000 FZNT31 KNHC 130915 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 515 AM EDT THU APR 13 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...FRESH WINDS WILL PULSE TO STRONG SW OF CUBA AND THROUGH WINDWARD PASSAGE EACH NIGHT THROUGH FRI. FRESH WINDS OFF THE COAST OF COLOMBIA WILL PULSE TO STRONG EACH NIGHT THROUGH SUN. GENTLE TO MODERATE TRADE WINDS WILL PREVAIL ELSEWHERE THROUGH EARLY SAT THEN FRESHEN SUN AS HIGH PRES BUILDS S ACROSS THE SW N ATLC. NW CARIBBEAN W OF 85W .TODAY...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...E WINDS 10 TO 15 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 3 TO 5 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .TODAY...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. CARIBBEAN FROM 11N TO 15N W OF 72W .TODAY...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN...NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .SUN NIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .MON...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. SW CARIBBEAN S OF 11N .TODAY...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON...NE WINDS 10 TO 15 KT...SHIFTING TO NW IN THE AFTERNOON. SEAS 5 TO 7 FT. .MON NIGHT...NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. CARIBBEAN BETWEEN 64W AND 72W .TODAY...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...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...E WINDS 10 TO 15 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 5 TO 7 FT. .SUN NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .MON...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .TODAY...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. .SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SUN...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .MON...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .MON NIGHT...NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...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...E WINDS 10 TO 20 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 4 TO 6 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A TIGHT PRES GRADIENT N OF BROAD LOW PRES 1012 MB NEAR 26N68.5W IS SUPPORTING WINDS TO GALE FORCE ACROSS THE FAR NE WATERS...AND A BROAD AREA OF STRONG NE TO E WINDS N OF 26N AND E OF 75W. THE LOW WILL DRIFT SE TO E AND WEAKEN THROUGH TONIGHT... THEN ACCELERATE NE FRI. HIGH PRES ASSOCIATED WITH A COLD FRONT WILL BUILD S ACROSS THE AREA THIS WEEKEND TO PRODUCE FRESHENING NE TO E WINDS ACROSS MUCH OF AREA N OF 22N. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI...NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .SAT...E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. .SAT NIGHT...E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .MON...SE WINDS 10 KT. SEAS 4 TO 6 FT. .MON NIGHT...SE WINDS 10 KT. SEAS 3 TO 5 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .TODAY...NE WINDS 25 TO 35 KT EARLY DIMINISHING TO 15 TO 25 KT. SEAS 7 TO 10 FT. .TONIGHT...NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .FRI...NE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT. .FRI NIGHT...NE WINDS 10 TO 20 KT...INCREASING TO 20 TO 25 KT AFTER MIDNIGHT. SEAS 7 TO 8 FT. .SAT...NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .SAT NIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .MON...E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. .MON NIGHT...E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. BAHAMAS N OF 22N .TODAY...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...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...E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .SAT NIGHT...E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 15 TO 25 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 4 TO 6 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...N WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. .TONIGHT...N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .FRI...N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .FRI NIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SAT...NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .SAT NIGHT...NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .SUN...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT. .MON...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. ATLC WATERS S OF 22N W OF 65W .TODAY...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI...W WINDS 10 TO 15 KT...SHIFTING TO NW IN THE AFTERNOON. SEAS 3 TO 5 FT. .FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 8 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 20 KT. SEAS 6 TO 8 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .TONIGHT...S WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. .FRI...S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .FRI NIGHT...S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. .SAT...W WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. .SAT NIGHT...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN NIGHT...NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .MON...NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.