000 FZNT31 KNHC 240330 OFFN20 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1130 PM 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 16.7N 68.7W AT 11 PM EDT MOVING WNW AT 16 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. ISAAC WILL CONTINUE ON A WNW TRACK AND INTENSIFY GRADUALLY THROUGH FRI NIGHT...REACHING NEAR 17.5N 70.7W FRI MORNING...THEN ACROSS SW HAITI TO NEAR 18.8N 73.1W FRI EVENING...THEN INTO SE CUBA NEAR 20.2N 75.4W SAT MORNING. ISAAC EXPECTED TO MOVE NW ACROSS CUBA SAT AND BEGIN TO EXIT THE N CENTRAL COAST OF CUBA NEAR 21.8N 77.7W SAT EVENING...THEN CONTINUE NW ALONG THE N COAST OF CUBA SUN AND INTO THE STRAITS OF FLORIDA SUN EVENING NEAR 24.8N 82.0W...THEN NW ACROSS THE W FLORIDA KEYS AND INTO THE SE GULF OF MEXICO...REACHING NEAR NEAR 27.5N 85.5W MON EVENING. NW CARIBBEAN W OF 85W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...NE TO E WINDS 10 TO 20 KT...BECOMING NE 10 TO 15 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. .FRI NIGHT THROUGH SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN THROUGH TUE...S TO SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. CARIBBEAN N OF 15N BETWEEN 72W AND 85W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. .FRI...TROPICAL STORM CONDITIONS EXPECTED. N TO NE WINDS 30 TO 40 KT...BECOMING N 40 TO 50 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. N WINDS 35 TO 45 KT. SEAS 6 TO 9 FT. .SAT AND SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W TO NW WINDS 30 TO 40 KT. SEAS 6 TO 8 FT. .SUN THROUGH TUE...SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. CARIBBEAN FROM 11N TO 15N W OF 70W .OVERNIGHT...N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...W TO NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI NIGHT THROUGH SUN...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN NIGHT THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW CARIBBEAN S OF 11N .OVERNIGHT...NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...W TO NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT AND SAT...SW WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. .SAT NIGHT AND SUN...S TO SW WINDS 10 KT. SEAS 2 TO 4 FT. .SUN NIGHT THROUGH TUE...N TO NE WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. CARIBBEAN BETWEEN 64W AND 72W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. SW WINDS 30 TO 40 KT. SEAS 8 TO 13 FT. .FRI...TROPICAL STORM CONDITIONS EXPECTED. SE TO S WINDS 45 TO 55 KT...DIMINISHING TO 40 TO 50 KT IN THE AFTERNOON. SEAS 10 TO 15 FT. .FRI NIGHT THROUGH TUE...TROPICAL STORM CONDITIONS EXPECTED. E TO SE WINDS 25 TO 35 KT. SEAS 8 TO 11 FT. OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO 19N W OF 55W .OVERNIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 8 TO 13 FT. .FRI...E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .FRI NIGHT THROUGH TUE...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO 15N W OF 55W .OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. .FRI...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .FRI NIGHT THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...TROPICAL STORM ISAAC NEAR 16.0N 67.1W AT 5 PM EDT MOVING W-NW AT 14 KT. MAXIMUM SUSTAINED WINDS REMAIN 35 KT GUSTS 45 KT. ISAAC WILL CONTINUE ON A W-NW TRACK AND INTENSIFY GRADUALLY THROUGH FRI NIGHT...REACHING NEAR 16.6N 69.0W LATE TONIGHT...TO NEAR 17.5N 71.5W FRI AFTERNOON...THEN ACROSS SW HAITI TO NEAR 18.9N 74.0W LATE FRI NIGHT...THEN INTO SE CUBA NEAR 20.3N 76.2W SAT AFTERNOON. ISAAC EXPECTED TO MOVE NW ACROSS CUBA SAT NIGHT AND SUN AND BEGIN TO EXIT THE N CENTRAL COAST OF CUBA NEAR 23.0N 80.0W SUN AFTERNOON...THEN CONTINUE NW ACROSS THE STRAITS OF FLORIDA SUN NIGHT AND ACROSS THE W FLORIDA KEYS AND INTO THE SE GULF OF MEXICO MON. LARGE WIND FIELD OF ISSAC WILL AFFECT S AND SW PORTIONS THROUGH SUN. TROPICAL STORM JOYCE NEAR 16.0N 67.1W AT 5 PM EDT MOVING W-NW 14 KT WITH MAXIMUM WINDS 35 KT GUSTS TO 45 KT. JOYCE EXPECTED TO MOVE NW AND SLOWLY STRENGTHEN BY SAT...MOVING ACROSS EXTREME NE PORTIONS SUN. ATLC WATERS FROM 27N TO 31N W OF 77W .OVERNIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT THROUGH TUE...SE TO S WINDS 20 TO 30 KT. SEAS 5 TO 7 FT. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .OVERNIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. .FRI NIGHT THROUGH MON...SE WINDS 20 TO 30 KT. SEAS 6 TO 9 FT. .MON NIGHT AND TUE...TROPICAL STORM CONDITIONS POSSIBLE. S TO SW WINDS 30 TO 40 KT. SEAS 6 TO 9 FT. BAHAMAS N OF 22N ...TROPICAL STORM WARNING... .OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI...NE TO E WINDS 20 TO 30 KT. SEAS 7 TO 10 FT. .FRI NIGHT AND SAT...TROPICAL STORM CONDITIONS POSSIBLE. NE TO E WINDS 30 TO 40 KT. SEAS 9 TO 14 FT. .SAT NIGHT AND SUN...TROPICAL STORM CONDITIONS POSSIBLE. SE WINDS 40 TO 50 KT. SEAS 9 TO 14 FT. .SUN NIGHT THROUGH MON NIGHT...SE TO S WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .TUE...SE TO S WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS .OVERNIGHT...E WINDS 15 TO 25 KT. SEAS 12 TO 17 FT. .FRI...E WINDS 20 TO 30 KT. SEAS 10 TO 15 FT. .FRI NIGHT THROUGH TUE...SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ATLC WATERS S OF 22N W OF 65W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. NE TO E WINDS 25 TO 35 KT. SEAS 12 TO 17 FT. .FRI...TROPICAL STORM CONDITIONS EXPECTED. E TO SE WINDS 25 TO 35 KT. SEAS 12 TO 17 FT. .FRI NIGHT THROUGH SUN...TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 35 TO 45 KT. SEAS 9 TO 14 FT. .SUN NIGHT THROUGH TUE...E TO SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W .OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 11 TO 16 FT. .FRI...E WINDS 15 TO 25 KT...DIMINISHING TO 10 TO 20 KT IN THE AFTERNOON. SEAS 8 TO 13 FT. .FRI NIGHT THROUGH TUE...NE TO E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.