000 FZNT31 KNHC 221511 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1111 AM EDT WED MAR 22 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...STRONG NOCTURNAL TRADE WINDS ARE EXPECTED ALONG THE NW COAST OF COLOMBIA THROUGH FRI EVENING. STRONG NE WINDS WILL PREVAIL ACROSS THE NW AND N CENTRAL CARIBBEAN FROM THU EVENING THROUGH LATE SAT NIGHT AS STRONG HIGH PRES SHIFTS INTO THE W ATLC. MODERATE N-NW SWELL WILL DOMINATE SEAS ACROSS TROPICAL N ATLC WATERS AND NE CARIBBEAN PASSAGES THROUGH THU...AND AGAIN SAT THROUGH SUN. NW CARIBBEAN W OF 85W .THIS AFTERNOON...NE WINDS 10 TO 15 KT. SEAS 3 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .THU...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .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 15 KT. SEAS 3 TO 4 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .THIS AFTERNOON...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .THU...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. CARIBBEAN FROM 11N TO 15N W OF 72W .THIS AFTERNOON...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SW CARIBBEAN S OF 11N .THIS AFTERNOON...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU NIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .SUN...NE WINDS 10 TO 15 KT...SHIFTING TO N IN THE AFTERNOON. SEAS 4 TO 5 FT. .SUN NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. CARIBBEAN BETWEEN 64W AND 72W .THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI...E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .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 15 KT. SEAS 3 TO 5 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .THIS AFTERNOON...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...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...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .SUN 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 .THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...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...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...OLD FRONTAL BOUNDARY FROM WINDWARD PASSAGE TO NEAR 22N65W WILL DRIFT N AS WARM FRONT THROUGH TONIGHT. A COLD FRONT JUST NW OF THE AREA THIS MORNING WILL MOVE SE AND REACH FROM BERMUDA TO CENTRAL FLORIDA TONIGHT...THEN WASH OUT ALONG 25N ON THU. STRONG TO NEAR GALE FORCE POST FRONTAL NE TO E WINDS AND N SWELL WILL SPREAD SE ACROSS THE ENTIRE AREA THU THROUGH SAT AND BEGIN TO DIMINISH LATE SAT AND SUN. ATLC WATERS FROM 27N TO 31N W OF 77W .THIS AFTERNOON...W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .THU...NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT... BUILDING TO 10 TO 11 FT IN THE AFTERNOON. .THU NIGHT...E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. .FRI...E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. .FRI NIGHT...E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT. .SAT...E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT. .SAT NIGHT...E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. .SUN...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .THIS AFTERNOON...SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...W WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .THU...NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT W OF 70W...AND 6 TO 9 FT ELSEWHERE. .THU NIGHT...NE WINDS 15 TO 25 KT. SEAS 9 TO 12 FT. .FRI...NE WINDS 15 TO 25 KT. SEAS 8 TO 13 FT. .FRI NIGHT...E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 10 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. BAHAMAS N OF 22N .THIS AFTERNOON...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .FRI...NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .FRI NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SAT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 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. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .THIS AFTERNOON...E WINDS LESS THAN 10 KT W OF 70W...AND E 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT. .TONIGHT...W OF 70W...NE WINDS LESS THAN 10 KT...SHIFTING TO N AFTER MIDNIGHT. ELSEWHERE...E WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT. .THU...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .THU NIGHT...NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. .FRI...NE WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. .FRI NIGHT...NE WINDS 20 TO 30 KT. SEAS 11 TO 15 FT. .SAT...E WINDS 20 TO 25 KT. SEAS 10 TO 14 FT. .SAT NIGHT...E WINDS 15 TO 25 KT. SEAS 10 TO 13 FT. .SUN...E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT. .SUN NIGHT...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. ATLC WATERS S OF 22N W OF 65W .THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .THU...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .THU NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI...NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .FRI NIGHT...NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. .SAT...E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .THIS AFTERNOON...SE WINDS 10 TO 15 KT. SEAS 7 TO 8 FT. .TONIGHT...SE WINDS 10 TO 20 KT. SEAS 7 TO 8 FT. .THU...SE WINDS 10 TO 20 KT. SEAS 7 TO 8 FT. .THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT. .SUN...SE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT. .SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.