT...NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.THU...NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.THU NIGHT...NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.

CARIBBEAN BETWEEN 64W AND 72W

.TONIGHT...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 20 KT. SEAS 4 TO 5 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.WED NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
.THU NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.

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

.TONIGHT...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 6 TO 8 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.TUE...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.THU NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.

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

.TONIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.SUN...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE...NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE NIGHT...NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.WED...NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
.THU NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A SURFACE TROUGH EXTENDS ALONG 31N65W TO 24N72W WITH
ISOLATED SHOWERS. A WEAK COLD FRONT WILL MOVE INTO NW WATERS
TONIGHT...REACHING FROM 31N94W TO CENTRAL FLORIDA SUN NIGHT THEN
MOVING N OF THE FORECAST AREA MON NIGHT. A RIDGE WILL DOMINATE
THE SW N ATLC WATERS AFTERWARDS PREVAILING THROUGH WED. FRESH TO
STRONG WINDS ARE EXPECTED BRIEFLY N OF 30N WED NIGHT THROUGH THU
ASSOCIATED WITH A SECOND COLD FRONT TO ENTER NW WATERS THU
AFTERNOON.

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

.TONIGHT...W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.SUN...N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.TUE...SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.WED...S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.WED NIGHT...S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU...SW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
.THU NIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.

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

.TONIGHT...W OF 70W...W WINDS LESS THAN 10 KT...INCREASING TO
10 TO 15 KT AFTER MIDNIGHT. ELSEWHERE...SW WINDS 10 TO 15 KT.
SEAS 5 TO 7 FT.
.SUN...NW WINDS 10 TO 15 KT W OF 70W...AND W LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT.
.SUN NIGHT...W OF 70W...NE WINDS 10 TO 20 KT. ELSEWHERE...N
WINDS LESS THAN 10 KT...SHIFTING TO NE AFTER MIDNIGHT. SEAS 4 TO
6 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
.TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
.TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.WED NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.THU NIGHT...SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.

BAHAMAS N OF 22N

.TONIGHT...VARIABLE WINDS LESS THAN 10 KT...BECOMING E LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 FT.
.SUN...E WINDS LESS THAN 10 KT. SEAS 3 FT.
.SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.TUE...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.WED NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.THU...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
.THU NIGHT...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO
15 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.

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

.TONIGHT...SW WINDS LESS THAN 10 KT IN THE EVENING...BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.SUN...E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
.SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT.
.TUE...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.WED...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.WED NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.THU...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.

ATLC WATERS S OF 22N W OF 65W

.TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SUN...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
.SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TUE...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.THU NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.

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

.TONIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.SUN...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.SUN NIGHT...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
.MON...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
.MON NIGHT...E WINDS 20 KT. SEAS 6 TO 8 FT.
.TUE...E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.
.TUE NIGHT...E WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.
.WED...E WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.
.WED NIGHT...E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.
.THU...E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.
.THU NIGHT...E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.



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