000 FZNT31 KNHC 310210 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1010 PM EDT THU MAR 30 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...A WEAKENING STATIONARY FRONT EXTENDS FROM 19N55W SW ACROSS THE CENTRAL LEEWARD ISLANDS TO 15N67W AND WILL GRADUALLY DISSIPATE THROUGH FRI MORNING. HIGH PRES IS BUILDING SSE ACROSS THE SW N ATLC BEHIND A COLD FRONT AND WILL SUPPORT MAINLY MODERATE TO FRESH WINDS ACROSS MOST OF THE CARIBBEAN WATERS...EXCEPT FOR STRONG WINDS DEVELOPING AT NIGHT ALONG THE COAST OF COLOMBIA AND ACROSS THE GULF OF HONDURAS. NORTHERLY SWELL MOVING THROUGH THE TROPICAL N ATLC WILL FADE FRI WITH ANOTHER LARGER NORTHERLY SWELL INVADING SAT THROUGH MON. NW CARIBBEAN W OF 85W .OVERNIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN NIGHT...SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .MON...SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .MON NIGHT...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TUE...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TUE NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT...S OF 18N...E WINDS 10 TO 15 KT. ELSEWHERE...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT S OF 18N...AND 3 TO 4 FT ELSEWHERE. .SAT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT S OF 18N...AND 3 FT ELSEWHERE. .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 20 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TUE...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. CARIBBEAN FROM 11N TO 15N W OF 72W .OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .SUN NIGHT...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 15 TO 25 KT. SEAS 6 TO 8 FT. .TUE...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .TUE NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. SW CARIBBEAN S OF 11N .OVERNIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SUN...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON NIGHT...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. .TUE...E WINDS 10 TO 15 KT...SHIFTING TO NE IN THE AFTERNOON. SEAS 4 TO 6 FT. .TUE NIGHT...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. CARIBBEAN BETWEEN 64W AND 72W .OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI NIGHT...E WINDS 15 TO 25 KT GULF OF VENEZUELA... AND E 10 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .MON...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TUE NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .OVERNIGHT...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. .MON...E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TUE NIGHT...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 .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .MON...E WINDS 10 TO 15 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 20 KT. SEAS 5 TO 7 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...WEAK HIGH PRES E OF THE BAHAMAS WILL SHIFT ESE TONIGHT AS A COLD FRONT SINKS SSE ACROSS NE WATERS. THE FRONTAL PORTION E OF 70W WILL CONTINUE AS A COLD FRONT EXITING THE AREA LATE TONIGHT WHILE THE PORTION W OF 70W WILL DRIFT BACK TO THE N AS A WARM FRONT THROUGH FRI. A SECOND COLD FRONT WILL EMERGE OUT OVER THE FAR NW WATERS FRI NIGHT AND MOVE ACROSS THE NORTH- CENTRAL WATERS SAT AND ACROSS THE NE WATERS SAT NIGHT. THIS FRONT WILL BE PRECEDED BY FRESH TO STRONG WINDS THROUGH THE WEEKEND. HIGH PRES WILL THEN SLIDE EASTWARD AS DEEPENING LOW PRES TRACKS NE OVER THE SE CONUS. A TIGHT PRES GRADIENT BETWEEN THESE TWO FEATURES WILL SUPPORT STRONG TO NEAR GALE FORCE WINDS AND BUILDING SEAS ACROSS THE NW WATERS MON. LARGE N TO NE SWELL WILL DOMINATE SEAS E OF 70W LATE FRI THROUGH SUN. ATLC WATERS FROM 27N TO 31N W OF 77W .OVERNIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...S WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .FRI NIGHT...SW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SAT...NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SUN...VARIABLE WINDS LESS THAN 10 KT...BECOMING E 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .MON NIGHT...S WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .TUE...SW WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .TUE NIGHT...SW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .FRI...S WINDS 10 TO 20 KT W OF 70W...AND SE LESS THAN 10 KT ELSEWHERE. SEAS 6 TO 8 FT. .FRI NIGHT...W OF 70W...S WINDS 10 TO 20 KT. ELSEWHERE...SE WINDS LESS THAN 10 KT...SHIFTING TO S AFTER MIDNIGHT. SEAS 6 TO 9 FT. .SAT...SW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SAT NIGHT...W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SUN...NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .SUN NIGHT...N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .MON...E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. .MON NIGHT...SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .TUE...S WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .TUE NIGHT...S WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. BAHAMAS N OF 22N .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SUN...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. .MON...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TUE...S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TUE NIGHT...SE WINDS 10 TO 15 KT...SHIFTING TO S AFTER MIDNIGHT. SEAS 3 TO 5 FT. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .OVERNIGHT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .FRI...W OF 70W...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE...SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. .FRI NIGHT...SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. .SAT...S WINDS 10 KT. SEAS 6 TO 9 FT. .SAT NIGHT...SW WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT. .SUN...W WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT. .SUN NIGHT...NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. .MON...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TUE...SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT. .TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. ATLC WATERS S OF 22N W OF 65W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .SAT NIGHT...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. .SUN...E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. .SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .OVERNIGHT...NE WINDS 10 KT. SEAS 6 TO 8 FT. .FRI...NE WINDS 10 KT. SEAS 5 TO 7 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .SAT...E WINDS 10 KT. SEAS 7 TO 10 FT. .SAT NIGHT...E WINDS 10 KT. SEAS 8 TO 11 FT. .SUN...E WINDS LESS THAN 10 KT. SEAS 8 TO 11 FT. .SUN NIGHT...NE WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT. .MON...NE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT. .MON NIGHT...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.