000 FZNT31 KNHC 210921 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 521 AM EDT WED SEP 21 2016 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 WEAK PRES PATTERN WILL PERSIST ACROSS THE BASIN THROUGH THE UPCOMING WEEKEND AS TROPICAL CYCLONE KARL MOVES ACROSS THE SW N ATLC. ACTIVE WEATHER WILL PREVAIL THROUGH THU ACROSS W AND SW PORTIONS DUE TO AN UPPER LEVEL TROUGH. EASTERLY SWELL ASSOCIATED WITH TROPICAL CYCLONE KARL WILL IMPACT THE ATLC WATERS AND CARIBBEAN PASSAGES THROUGH FRI. NW CARIBBEAN W OF 85W .TODAY...E WINDS 10 KT. SEAS 2 FT OR LESS. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .THU...E WINDS 10 KT. SEAS 2 FT OR LESS. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS...BUILDING TO 3 FT AFTER MIDNIGHT. .FRI...E WINDS 10 TO 15 KT. SEAS 3 FT. .FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 3 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS. .SUN...E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .TODAY...E WINDS 10 TO 20 KT S OF 18N...AND E LESS THAN 10 KT ELSEWHERE. SEAS 3 TO 5 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE. .THU...E WINDS 10 TO 15 KT. SEAS 3 FT. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT IN THE EVENING... SUBSIDING TO 2 FT OR LESS. .FRI...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .FRI NIGHT...S OF 18N...E WINDS 10 TO 20 KT. ELSEWHERE...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS. .SAT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE. .SAT NIGHT...S OF 18N...E WINDS 10 TO 20 KT. ELSEWHERE...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE. .SUN...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT S OF 18N... AND 2 FT OR LESS ELSEWHERE. CARIBBEAN FROM 11N TO 15N W OF 72W .TODAY...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .FRI...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW CARIBBEAN S OF 11N .TODAY...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .THU...W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .THU NIGHT...N WINDS LESS THAN 10 KT. SEAS 3 FT. .FRI...NE WINDS LESS THAN 10 KT. SEAS 3 FT. .FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 3 FT. .SAT...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. CARIBBEAN BETWEEN 64W AND 72W .TODAY...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .THU...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .THU NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .FRI...E WINDS 10 TO 20 KT. GULF OF VENEZUELA...SEAS 3 FT IN THE MORNING...SUBSIDING TO 2 FT OR LESS. ELSEWHERE...SEAS 3 TO 5 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 15 TO 25 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .TODAY...SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU NIGHT...SE 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 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. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .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 5 FT. .FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT...E WINDS 10 TO 20 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS....KARL HAS WEAKENED OVERNIGHT TO A TROPICAL DEPRESSION...LOCATED NEAR 20.2N 57.6W AT 0900 UTC MOVING W AT 12 KT. KARL IS EXPECTED TO MOVE MORE W-NW TODAY THEN BEGIN TO TURN MORE NW TONIGHT AND STRENGTHEN TO A TROPICAL STORM NEAR 25N 64W BY THU AFTERNOON...THEN BEGIN A GRADUAL STRENGTHENING TREND THU NIGHT THROUGH FRI NIGHT AS IT MOVES N AND THEN NE ACROSS E PORTIONS OF THE NE WATERS AS A STRONG TROPICAL STORM. KARL IS THEN FORECAST TO ACCELERATE TO THE NE AND EXIT THE AREA INTO THE CENTRAL ATLC AS A HURRICANE SAT. ASSOCIATED E TO SE SWELL FROM KARL WILL PROPAGATE THROUGH THE ATLC WATERS THROUGH THE UPCOMING WEEKEND. OTHERWISE...A TROUGH OFFSHORE OF FLORIDA WILL PERSIST THROUGH THE END OF THE WEEK. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...W WINDS LESS THAN 10 KT. SEAS 3 FT. .TONIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .THU...SW WINDS 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT. .THU NIGHT...S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. .SAT...W WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .SAT NIGHT...SW WINDS 10 KT. SEAS 5 TO 6 FT. .SUN...W WINDS LESS THAN 10 KT...SHIFTING TO N IN THE AFTERNOON. SEAS 4 TO 5 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...TROPICAL STORM WARNING... .TODAY...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT W OF 70W...AND 5 TO 7 FT ELSEWHERE. .THU...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT W OF 70W...AND 6 TO 9 FT ELSEWHERE. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W OF 70W...E WINDS 10 TO 15 KT. ELSEWHERE...NE WINDS 25 TO 35 KT...INCREASING TO 35 TO 45 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT W OF 70W...AND 8 TO 13 FT ELSEWHERE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 10 TO 15 KT W OF 70W...AND N 40 TO 50 KT ELSEWHERE. SEAS 6 TO 8 FT W OF 70W...AND 9 TO 14 FT ELSEWHERE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...NW WINDS 10 TO 15 KT W OF 70W...AND NW 15 TO 25 KT ELSEWHERE. SEAS 5 TO 6 FT W OF 70W...AND 7 TO 10 FT ELSEWHERE. .SUN...NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. BAHAMAS N OF 22N .TODAY...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .THU...E WINDS 10 KT. SEAS 2 FT OR LESS...BUILDING TO 3 FT IN THE AFTERNOON. .THU NIGHT...E WINDS 10 KT. SEAS 2 FT OR LESS...BUILDING TO 3 FT AFTER MIDNIGHT. .FRI...E WINDS 10 KT. SEAS 2 FT OR LESS...BUILDING TO 3 FT IN THE AFTERNOON. .FRI NIGHT...E WINDS 10 KT. SEAS 3 TO 4 FT. .SAT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN...E WINDS 10 KT. SEAS 2 FT OR LESS. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS ...TROPICAL STORM WARNING... .TODAY...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT W OF 70W...AND 6 TO 8 FT ELSEWHERE. .THU...TROPICAL STORM CONDITIONS POSSIBLE. W OF 70W...NE WINDS 10 KT. ELSEWHERE...NE WINDS 10 TO 20 KT...INCREASING TO 20 TO 30 KT IN THE AFTERNOON. SEAS 4 TO 6 FT W OF 70W...AND 6 TO 9 FT ELSEWHERE. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 10 TO 15 KT W OF 70W...AND N 30 TO 40 KT ELSEWHERE. SEAS 4 TO 6 FT W OF 70W...AND 7 TO 10 FT ELSEWHERE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. W OF 70W...NE WINDS LESS THAN 10 KT. ELSEWHERE...NW WINDS 30 TO 40 KT...BECOMING W 10 TO 20 KT IN THE AFTERNOON. SEAS 6 TO 9 FT. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...NE WINDS LESS THAN 10 KT W OF 70W...AND W 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT. .SAT NIGHT...N WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .SUN...N WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. ATLC WATERS S OF 22N W OF 65W .TODAY...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU...NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .THU NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS 10 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...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...NE WINDS 15 TO 25 KT...SHIFTING TO SW IN THE AFTERNOON. SEAS 7 TO 10 FT. .TONIGHT...S WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .THU...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .THU NIGHT...S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 5 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.