000 FZNT31 KNHC 270241 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1041 PM EDT THU APR 26 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...A TROUGH OVER THE SW CARIBBEAN EXTENDING FROM 20N81W TO LOW PRES 1008 MB AT 10N78W WILL TRACK W INTO CENTRAL AMERICA THROUGH SAT. A STRONG PRES GRADIENT BETWEEN THE TROUGH AND RIDGING N OF THE AREA IS RESULTING IN FRESH TO STRONG E FLOW ACROSS THE EASTERN AND CENTRAL CARIBBEAN. THESE WINDS DIMINISH SUN THROUGH TUE AS HIGH PRES WEAKENS. NW CARIBBEAN W OF 85W .OVERNIGHT...NE TO E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. .FRI...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. .FRI NIGHT THROUGH SAT NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN THROUGH TUE...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .OVERNIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. CARIBBEAN FROM 11N TO 15N W OF 70W .OVERNIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .FRI...NE TO E WINDS 15 TO 25 KT...BECOMING E 10 TO 20 KT IN THE AFTERNOON. SEAS 6 TO 9 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SUN THROUGH TUE...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. SW CARIBBEAN S OF 11N .OVERNIGHT...W TO NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .FRI...SW TO W WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. .FRI NIGHT...N WINDS 10 KT...BECOMING S AFTER MIDNIGHT. SEAS 5 TO 7 FT. .SAT...SW TO W WINDS 10 KT. SEAS 5 TO 7 FT. .SAT NIGHT...NE WINDS 10 KT. SEAS 4 TO 6 FT. .SUN THROUGH TUE...N TO NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. CARIBBEAN BETWEEN 64W AND 72W .OVERNIGHT...E WINDS 15 TO 25 KT...DIMINISHING TO 10 TO 20 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT. .FRI...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .OVERNIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI...E WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .OVERNIGHT...NE TO E WINDS 15 TO 25 KT...DIMINISHING TO 10 TO 20 KT AFTER MIDNIGHT. SEAS 5 TO 6 FT. .FRI...NE TO E WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .FRI NIGHT THROUGH SAT NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A RIDGE EXTENDING ALONG 28N WILL LIFT N TO 30N SAT. A WEAK STATIONARY FRONT FROM 22N65W TO 20N70W WILL DISSIPATE OVERNIGHT WITH ITS REMAINS MOVING W THROUGH THE BAHAMAS OVER THE WEEKEND AND TROUGH THE STRAITS OF FLORIDA BY MON. THE RIDGE WILL RETREAT EASTWARD SUN AND MON IN RESPONSE TO A COLD FRONT THAT WILL DROP S INTO THE WATERS BETWEEN N FLORIDA AND BERMUDA. THE FRONT WILL STALL ALONG 29N E OF 70W AND BECOME DIFFUSE BY LATE TUE. ATLC WATERS FROM 27N TO 31N W OF 77W .OVERNIGHT...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT THROUGH SAT NIGHT...SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .OVERNIGHT...SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...S WINDS 10 KT. SEAS 3 TO 5 FT. .FRI NIGHT THROUGH SAT NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN THROUGH TUE...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. BAHAMAS N OF 22N .OVERNIGHT...E WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT THROUGH SAT NIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI NIGHT THROUGH SAT NIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. ATLC WATERS S 0F 22N W OF 65W .OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI...E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. .SUN THROUGH TUE...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.