000 FZNT31 KNHC 110855 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 455 AM EDT THU OCT 11 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...WIND PATTERN CHANGING QUICKLY AS 1007 MB LOW PRES CENTER...POSSIBLE TROPICAL CYCLONE...ENTERS TROPICAL N ATLC WITH STRONG WINDS AND NEAR TROPICAL STORM FORCE GUSTS TODAY. STRONG NE WINDS E OF 65W EXPECTED TO SPREAD NE THROUGH MON AS PER LOW PRES CENTER TRACK. SECOND LOW PRES CENTER 1009 MB JUST E OF CENTRAL BAHAMAS INCREASE WINDS OVER NW CARIBBEAN TODAY AND TONIGHT THEN DRIFT IN NE THROUGH SAT. NW CARIBBEAN W OF 85W .TODAY...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI AND FRI NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT THROUGH MON...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .TODAY...NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .TONIGHT...NE WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 3 TO 5 FT. .FRI AND FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT THROUGH SUN...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON...N TO NW WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. CARIBBEAN FROM 11N TO 15N W OF 70W .TODAY...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI AND FRI NIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SAT THROUGH SUN...NE WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. .MON...VARIABLE WINDS 10 KT OR LESS. SEAS 2 TO 3 FT. SW CARIBBEAN S OF 11N .TODAY...N TO NE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT LATE. SEAS 2 TO 4 FT. .TONIGHT...N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .FRI AND FRI NIGHT...W WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. .SAT THROUGH MON...W TO NW WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. CARIBBEAN BETWEEN 64W AND 72W .TODAY...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI AND FRI NIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SUN THROUGH MON...W 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...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. .TONIGHT...E WINDS 15 TO 25 KT...INCREASING TO 20 TO 30 KT LATE. SEAS 8 TO 13 FT. .FRI AND FRI NIGHT...E TO SE WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. .SAT THROUGH MON...SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...E TO SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .TONIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. .FRI AND FRI NIGHT...SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SAT THROUGH MON...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...SURFACE TROUGH FROM 22N72W TO 1009 MB LOW PRES AT 25N72W TO 29N70W. TROUGH MOVES E THROUGH SAT THEN DISSIPATE SUN. TIGHT GRADIENT BETWEEN LOW PRES AND STRENTHENING HIGH PRES OVER EASTERN CONUS PROMPTS FRESH TO STRONG NE BREEZE W OF TROUGH THROUGH SUN. HIGH PRES MOVES E AND DIMINISH WINDS TO A MODERATE BREEZE BY SUN. WINDS DECREASE ON MON...EXCEPT OVER FAR SE PART WHERE FRESH NE WINDS AS LOW PRES OVER TROPICAL N ATLC APPROACHES. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...N TO NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS 15 TO 20 KT...BECOMING N TO NE 10 TO 20 KT LATE. SEAS 5 TO 7 FT. .FRI AND FRI NIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SAT THROUGH SUN...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .MON...NE TO E WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...E OF 70W...SE TO S WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT LATE. W OF 70W...N TO NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...NE TO E WINDS 10 TO 20 KT...BECOMING E 10 TO 15 KT LATE. SEAS 5 TO 7 FT. .FRI AND FRI NIGHT...N TO NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .SAT THROUGH MON...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. BAHAMAS N OF 22N .TODAY...N TO NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI AND FRI NIGHT...NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. .SAT THROUGH MON...NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI...SE WINDS 10 TO 15 KT...BECOMING SE TO S LATE. SEAS 5 TO 6 FT E OF 70W...AND TO 8 FT W OF 70W. .FRI NIGHT...E OF 70W...E TO SE WINDS LESS THAN 10 KT. W OF 70W...NE TO E WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 5 TO 7 FT. .SAT THROUGH SUN...NE TO E WINDS 15 TO 25 KT. SEAS 8 TO 13 FT. .MON...NE WINDS 20 TO 30 KT. SEAS 12 TO 17 FT. ATLC WATERS S OF 22N W OF 65W .TODAY...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI AND FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN THROUGH MON...NW WINDS 10 TO 20 KT. SEAS 8 TO 13 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .TONIGHT...E WINDS 10 TO 20 KT...BECOMING SE 15 TO 20 KT LATE. SEAS 6 TO 9 FT. .FRI AND FRI NIGHT...E WINDS 15 TO 25 KT. SEAS 8 TO 13 FT. .SAT THROUGH MON...SE WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.