000 FZNT31 KNHC 230914 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 514 AM EDT THU AUG 23 2012 MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 64W...THE SW N ATLC 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...TROPICAL STORM ISAAC NEAR 15.3N 64.0W AT 5 AM EDT MOVING W AT 10 KT. MAXIMUM SUSTAINED WINDS ARE 35 KT GUSTS 45 KT. ISAAC WILL MOVE TO 16.2N 65.9W THIS AFTERNOON...TO 16.9N 68.4W TONIGHT...THEN WILL STRENGTHEN TO A HURRICANE NEAR 17.8N 71.1W FRI AFTERNOON...WEAKENING BACK TO A TROPICAL STORM AS IT MOVES OVER LAND AND THEN TO THE WINDWARD PASSAGE NEAR 19.1N 73.4W FRI NIGHT...BACK INLAND TO 21.8N 77.4W SAT NIGHT...THEN BACK TO A HURRICANE NEAR 24.4N 80.9W SUN NIGHT AS IT MOVES N OF THE AREA INTO THE GULF OF MEXICO. MEANWHILE TROPICAL DEPRESSION TEN IS FORECAST TO REMAIN NE OF 19N THROUGH THE WEEKEND. NW CARIBBEAN W OF 85W .TODAY...E WINDS 10 TO 20 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .TONIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI THROUGH SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN THROUGH MON...W TO NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W ...TROPICAL STORM WARNING... .TODAY...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI THROUGH SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NW WINDS 45 TO 55 KT. SEAS 6 TO 8 FT. .SUN THROUGH MON...S WINDS 20 TO 30 KT. SEAS 5 TO 7 FT. CARIBBEAN FROM 11N TO 15N W OF 70W .TODAY...NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...NE WINDS LESS THAN 10 KT...BECOMING N TO NE AFTER MIDNIGHT. WITHIN 90 NM OF COAST OF COLOMBIA...N TO NE WINDS 10 KT IN THE EVENING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...S TO SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN NIGHT AND MON...SE TO S WINDS 10 TO 15 KT...EXCEPT E TO SE LESS THAN 10 KT WITHIN 90 NM OF COAST OF COLOMBIA. SEAS 3 TO 5 FT. SW CARIBBEAN S OF 11N .TODAY...W TO NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...NW WINDS 10 KT IN THE EVENING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI THROUGH SUN...S TO SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SUN NIGHT AND MON...E WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. CARIBBEAN BETWEEN 64W AND 72W ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS. N TO NE WINDS 25 TO 35 KT... BECOMING W TO NW 30 TO 40 KT IN THE AFTERNOON. SEAS 7 TO 10 FT. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W TO NW WINDS 35 TO 45 KT...BECOMING S TO SW 40 TO 50 KT AFTER MIDNIGHT. SEAS 8 TO 13 FT. .FRI...TROPICAL STORM CONDITIONS EXPECTED. S WINDS 50 TO 60 KT... BECOMING SE TO S 55 TO 65 KT IN THE AFTERNOON. SEAS 10 TO 15 FT. .FRI NIGHT THROUGH SUN...TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .SUN NIGHT AND MON...E TO SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 25 TO 35 KT...DIMINISHING TO 20 TO 30 KT IN THE AFTERNOON. SEAS 11 TO 16 FT. .TONIGHT...E TO SE WINDS 20 TO 30 KT...DIMINISHING TO 15 TO 25 KT AFTER MIDNIGHT. SEAS 9 TO 14 FT. .FRI THROUGH MON...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...S WINDS 20 TO 30 KT...BECOMING E TO SE 15 TO 25 KT IN THE AFTERNOON. SEAS 7 TO 10 FT. .TONIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .FRI THROUGH MON...E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...TROPICAL STORM ISAAC NEAR 15.3N 64.0W AT 5 AM EDT MOVING W AT 10 KT. MAXIMUM SUSTAINED WINDS ARE 35 KT GUSTS 45 KT. ISAAC WILL MOVE TO 16.2N 65.9W THIS AFTERNOON...TO 16.9N 68.4W TONIGHT...THEN WILL STRENGTHEN TO A HURRICANE NEAR 17.8N 71.1W FRI AFTERNOON...WEAKENING BACK TO A TROPICAL STORM AS IT MOVES OVER LAND AND THEN TO THE WINDWARD PASSAGE NEAR 19.1N 73.4W FRI NIGHT...BACK INLAND TO 21.8N 77.4W SAT NIGHT...THEN BACK TO A HURRICANE NEAR 24.4N 80.9W SUN NIGHT AS IT MOVES W OF THE AREA INTO THE GULF OF MEXICO. MEANWHILE TROPICAL DEPRESSION TEN IS FORECAST TO MOVE THROUGH AMZ127 AS A TROPICAL STORM NEAR 22.0N 57.0W SAT NIGHT...THEN TO NEAR AMZ117 NEAR AT 31.0N 64.5W MON NIGHT. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...SW WINDS 10 KT. SEAS 2 TO 4 FT. .TONIGHT...S WINDS 10 KT. SEAS 2 TO 4 FT. .FRI...N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT THROUGH SUN...NE TO E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SUN NIGHT AND MON...E WINDS 15 TO 25 KT. SEAS 8 TO 13 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .FRI THROUGH SUN NIGHT...E TO SE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .MON...TROPICAL STORM CONDITIONS POSSIBLE. BAHAMAS N OF 22N .TODAY...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI AND FRI NIGHT...E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. NE TO E WINDS 25 TO 35 KT...INCREASING TO 30 TO 40 KT IN THE AFTERNOON. SEAS 10 TO 15 FT. .SAT NIGHT THROUGH MON...HURRICANE CONDITIONS POSSIBLE. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...NE TO E WINDS 10 TO 20 KT...BECOMING E 15 TO 25 KT IN THE AFTERNOON. SEAS 8 TO 11 FT. .TONIGHT...E WINDS 15 TO 25 KT. SEAS 10 TO 15 FT. .FRI THROUGH MON...SE WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. ATLC WATERS S OF 22N W OF 65W ...TROPICAL STORM WARNING... .TODAY...NE TO E WINDS 10 TO 20 KT...INCREASING TO 20 TO 30 KT IN THE AFTERNOON. SEAS 11 TO 16 FT. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE TO E WINDS 25 TO 35 KT...BECOMING E 30 TO 40 KT AFTER MIDNIGHT. SEAS 13 TO 18 FT. .FRI AND FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E TO SE WINDS 35 TO 45 KT. SEAS 13 TO 18 FT. .SAT AND SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN THROUGH MON...TROPICAL STORM CONDITIONS POSSIBLE. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...E WINDS 15 TO 25 KT...BECOMING E TO SE 20 TO 30 KT IN THE AFTERNOON. SEAS 13 TO 18 FT. .TONIGHT...E TO SE WINDS 20 TO 30 KT. SEAS 11 TO 16 FT. .FRI THROUGH SAT...E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. .SAT NIGHT THROUGH MON...TROPICAL STORM CONDITIONS POSSIBLE.