Offshore Forecast
Issued by NWS

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000
FZNT31 KNHC 230822
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
422 AM EDT THU MAR 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...STRONG NOCTURNAL TRADE WINDS EXPECTED ALONG THE NW
COAST OF COLOMBIA TONIGHT. STRONG NE WINDS WILL DEVELOP ACROSS
THE NW AND N CENTRAL CARIBBEAN TONIGHT AND CONTINUE THROUGH FRI
EVENING. MODERATE N SWELL ACROSS TROPICAL N ATLC WATERS AND NE
CARIBBEAN PASSAGES WILL SUBSIDE TODAY. LARGE N SWELL WILL REACH
THE NORTHERN ATLC PASSAGES ON FRI NIGHT.

NW CARIBBEAN W OF 85W

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

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.TODAY...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.TONIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
.FRI...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.SAT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 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 WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.MON...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.MON NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.

CARIBBEAN FROM 11N TO 15N W OF 72W

.TODAY...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TONIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.FRI...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.SAT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.SUN...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.MON...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.MON NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 FT.

SW CARIBBEAN S OF 11N

.TODAY...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.TONIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.FRI...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.SAT...NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.SAT NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.SUN...NE WINDS 10 TO 15 KT...SHIFTING TO N IN THE AFTERNOON.
SEAS 3 TO 5 FT.
.SUN NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.MON...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.MON NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 FT.

CARIBBEAN BETWEEN 64W AND 72W

.TODAY...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.FRI...E WINDS 10 TO 15 KT. SEAS 4 TO 5 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 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 15 KT. SEAS 3 TO 5 FT.
.MON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.MON NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.

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

.TODAY...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TONIGHT...E 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 15 KT. SEAS 5 TO 7 FT.
.SUN...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.MON...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.MON NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

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

.TODAY...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 8 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 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 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 5 TO 7 FT.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A WARM FRONT EXTENDING FROM 27N65W TO THE SE BAHAMAS
WILL MOVE NW TODAY AND BE ABSORBED BY A COLD FRONT CURRENTLY
ALONG POSITION FROM 31N70W TO 27N89W WITH STRONG TO NEAR GALE
FORCE NORTHEASTERLY WINDS DEVELOPING N OF THE FRONT. THE MERGED
FRONT WILL WEAKEN TO A FRONTAL TROUGH OVER THE TROPICAL WATERS
ON FRI...THEN DRIFT N ON SAT WITH A SURFACE LOW DEVELOPING ALONG
THE TROUGH NEAR 22N69W ON SUN. THE LOW WILL MOVE TO NEAR 24N68W
ON SUN.

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

.TODAY...NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.TONIGHT...E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.FRI...E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.FRI NIGHT...E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT.
.SAT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.SUN...SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
.MON...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.MON NIGHT...SE WINDS 10 KT. SEAS 5 TO 7 FT.

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

.TODAY...NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.TONIGHT...NE WINDS 15 TO 25 KT. SEAS 9 TO 12 FT.
.FRI...E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
.FRI NIGHT...E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
.SAT...E WINDS 15 TO 20 KT. SEAS 8 TO 11 FT.
.SAT NIGHT...E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT.
.SUN...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.SUN NIGHT...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.

BAHAMAS N OF 22N

.TODAY...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.TONIGHT...NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
.FRI...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
.FRI NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.SAT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.SUN...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.SUN NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.MON...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

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

.TODAY...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TONIGHT...NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.FRI...NE WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.FRI NIGHT...E WINDS 20 TO 30 KT. SEAS 11 TO 15 FT.
.SAT...E WINDS 20 TO 25 KT. SEAS 10 TO 14 FT.
.SAT NIGHT...E WINDS 15 TO 25 KT. SEAS 10 TO 14 FT.
.SUN...E WINDS 15 TO 25 KT. SEAS 9 TO 13 FT.
.SUN NIGHT...E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
.MON NIGHT...NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.

ATLC WATERS S OF 22N W OF 65W

.TODAY...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.TONIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.FRI...NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.FRI NIGHT...E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.SAT...E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
.SUN...SE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
.MON...S WINDS LESS THAN 10 KT...SHIFTING TO W IN THE AFTERNOON.
SEAS 5 TO 7 FT.
.MON NIGHT...N WINDS LESS THAN 10 KT...SHIFTING TO E AFTER
MIDNIGHT. SEAS 4 TO 6 FT.

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

.TODAY...SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TONIGHT...SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.FRI...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
.SAT...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
.SUN...SE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
.SUN NIGHT...SE WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.
.MON...SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
.MON NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.



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