000 FZNT31 KNHC 250913 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 513 AM EDT SAT AUG 25 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 18.1N 72.7W 992 MB AT 5 AM EDT MOVING NW AT 10 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. ISAAC WILL MOVE ACROSS THE WINDWARD PASSAGE THIS MORNING AND INLAND EASTERN CUBA NEAR 20.4N 75.0W THIS AFTERNOON. ISAAC WILL THEN STRENGTHEN AS IT MOVES TO NEAR 22.2N 77.6W BY LATE TONIGHT...AND CONTINUE ACROSS THE STRAITS OF FLORIDA INTENSIFYING INTO A HURRICANE NEAR 23.8N 80.0W BY SUN AFTERNOON AND TO NEAR 25.0N 81.8W BY LATE SUN NIGHT. ISAAC WILL CONTINUE FURTHER AWAY INTO THE FAR NNE MON THROUGH WED. NW CARIBBEAN W OF 85W .TODAY...N TO NE WINDS 10 TO 20 KT...BECOMING N 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .TONIGHT...N TO NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN AND SUN NIGHT...N TO NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .MON...NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .MON NIGHT THROUGH WED...SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. N TO NW WINDS 45 TO 55 KT... BECOMING W TO NW 25 TO 35 KT IN THE AFTERNOON. SEAS 6 TO 9 FT. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W WINDS 25 TO 35 KT...BECOMING SW 20 TO 30 KT AFTER MIDNIGHT. SEAS 6 TO 9 FT. .SUN THROUGH WED...SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. CARIBBEAN FROM 11N TO 15N W OF 70W .TODAY...W TO NW WINDS 10 TO 20 KT...BECOMING SW 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. .TONIGHT...S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN...SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT THROUGH WED...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. SW CARIBBEAN S OF 11N .TODAY...SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...VARIABLE WINDS 10 KT OR LESS...BECOMING S 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. .SUN...S WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. .SUN NIGHT THROUGH MON NIGHT...NE TO E WINDS 10 KT. SEAS 2 TO 4 FT. .TUE THROUGH WED...W TO NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. CARIBBEAN BETWEEN 64W AND 72W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. SE WINDS 35 TO 45 KT...DIMINISHING TO 10 TO 20 KT IN THE AFTERNOON. SEAS 8 TO 13 FT. .TONIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SUN THROUGH WED...E TO SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .TODAY...E WINDS LESS THAN 10 KT...BECOMING E TO SE IN THE AFTERNOON. SEAS 5 TO 7 FT. .TONIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN THROUGH WED...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .TODAY...E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN THROUGH WED...E TO SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...TROPICAL STORM ISAAC IN THE CARIBBEAN SEA NEAR 18.1N 72.7W 992 MB AT 5 AM EDT MOVING NW AT 10 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. ISAAC WILL MOVE ACROSS THE WINDWARD PASSAGE THIS MORNING AND INLAND EASTERN CUBA NEAR 20.4N 75.0W THIS AFTERNOON. ISAAC WILL THEN STRENGTHEN AS IT MOVES TO NEAR 22.2N 77.6W BY LATE TONIGHT...AND CONTINUE ACROSS THE STRAITS OF FLORIDA INTENSIFYING INTO A HURRICANE NEAR 23.8N 80.0W BY SUN AFTERNOON AND TO NEAR 25.0N 81.8W BY LATE SUN NIGHT. A RIDGE WILL BUILD ALONG 28N MON THROUGH WED. ATLC WATERS FROM 27N TO 31N W OF 77W .TODAY...N TO NE WINDS 15 TO 25 KT...BECOMING NE TO E 10 TO 20 KT IN THE AFTERNOON. SEAS 6 TO 9 FT. .TONIGHT...NE TO E WINDS 10 TO 20 KT...INCREASING TO 15 TO 25 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT. .SUN THROUGH WED...S WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...NE TO E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. .TONIGHT...E WINDS 10 TO 20 KT...INCREASING TO 15 TO 25 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT. .SUN THROUGH WED...S TO SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. BAHAMAS N OF 22N ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS EXPECTED. NE TO E WINDS 20 TO 30 KT...INCREASING TO 30 TO 40 KT IN THE AFTERNOON. SEAS 12 TO 17 FT. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE TO E WINDS 40 TO 50 KT...BECOMING E 45 TO 55 KT AFTER MIDNIGHT. SEAS 13 TO 18 FT. .SUN...TROPICAL STORM CONDITIONS EXPECTED. E TO SE WINDS 50 TO 60 KT...BECOMING SE 40 TO 50 KT IN THE AFTERNOON. SEAS 13 TO 18 FT. .SUN NIGHT THROUGH TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE TO S WINDS 35 TO 45 KT. SEAS 8 TO 11 FT. .WED...SE TO S WINDS 10 TO 20 KT...BECOMING S 10 TO 15 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .TODAY...E WINDS 20 TO 30 KT. SEAS 10 TO 15 FT. .TONIGHT...E TO SE WINDS 20 TO 30 KT. SEAS 10 TO 15 FT. .SUN THROUGH WED...SE TO S WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. ATLC WATERS S OF 22N W OF 65W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. E WINDS 30 TO 40 KT... BECOMING SE 40 TO 50 KT IN THE AFTERNOON. SEAS 14 TO 19 FT. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 45 TO 55 KT...DIMINISHING TO 30 TO 40 KT AFTER MIDNIGHT. SEAS 15 FT... SUBSIDING TO 11 FT AFTER MIDNIGHT. .SUN THROUGH WED...TROPICAL STORM CONDITIONS EXPECTED. E TO SE WINDS 20 TO 30 KT. SEAS 6 TO 8 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .TODAY...E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. .TONIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. .SUN THROUGH WED...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.