000 FZNT31 KNHC 210830 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 430 AM EDT TUE APR 21 2015 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...FRESH TO LOCALLY STRONG TRADES WILL DEVELOP EACH NIGHT OFFSHORE OF THE GULF OF HONDURAS AS WELL AS ALONG THE COAST OF COLOMBIA THROUGH THE PERIOD. LONG PERIOD NE SWELL PROPAGATING S ACROSS THE SOUTHERN TROPICAL N ATLC WATERS WILL SUBSIDE TODAY. ANOTHER ROUND OF LONG PERIOD NE SWELL WILL ARRIVE ACROSS THE TROPICAL WATERS E OF THE LEEWARD ISLANDS LATE WED... REACHING NEAR THE E CARIBBEAN PASSAGES ON THU...AND SUBSIDE FROM THE N LATE FRI AND SAT. NW CARIBBEAN W OF 85W .TODAY...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .WED...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .WED NIGHT...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .THU...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU NIGHT...E 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 4 TO 6 FT. .SAT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .TODAY...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT S OF 18N... AND 3 FT ELSEWHERE. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT S OF 18N...AND 3 TO 4 FT ELSEWHERE. .WED...S OF 18N...E WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT LATE. ELSEWHERE...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT LATE. SEAS 5 TO 7 FT S OF 18N...AND 3 TO 4 FT ELSEWHERE. .WED NIGHT...E WINDS 10 TO 15 KT S OF 18N...AND E LESS THAN 10 KT ELSEWHERE. SEAS 4 TO 6 FT S OF 18N...AND 3 FT ELSEWHERE. .THU...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. CARIBBEAN FROM 11N TO 15N W OF 72W .TODAY...E WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. .TONIGHT...NE TO E WINDS 20 TO 25 KT WITHIN 240 NM OF COAST OF COLOMBIA...AND NE TO E 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT. .WED...NE TO E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA...AND E 15 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT. .WED NIGHT...WITHIN 240 NM OF COAST OF COLOMBIA...NE TO E WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. ELSEWHERE...NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT. .THU...NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. .THU NIGHT...WITHIN 180 NM OF COAST OF COLOMBIA...NE TO E WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. ELSEWHERE...NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT. .FRI...NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. .FRI NIGHT...WITHIN 120 NM OF COAST OF COLOMBIA...NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. ELSEWHERE...NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 8 FT. .SAT...NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. .SAT NIGHT...WITHIN 120 NM OF COAST OF COLOMBIA...NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. ELSEWHERE...NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 8 FT. SW CARIBBEAN S OF 11N .TODAY...N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT LATE. SEAS 4 TO 6 FT. .WED...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .WED NIGHT...NE WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 5 TO 7 FT. .THU...NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .THU NIGHT...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. CARIBBEAN BETWEEN 64W AND 72W .TODAY...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .WED NIGHT...E WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 3 TO 5 FT. .THU...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...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 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT NIGHT...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...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI NIGHT...E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. .SAT...SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .WED...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .WED NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A COLD FRONT MOVING OFF THE N FLORIDA COAST EARLY THIS MORNING WILL EXTEND FROM BERMUDA TO CENTRAL FLORIDA TONIGHT...THEN STALL FROM 31N55W TO 25N70W ON WED...AND DISSIPATE THROUGH THU. A SECOND COLD FRONT WILL OFF THE NE FLORIDA COAST LATE THU...EXTEND FROM BERMUDA TO THE CENTRAL BAHAMAS LATE FRI...AND STALL AND DISSIPATE ALONG 26N ON SAT. SOUTHERLY WINDS WILL INCREASE ACROSS THE NW WATERS FRI NIGHT AHEAD OF A THIRD COLD FRONT MOVING OFF THE NE FLORIDA COAST ON SAT LATE AND REACHING FROM BERMUDA TO THE NW BAHAMAS EARLY SUN. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .WED...N WINDS 10 KT EARLY...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT. .WED NIGHT...S WINDS LESS THAN 10 KT. SEAS 3 FT. .THU...SW WINDS 10 KT. SEAS 3 FT. .THU NIGHT...W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI...N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .SAT...SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT NIGHT...W WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED...NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .WED NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .THU...S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .THU NIGHT...SW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. .FRI...W WINDS 10 KT. SEAS 4 FT. .FRI NIGHT...N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT NIGHT...SW WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. BAHAMAS N OF 22N .TODAY...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .WED...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .WED NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .THU...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .THU NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...S WINDS 10 KT. SEAS 3 TO 4 FT. .TONIGHT...W OF 70W...SW WINDS LESS THAN 10 KT LATE. BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE...S WINDS 10 KT. SEAS 3 TO 4 FT. .WED...S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .WED NIGHT...E WINDS LESS THAN 10 KT EARLY...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .THU...VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .THU NIGHT...S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. .FRI...SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .FRI NIGHT...W WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. .SAT...S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT NIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ATLC WATERS S OF 22N W OF 65W .TODAY...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT LATE. SEAS 3 TO 4 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .WED NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .THU NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .WED...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .WED NIGHT...E WINDS 10 KT. SEAS 5 TO 7 FT. .THU...SE WINDS 10 KT. SEAS 6 TO 8 FT. .THU NIGHT...SE WINDS LESS THAN 10 KT. SEAS 6 TO 7 FT. .FRI...SE WINDS 10 KT. SEAS 6 TO 7 FT. .FRI NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT. .SAT...S WINDS 10 KT. SEAS 4 TO 5 FT. .SAT NIGHT...S WINDS 10 KT. SEAS 4 TO 5 FT.