000 FZNT31 KNHC 210912 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 412 AM EST WED NOV 21 2012 MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 64W...THE SW N ATLC 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...GENTLE TO MODERATE TRADES WILL PREVAIL OVER MUCH OF CARIBBEAN THROUGH THU. HIGH PRES BUILDING SE FROM THE GULF OF MEXICO THROUGH FRI WILL MAINTAIN A TIGHTER PRES GRADIENT OVER MUCH OF THE WESTERN CARIBBEAN. WEAK TROUGHS WILL MOVE SE INTO THE TROPICAL N ATLC WATERS N OF THE LEEWARD ISLANDS LATE THU THROUGH SUN. NW CARIBBEAN W OF 85W .TODAY...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .THU AND THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI THROUGH SUN...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .TODAY...N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .THU AND THU NIGHT...N TO NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI THROUGH SUN...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. CARIBBEAN FROM 11N TO 15N W OF 70W .TODAY...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU AND THU NIGHT...N TO NE WINDS 10 TO 15 KT.EXCEPT NE LESS THAN 10 KT WITHIN 90 NM OF COAST OF COLOMBIA. SEAS 4 TO 6 FT. .FRI THROUGH SUN...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW CARIBBEAN S OF 11N .TODAY...N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. CARIBBEAN BETWEEN 64W AND 72W .TODAY...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .THU AND THU NIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .FRI THROUGH SUN...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .TODAY...SE TO S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...E TO SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...E TO SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI...E TO SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SAT THROUGH SUN...NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...E TO SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI THROUGH SUN...NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A COLD FRONT ALONG 30N BETWEEN 67W AND 76W WILL RAPIDLY MOVE SE...AND REACH FROM 31N74W TO CENTRAL BAHAMAS TO SE FLORIDA TONIGHT...FROM 31N71W TO CENTRAL CUBA THU MORNING AND THE SE WATERS FRI WHERE IT BEGINS TO WEAKEN. A WEAK SURFACE TROUGH OVER THE FAR SE PORTION WILL SLOWLY MOVE E OF THE AREA FRI. ANOTHER COLD FRONT WILL ENTER THE NW WATERS SAT MORNING...AND REACH FROM 28N65W TO CENTRAL CUBA ON SUN. HIGH PRES WILL BUILD ACROSS THE AREA BEHIND THE FRONT. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...N WINDS 15 TO 20 KT. SEAS 8 TO 9 FT. .TONIGHT...N WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. .THU AND THU NIGHT...N WINDS 15 TO 25 KT. SEAS 10 TO 14 FT. .FRI THROUGH SAT...NW TO N WINDS 10 TO 20 KT. SEAS 8 TO 11 FT. .SUN...NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...NW TO N WINDS LESS THAN 10 KT E OF 70W...AND N 10 TO 15 KT W OF 70W. SEAS 6 TO 9 FT. .TONIGHT...E OF 70W...NW WINDS LESS THAN 10 KT LATE... BECOMING VARIABLE WINDS LESS THAN 10 KT. W OF 70W...N WINDS 10 TO 15 KT...BECOMING NW 10 TO 20 KT LATE. SEAS 7 TO 10 FT. .THU AND THU NIGHT...NW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT E OF 70W...AND 10 TO 15 FT W OF 70W. .FRI THROUGH SAT...W TO NW WINDS 15 TO 25 KT. SEAS 8 TO 13 FT. .SUN...N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. BAHAMAS N OF 22N .TODAY...NW TO N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...NW TO N WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 4 TO 6 FT. .THU AND THU NIGHT...N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI THROUGH SAT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...E OF 70W...W WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. W OF 70W...W TO NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .TONIGHT...E OF 70W...W WINDS LESS THAN 10 KT...BECOMING SW TO W LATE. W OF 70W...W TO NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .THU AND THU NIGHT...W TO NW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. .FRI THROUGH SAT...NW WINDS 10 TO 20 KT. SEAS 8 TO 11 FT. .SUN...N TO NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. ATLC WATERS S OF 22N W OF 65W .TODAY...NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...W TO NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...W TO NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI...NW TO N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT THROUGH SUN...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...S TO SW WINDS 10 KT. SEAS 4 TO 5 FT. .TONIGHT...S TO SW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. .THU AND THU NIGHT...S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .FRI...SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT THROUGH SUN...N TO NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.