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000
FZNT31 KNHC 110904
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
404 AM EST SUN DEC 11 2016

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 STATIONARY FRONT FROM WESTERN CUBA SW TO ACROSS THE NORTHERN YUCATAN PENINSULA WILL DISSIPATE BY THIS EVENING. A SURFACE TROUGH EXTENDING FROM JUST SW OF JAMAICA TO LOW PRES OVER THE SW CARIBBEAN WILL MOVE ACROSS THE WESTERN CARIBBEAN THROUGH MON NIGHT AS ATLC HIGH PRES SHIFTS EASTWARD. THE PRESSURE GRADIENT BETWEEN THE HIGH AND THE THROUGH WILL RESULT IN AN EXPANDING AREA OF FRESH TO STRONG NE TO E TRADES OVER THE CENTRAL AND WESTERN CARIBBEAN THROUGH MON. A TIGHTENING PRESSURE GRADIENT OVER THE CENTRAL ATLC WILL ALSO BRING AN INCREASE TO THE NE TO E TRADES ACROSS THE TROPICAL N ATLC WILL BEGINNING THIS AFTERNOON AND CONTINUING THROUGH TUE. THESE WINDS ARE THEN EXPECTED TO DIMINISH WED THROUGH THU NIGHT.

NW CARIBBEAN W OF 85W


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

CARIBBEAN N OF 15N BETWEEN 72W AND 85W


.TODAY...E WINDS 15 TO 25 KT S OF 18N...AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT S OF 18N...AND 4 TO 6 FT ELSEWHERE.
.TONIGHT...E WINDS 15 TO 25 KT S OF 18N...AND E 10 TO 15 KT ELSEWHERE. SEAS 7 TO 10 FT S OF 18N...AND 4 TO 6 FT ELSEWHERE.
.MON...E WINDS 15 TO 25 KT S OF 18N...AND E 10 TO 15 KT ELSEWHERE. SEAS 7 TO 10 FT S OF 18N...AND 4 TO 6 FT ELSEWHERE.
.MON NIGHT...S OF 18N...E WINDS 10 TO 20 KT. ELSEWHERE...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT AFTER MIDNIGHT. SEAS 6 TO 9 FT S OF 18N...AND 3 TO 5 FT ELSEWHERE.
.TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.WED NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
.THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

CARIBBEAN FROM 11N TO 15N W OF 72W


.TODAY...E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
.TONIGHT...E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
.MON...E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
.MON NIGHT...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.TUE...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.THU...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.THU NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.

SW CARIBBEAN S OF 11N


.TODAY...S WINDS 10 TO 15 KT...SHIFTING TO W IN THE AFTERNOON. SEAS 6 TO 9 FT.
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
.MON...SE WINDS 10 TO 15 KT...SHIFTING TO E IN THE AFTERNOON. SEAS 6 TO 9 FT.
.MON NIGHT...NE WINDS LESS THAN 10 KT...SHIFTING TO E AFTER MIDNIGHT. SEAS 6 TO 8 FT.
.TUE...SE WINDS LESS THAN 10 KT...SHIFTING TO NW IN THE AFTERNOON. SEAS 6 TO 8 FT.
.TUE NIGHT...N WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT.
.WED...NE WINDS 10 TO 15 KT...SHIFTING TO N IN THE AFTERNOON. SEAS 5 TO 7 FT.
.WED NIGHT...N WINDS LESS THAN 10 KT...SHIFTING TO NE AFTER MIDNIGHT. SEAS 4 TO 6 FT.
.THU...NE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.
.THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

CARIBBEAN BETWEEN 64W AND 72W


.TODAY...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TONIGHT...E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT GULF OF VENEZUELA...AND 6 TO 9 FT ELSEWHERE.
.MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT GULF OF VENEZUELA... AND 6 TO 9 FT ELSEWHERE.
.MON NIGHT...E WINDS 15 TO 25 KT GULF OF VENEZUELA... AND E 10 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA...AND 6 TO 9 FT ELSEWHERE.
.TUE...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.THU...E WINDS 10 TO 15 KT. SEAS 5 TO 7 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...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TONIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.MON NIGHT...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
.TUE...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
.TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.WED...E WINDS 10 TO 20 KT. SEAS 6 TO 9 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 15 KT. SEAS 6 TO 8 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 9 FT.
.TONIGHT...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 6 TO 9 FT.
.WED NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.THU...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.THU NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS


.SYNOPSIS...A STATIONARY FRONT EXTENDING FROM NEAR 25N65W TO THE CENTRAL BAHAMAS AND TO THE STRAITS OF FLORIDA WILL BECOME DIFFUSE BY THIS EVENING. STRONG HIGH PRES N OF THE FRONT WILL CONTINUE TO SLIDE EASTWARD...AND REACH THE EASTERN PORTION OF THE AREA BY TUE. A TIGHTENING GRADIENT S OF THE HIGH WILL ALLOW FOR E TO SE WINDS E OF THE BAHAMAS TO INCREASE TODAY THROUGH EARLY ON MON ALONG WITH BUILDING SEAS. THESE CONDITIONS THEN DECREASE LATER ON MON AS THE HIGH WEAKENS WHILE SHIFTING E OF THE AREA...AND AS A COLD FRONT APPROACHES THE SE UNITED STATES. THIS FRONT IS EXPECTED TO MOVE OVER THE FAR NORTHERN WATERS MON THROUGH TUE NIGHT. A STRONGER COLD FRONT IS EXPECTED TO MOVE INTO THE FAR NW WATERS ON LATE WED NIGHT...AND REACH THE EASTERN PORTION LATE ON THU.

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


.TODAY...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
.TONIGHT...SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.MON...SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.MON NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.TUE...VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
.TUE NIGHT...VARIABLE WINDS LESS THAN 10 KT...BECOMING S 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
.WED...SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
.WED NIGHT...SW WINDS LESS THAN 10 KT...INCREASING TO 10 TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT.
.THU...NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.

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


.TODAY...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TONIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.MON...SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.MON NIGHT...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
.TUE...SW WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
.TUE NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
.WED...SW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
.WED NIGHT...SW WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT.
.THU...W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.THU NIGHT...N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.

BAHAMAS N OF 22N


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

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


.TODAY...E WINDS 15 TO 25 KT. SEAS 7 TO 9 FT.
.TONIGHT...E WINDS 15 TO 25 KT. SEAS 7 TO 9 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.
.MON NIGHT...SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE...SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 5 TO 7 FT.
.WED NIGHT...SE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
.THU...S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
.THU NIGHT...VARIABLE WINDS LESS THAN 10 KT...BECOMING NE LESS THAN 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT.

ATLC WATERS S OF 22N W OF 65W


.TODAY...E WINDS 10 TO 20 KT...EXCEPT 20 TO 30 KT W OF 75W DIMINISHING TO 15 TO 25 KT IN THE AFTERNOON. SEAS 5 TO 7 FT...EXCEPT 7 TO 10 FT W OF 75W.
.TONIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.MON...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.MON NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
.TUE...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
.TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
.WED NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 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.

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


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

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