000 FZNT31 KNHC 260319 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1119 PM 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...AT 11 PM EDT TROPICAL STORM ISAAC WAS LOCATED JUST OFF THE N CENTRAL COAST OF CUBA NEAR NEAR 22.1N 77.2W MOVING NW AT 15 KT. MAXIMUM SUSTAINED WINDS ARE 50 KT GUSTS 60 KT. ISAAC WILL CONTINUE MOVING NW OVER WATER AND JUST OFFSHORE OF THE N CENTRAL COAST OF CUBA TONIGHT...THEN INTO THE STRAITS OF FLORIDA REACHING 23.4N 79.4W SUN MORNING...THEN ACROSS THE FLORIDA KEYS NEAR 24.6N 81.8W SUN EVENING...THEN REACHING HURRICANE INTENSITY AS IT ENTERS THE SE GULF OF MEXICO SUN NIGHT. ISSAC TO CONTINUE NW THEN NNW ACROSS THE E THEN NE GULF MON AND TUE. NW CARIBBEAN W OF 85W .OVERNIGHT...N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .SUN...N WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. .SUN NIGHT AND MON...NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .MON NIGHT...N TO NE WINDS 10 TO 15 KT...BECOMING SE TO S AFTER MIDNIGHT. SEAS 6 TO 8 FT. .TUE THROUGH THU...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W .OVERNIGHT...W TO NW WINDS 20 TO 30 KT. SEAS 6 TO 9 FT. .SUN...S TO SW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .SUN NIGHT THROUGH THU...SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. CARIBBEAN FROM 11N TO 15N W OF 70W .OVERNIGHT...SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN...SE TO S WINDS 10 TO 15 KT...BECOMING SE 10 TO 20 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .SUN NIGHT THROUGH THU...E TO SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. SW CARIBBEAN S OF 11N .OVERNIGHT...SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SUN...SE WINDS 10 KT. SEAS 2 TO 4 FT. .SUN NIGHT THROUGH MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE THROUGH THU...SW TO W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. CARIBBEAN BETWEEN 64W AND 72W .OVERNIGHT...E TO SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SUN...E TO SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .SUN NIGHT THROUGH THU...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 .OVERNIGHT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .SUN NIGHT THROUGH THU...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN NIGHT THROUGH THU...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...AT 11 PM EDT TROPICAL STORM ISAAC WAS LOCATED JUST OFF THE N CENTRAL COAST OF CUBA NEAR NEAR 22.1N 77.2W MOVING NW AT 15 KT. MAXIMUM SUSTAINED WINDS ARE 50 KT GUSTS 60 KT. ISAAC WILL CONTINUE MOVING NW OVER WATER AND JUST OFFSHORE OF THE N CENTRAL COAST OF CUBA TONIGHT...THEN INTO THE STRAITS OF FLORIDA REACHING 23.4N 79.4W SUN MORNING...THEN ACROSS THE FLORIDA KEYS NEAR 24.6N 81.8W SUN EVENING...THEN REACHING HURRICANE INTENSITY AS IT ENTERS THE SE GULF OF MEXICO SUN NIGHT. THE VERY LARGE WIND FIELD OF ISAAC WILL AFFECT THE BAHAMAS AND W PORTIONS THROUGH MON...AND NW PORTIONS MON AND TUE. ATLC WATERS FROM 27N TO 31N W OF 77W .OVERNIGHT...NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. .SUN...E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .SUN NIGHT THROUGH THU...S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .SUN...E TO SE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .SUN NIGHT THROUGH THU...S TO SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. BAHAMAS N OF 22N ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. NE TO E WINDS 40 TO 50 KT. SEAS 13 TO 18 FT. .SUN...TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 45 TO 55 KT...INCREASING TO 50 TO 60 KT IN THE AFTERNOON. SEAS 12 TO 17 FT. .SUN NIGHT THROUGH THU...TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 30 TO 40 KT. SEAS 6 TO 9 FT. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .OVERNIGHT...E WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. .SUN...SE WINDS 20 TO 30 KT...DIMINISHING TO 15 TO 25 KT IN THE AFTERNOON. SEAS 8 TO 13 FT. .SUN NIGHT THROUGH THU...SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. ATLC WATERS S OF 22N W OF 65W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. SE WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. SE WINDS 20 TO 30 KT...DIMINISHING TO 15 TO 25 KT IN THE AFTERNOON. SEAS 6 TO 9 FT. .SUN NIGHT THROUGH THU...E TO SE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .OVERNIGHT...E WINDS 10 KT. SEAS 5 TO 7 FT. .SUN...E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SUN NIGHT THROUGH THU...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.