000 FZNT31 KNHC 200935 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 535 AM EDT TUE SEP 20 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 DEEP LAYERED TROUGH EXTENDS ACROSS E CUBA...THE WINDWARD PASSAGE AND INTO THE N CENTRAL CARIBBEAN WITH A WEAK SURFACE REFLECTION ACROSS THE WINDWARD PASSAGE THIS MORNING...AND WILL SHIFT W AND WEAKEN THROUGH THU. A TROPICAL WAVE FOLLOWING CLOSELY TO THE E WILL GRADUALLY MERGE WITH THE SURFACE TROUGH AS IS MOVES SLOWLY W ACROSS THE CENTRAL CARIBBEAN THROUGH FRI. MARINE CONDITIONS ASSOCIATED WITH TROPICAL CYCLONE KARL WILL MOVE ACROSS THE FAR NE PORTION OF TROPICAL N ATLC WATERS TO THE N OF 18N E OF 60W TONIGHT THROUGH MIDDAY WED THEN EXIT TO THE NW. A VERY WEAK PRESSURE GRADIENT WILL THEN PREVAIL THROUGH FRI AS KARL MOVES N TOWARDS BERMUDA. 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. .WED...E WINDS 10 KT. SEAS 2 FT OR LESS. .WED NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .THU...E WINDS LESS THAN 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 TO 4 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 3 FT IN THE MORNING...SUBSIDING TO 2 FT OR LESS. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .TODAY...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT S OF 18N... AND 2 FT OR LESS ELSEWHERE. .TONIGHT...S OF 18N...E WINDS 10 TO 20 KT. ELSEWHERE...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE. .WED...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT S OF 18N...AND 2 FT OR LESS ELSEWHERE. .WED NIGHT...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 S OF 18N...AND E LESS THAN 10 KT ELSEWHERE. SEAS 3 FT. .THU NIGHT...E WINDS 10 TO 15 KT S OF 18N...AND NE LESS THAN 10 KT ELSEWHERE. SEAS 3 FT IN THE EVENING...SUBSIDING TO 2 FT OR LESS. .FRI...E WINDS 10 TO 15 KT S OF 18N...AND E LESS THAN 10 KT ELSEWHERE. SEAS 2 FT OR LESS. .FRI NIGHT...E WINDS 10 TO 15 KT S OF 18N...AND E LESS THAN 10 KT ELSEWHERE. SEAS 2 FT OR LESS...BUILDING TO 3 FT AFTER MIDNIGHT. .SAT...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. CARIBBEAN FROM 11N TO 15N W OF 72W .TODAY...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 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 4 TO 6 FT. .SAT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW CARIBBEAN S OF 11N .TODAY...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED NIGHT...N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .THU...NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .THU NIGHT...N WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 FT. .FRI...NE WINDS 10 TO 15 KT. SEAS 3 FT. .FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT...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 15 TO 25 KT. SEAS 3 TO 5 FT. .WED...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED NIGHT...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. 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 4 TO 6 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .TODAY...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .WED...SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .WED NIGHT...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...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 15 KT. SEAS 3 TO 5 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .WED NIGHT...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 20 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS....A SURFACE TROUGH WILL PERSIST ACROSS THE NW WATERS OVER THE NEXT COUPLE OF DAYS WHILE THE ATLANTIC RIDGE REMAINS WELL N OF THE AREA. TROPICAL CYCLONE KARL IS CROSSING 52W THIS MORNING AND WILL MOVE ACROSS NE PORTIONS OF THE TROPICAL WATERS FROM 19N TO 22N E OF 60W THIS AFTERNOON THROUGH MIDDAY WED... THEN BEGIN TO VEER MORE NW THEN N-NW AND PASS E OF 66W LATE WED THROUGH THU. KARL IS FORECAST TO MOVE N-NW THEN N THROUGH NE WATERS LATE THU THROUGH EARLY SAT...LIKELY AS A HURRICANE...BEFORE ACCELERATING TO THE NE. ASSOCIATED E SWELL FROM KARL HAS BEGUN TO REACH EASTERN WATERS OVERNIGHT AND WILL SPREAD W AND 80W BY WED NIGHT. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...SW WINDS LESS THAN 10 KT. SEAS 3 FT. .TONIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .WED...S WINDS LESS THAN 10 KT. SEAS 3 FT. .WED NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .THU...S WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT. .THU NIGHT...SE WINDS 10 KT. SEAS 3 TO 4 FT. .FRI...SE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI NIGHT...E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. .SAT...VARIABLE WINDS LESS THAN 10 KT...BECOMING N LESS THAN 10 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...S WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT W OF 70W...AND 5 TO 7 FT ELSEWHERE. .THU...TROPICAL STORM CONDITIONS POSSIBLE. W OF 70W...E WINDS 10 TO 15 KT. ELSEWHERE...E WINDS 10 TO 20 KT...BECOMING NE 20 TO 30 KT IN THE AFTERNOON. SEAS 4 TO 6 FT W OF 70W...AND 7 TO 10 FT ELSEWHERE. .THU NIGHT...HURRICANE CONDITIONS POSSIBLE. .FRI...HURRICANE CONDITIONS POSSIBLE. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...HURRICANE CONDITIONS POSSIBLE. BAHAMAS N OF 22N .TODAY...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TONIGHT...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS. .WED...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS. .WED NIGHT...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 3 FT. .FRI...NE WINDS 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...NE WINDS 10 KT. SEAS 2 FT OR LESS. .SAT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .WED NIGHT...NE WINDS 10 TO 20 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 TO 15 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 7 TO 10 FT ELSEWHERE. .THU NIGHT...HURRICANE CONDITIONS POSSIBLE. .FRI...HURRICANE CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...N WINDS LESS THAN 10 KT W OF 70W...AND SW 15 TO 25 KT ELSEWHERE. SEAS 4 TO 6 FT W OF 70W...AND 6 TO 9 FT ELSEWHERE. 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 15 KT. SEAS 3 TO 5 FT. .WED...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .THU NIGHT...NE WINDS LESS THAN 10 KT...SHIFTING TO SE AFTER MIDNIGHT. SEAS 3 TO 5 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS 10 KT. SEAS 3 TO 5 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 15 TO 25 KT...INCREASING TO 25 TO 35 KT IN THE AFTERNOON. SEAS 7 TO 10 FT. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 25 TO 35 KT. SEAS 8 TO 11 FT. .WED...TROPICAL STORM CONDITIONS POSSIBLE. N WINDS 25 TO 35 KT... BECOMING W 15 TO 25 KT IN THE AFTERNOON. SEAS 7 TO 10 FT. .WED NIGHT...SW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .THU...S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .THU NIGHT...SE WINDS 10 TO 20 KT. SEAS 5 TO 6 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 5 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.