000 FZNT31 KNHC 200912 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 512 AM EDT THU AUG 20 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...A TROPICAL WAVE WILL PASS THROUGH THE CENTRAL CARIBBEAN TODAY AND FRI...AND MOVE ACROSS THE W CARIBBEAN ON SAT AND SUN. TROPICAL STORM DANNY IN THE CENTRAL ATLC IS EXPECTED TO BECOME A HURRICANE...PASSING 55W ON SUN WITH TROPICAL STORM CONDITIONS SPREADING ACROSS TROPICAL WATERS E OF THE LESSER ANTILLES ON SUN AND ACROSS THE LEEWARDS ON MON. NW CARIBBEAN W OF 85W .TODAY...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .FRI...E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .FRI NIGHT...E WINDS 10 TO 20 KT. 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 3 TO 4 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .TODAY...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT S OF 18N... AND 3 TO 5 FT ELSEWHERE. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT S OF 18N...AND 3 TO 5 FT ELSEWHERE. .FRI...E WINDS 15 TO 25 KT S OF 18N...AND E 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT S OF 18N...AND 3 TO 5 FT ELSEWHERE. .FRI NIGHT...E WINDS 15 TO 25 KT S OF 18N...AND NE 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT S OF 18N... AND 3 FT ELSEWHERE. .SAT...E WINDS 15 TO 25 KT S OF 18N...AND E 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT S OF 18N...AND 3 TO 4 FT ELSEWHERE. .SAT NIGHT...S OF 18N...E WINDS 10 TO 20 KT...SEAS 4 TO 6 FT. ELSEWHERE...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT LATE...SEAS 3 FT IN THE EVENING...SUBSIDING TO 2 FT OR LESS. .SUN...E WINDS 10 TO 20 KT S OF 18N...AND E LESS THAN 10 KT ELSEWHERE. SEAS 4 TO 6 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE. .SUN NIGHT...E WINDS 10 TO 20 KT S OF 18N...AND E LESS THAN 10 KT ELSEWHERE. SEAS 4 TO 6 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE. .MON...E WINDS 10 TO 20 KT S OF 18N...AND E LESS THAN 10 KT ELSEWHERE. SEAS 4 TO 6 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE. CARIBBEAN FROM 11N TO 15N W OF 72W .TODAY...E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. .TONIGHT...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .FRI...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .FRI NIGHT...NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .SAT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SAT NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .SUN...E WINDS 15 TO 25 KT. SEAS 6 TO 9 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. SW CARIBBEAN S OF 11N .TODAY...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .TONIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .FRI...NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .FRI NIGHT...N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .SAT...NE WINDS 10 TO 20 KT...SHIFTING TO SE 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. .SAT NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN...NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN NIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. CARIBBEAN BETWEEN 64W AND 72W .TODAY...E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .TONIGHT...E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .FRI...E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .FRI NIGHT...E WINDS 15 TO 25 KT. SEAS 5 TO 7 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 4 TO 6 FT. .MON...TROPICAL STORM CONDITIONS POSSIBLE. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N 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. .FRI...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...HURRICANE CONDITIONS POSSIBLE. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...HURRICANE CONDITIONS POSSIBLE. 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 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...TROPICAL STORM CONDITIONS POSSIBLE. E WINDS 10 TO 15 KT... INCREASING TO 15 TO 25 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A RIDGE ACROSS NORTHERN WATERS WILL SHIFT S TODAY AS A BROAD LOW PRES AREA MOVES SE ACROSS THE NE WATERS. THE LOW WILL MEANER THROUGH FRI NIGHT THEN SHIFT N OF THE AREA SAT WHILE TRAILING A TROUGH SW TO THE CENTRAL BAHAMAS. TROPICAL STORM DANNY IN THE S CENTRAL ATLC IS EXPECTED TO STRENGTHEN TO A HURRICANE AND MOVE W ACROSS THE LEEWARDS LATE IN THE WEEKEND. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...SW WINDS 10 KT. SEAS 3 TO 4 FT. .TONIGHT...W WINDS 10 KT. SEAS 3 TO 4 FT. .FRI...W WINDS 10 KT. SEAS 3 FT. .FRI NIGHT...W WINDS 10 KT. SEAS 3 FT. .SAT...NW WINDS 10 KT. SEAS 3 FT. .SAT NIGHT...NE WINDS 10 KT. SEAS 3 FT. .SUN...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 KT. SEAS 3 TO 4 FT. .MON...E WINDS 10 KT. SEAS 3 TO 4 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...W WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI...NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI NIGHT...NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT NIGHT...N WINDS 10 KT. SEAS 3 TO 4 FT. .SUN...N WINDS 10 TO 15 KT...SHIFTING TO W IN THE AFTERNOON. SEAS 3 TO 5 FT. .SUN NIGHT...N WINDS LESS THAN 10 KT W OF 70W...AND S 10 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT. .MON...NE WINDS LESS THAN 10 KT W OF 70W...AND SW 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT. BAHAMAS N OF 22N .TODAY...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .FRI...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SAT...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS. .SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SUN...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...NE WINDS LESS THAN 10 KT...SHIFTING TO E LATE. SEAS 2 FT OR LESS. .MON...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...SW WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .FRI...SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI NIGHT...W WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT NIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...W OF 70W...S WINDS LESS THAN 10 KT...SHIFTING TO SE LATE. ELSEWHERE...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON...W OF 70W...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. ATLC WATERS S OF 22N W OF 65W .TODAY...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 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...SE 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 20 KT. SEAS 4 TO 6 FT. .MON...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE.