000 FZNT25 KNHC 250332 OFFN04 NAVTEX MARINE FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1132 PM EDT FRI AUG 24 2012 ...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL WATERS FORECASTS... SOUTHEAST GULF OF MEXICO .SYNOPSIS...AN E TO W RIDGE EXTENDS ACROSS THE NORTHERN GULF. THE PRES GRADIENT BETWEEN THE RIDGE AND TROPICAL STORM ISAAC IN THE NORTH CENTRAL CARIBBEAN WILL TIGHTEN THIS WEEKEND. TROPICAL STORM ISAAC IS FORECAST TO MOVE INTO THE STRAITS OF FLORIDA NEAR 24.9N 81.6W AT 8 PM SUN...INCREASE TO A HURRICANE AT 70 KT GUSTS 80 KT NEAR 27.1N 84.6W AT 8 PM MON...INCREASE TO 80 KT GUSTS 100 KT NEAR 30.N 86.5W AT 8 PM TUE AND MOVE INLAND THE FLORIDA PANHANDLE LATE TUE NIGHT INTO WED. ...TROPICAL STORM WARNING... .OVERNIGHT...NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SAT...NE TO E WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT IN THE AFTERNOON. SEAS 6 TO 9 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE TO E WINDS 20 TO 25 KT...INCREASING TO 30 TO 35 KT AFTER MIDNIGHT. SEAS 6 TO 9 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 35 TO 40 KT...BECOMING N TO NE 40 TO 45 KT IN THE AFTERNOON. SEAS 7 FT...BUILDING TO 12 FT IN THE AFTERNOON. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. N WINDS 50 TO 60 KT...BECOMING N TO NW 55 TO 65 KT AFTER MIDNIGHT. SEAS 13 TO 18 FT. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...HURRICANE CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...S TO SW WINDS 20 TO 25 KT IN THE MORNING...BECOMING VARIABLE LESS THAN 5 KT. SEAS 7 TO 10 FT. WITHIN 200 NM EAST OF THE COAST OF FLORIDA .SYNOPSIS...TROPICAL STORM ISAAC NEAR 17.7N 72.5W AT 11 PM EDT MOVING NW AT 12 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. ISAAC WILL CONTINUE ON A NW TRACK CROSSING SW HAITI OVERNIGHT THEN OVER THE WINDWARD PASSAGE NEAR 19.4N 74.1W SAT MORNING... INTO SE CUBA SAT AFTERNOON...THEN MOVE NW OVER WATER AND ALONG THE N CENTRAL COAST OF CUBA...REACHING NEAR 21.7N 76.7W SAT EVENING...THEN ACROSS THE STRAITS OF FLORIDA SUN...REACHING THE W FLORIDA KEYS NEAR 24.9N 81.6W SUN EVENING...CONTINUING NW AND INTENSIFYING TO A HURRICANE ACROSS THE EXTREME SE GULF SUN NIGHT THEN NNW ACROSS THE NE GULF MON AND TUE. ...TROPICAL STORM WARNING... .OVERNIGHT...NE TO E WINDS 25 TO 30 KT S OF 27N...AND NE 20 TO 25 KT N OF 27N. SEAS 6 TO 9 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. S OF 27N...NE TO E WINDS 20 TO 25 KT...INCREASING TO 30 TO 35 KT IN THE AFTERNOON. N OF 27N...NE TO E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S OF 27N...NE WINDS 35 TO 40 KT...BECOMING NE TO E 50 TO 55 KT AFTER MIDNIGHT. SEAS 13 FT...BUILDING TO 16 FT AFTER MIDNIGHT. N OF 27N...NE TO E WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SUN...TROPICAL STORM CONDITIONS EXPECTED. S OF 27N...E WINDS 50 TO 55 KT...BECOMING SE 55 TO 60 KT IN THE AFTERNOON. N OF 27N...NE TO E WINDS 20 TO 25 KT...BECOMING E 30 TO 35 KT IN THE AFTERNOON. SEAS 15 TO 20 FT S OF 27N...AND 8 TO 11 FT N OF 27N. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S OF 27N...SE WINDS 40 TO 45 KT...BECOMING SE TO S 30 TO 35 KT AFTER MIDNIGHT. SEAS 17 FT...SUBSIDING TO 15 FT AFTER MIDNIGHT. N OF 27N...E WINDS 30 TO 35 KT. SEAS 9 TO 14 FT. .MON...SE WINDS 25 TO 30 KT. SEAS 9 TO 14 FT. .MON NIGHT...SE TO S WINDS 20 TO 25 KT. S OF 27N...SEAS 9 FT... SUBSIDING TO 7 FT AFTER MIDNIGHT. N OF 27N...SEAS 8 TO 13 FT. .TUE...SE TO S WINDS 15 TO 20 KT. SEAS 6 TO 8 FT S OF 27N...AND 8 TO 11 FT N OF 27N. .TUE NIGHT...S OF 27N...SE TO S WINDS 15 TO 20 KT. N OF 27N...SE TO S WINDS 20 TO 25 KT...BECOMING S 15 TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT S OF 27N...AND 7 TO 10 FT N OF 27N. .WED...S OF 27N...SE TO S WINDS 10 TO 15 KT IN THE MORNING. VARIABLE LESS THAN 5 KT. N OF 27N...S TO SW WINDS 15 TO 20 KT IN THE MORNING. SEAS 2 TO 4 FT S OF 27N...AND 7 TO 10 FT N OF 27N.