000 FZNT25 KNHC 260331 OFFN04 NAVTEX MARINE FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1131 PM EDT SAT AUG 25 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...TROPICAL STORM ISAAC 997 MB AT 22.1N 77.2W AT 11 PM SAT. MAXIMUM SUSTAINED WINDS ARE 50 KT WITH GUSTS TO 60 KT. ISAAC IS MOVING NW OR 305 DEG AT 15 KT. ISSAC IS EXPECTED TO INCREASE TO 55 KT GUSTS 65 KT REACHING NEAR 23.4N 79.4W AT 8 AM SUN...INCREASE TO A MINIMAL HURRICANE WITH 65 KT GUSTS 80 KT NEAR 24.6N 81.8W AT 8 PM SUN. ISSAC IS FORECAST TO INCREASE TO 75 KT GUSTS 90 KT NEAR 25.8N 83.7W AT 8 AM MON AND 85 KT GUSTS 105 KT NEAR 27.2N 85.2W AT 8 PM MON...AND 90 KT GUSTS 110 KT NEAR 29.5N 86.5W AT 8 PM TUE...THEN WEAKEN TO A TROPICAL STORM INLAND NEAR 31.5N 86.5W AT 8 PM WED...AND FURTHER WEAKEN TO A TROPICAL DEPRESSION WELL INLAND NEAR 34.0N 86.0W AT 8 PM THU. ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE WITH HURRICANE CONDITIONS ALSO POSSIBLE. NE TO E WINDS 25 TO 30 KT. SEAS 10 TO 15 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS. .SUN...TROPICAL STORM CONDITIONS EXPECTED WITH HURRICANE CONDITIONS POSSIBLE. NE WINDS 30 TO 35 KT...BECOMING N TO NE 50 TO 60 KT IN THE AFTERNOON. SEAS 10 TO 15 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS. .SUN NIGHT...HURRICANE CONDITIONS EXPECTED. N TO NE WINDS 55 TO 65 KT...BECOMING N 60 TO 70 KT AFTER MIDNIGHT. SEAS 13 TO 18 FT. FREQUENT SHOWERS AND SCATTERED TSTMS. VSBY 1 NM OR LESS. .MON...HURRICANE CONDITIONS EXPECTED. NW WINDS 65 TO 75 KT... BECOMING SW 70 TO 80 KT IN THE AFTERNOON. SEAS 16 TO 21 FT. .MON NIGHT...HURRICANE CONDITIONS POSSIBLE. S TO SW WINDS 75 TO 85 KT. SEAS 15 TO 25 FT. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...SW WINDS 25 TO 30 KT. SEAS 8 TO 11 FT. .WED NIGHT...S TO SW WINDS 20 TO 25 KT...DIMINISHING TO 15 TO 20 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT. .THU...S TO SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. WITHIN 200 NM EAST OF THE COAST OF FLORIDA .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. ...HURRICANE WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS WITH HURRICANE CONDITIONS POSSIBLE. NE WINDS 40 TO 45 KT S OF 27N...AND NE 15 TO 20 KT N OF 27N. S OF 27N...SEAS 13 FT...BUILDING TO 15 FT AFTER MIDNIGHT. N OF 27N...SEAS 7 TO 10 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS. .SUN...TROPICAL STORM CONDITIONS EXPECTED WITH HURRICANE CONDITIONS POSSIBLE. S OF 27N...E WINDS 50 TO 55 KT...BECOMING SE 55 TO 60 KT IN THE AFTERNOON. N OF 27N...E WINDS 25 TO 30 KT. SEAS 13 TO 18 FT S OF 27N...AND 8 TO 13 FT N OF 27N. NUMEROUS SHOWERS AND SCATTERED TSTMS. .SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED WITH HURRICANE CONDITIONS POSSIBLE. S OF 27N...SE WINDS 45 TO 50 KT...BECOMING SE TO S 30 TO 35 KT AFTER MIDNIGHT. N OF 27N...E TO SE WINDS 25 TO 30 KT. SEAS 12 TO 17 FT S OF 27N...AND 8 TO 11 FT N OF 27N. FREQUENT SHOWERS AND SCATTERED TSTMS. VSBY 1 NM OR LESS. .MON...TROPICAL STORM CONDITIONS POSSIBLE WITH HURRICANE CONDITIONS ALSO POSSIBLE. S OF 27N...SE TO S WINDS 25 TO 30 KT. N OF 27N...E TO SE WINDS 25 TO 30 KT...BECOMING SE 20 TO 25 KT IN THE AFTERNOON. SEAS 8 TO 11 FT. .MON NIGHT...SE WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. .TUE...S OF 27N...SE TO S WINDS 15 TO 20 KT. N OF 27N...SE TO S WINDS 20 TO 25 KT...DIMINISHING TO 15 TO 20 KT IN THE AFTERNOON. SEAS 5 TO 7 FT S OF 27N...AND 7 TO 10 FT N OF 27N. .TUE NIGHT...S OF 27N...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. N OF 27N...SE TO S WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. .WED...S OF 27N...S WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT IN THE AFTERNOON. N OF 27N...S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT S OF 27N...AND 7 TO 10 FT N OF 27N. .WED NIGHT...S OF 27N...S WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT AFTER MIDNIGHT. N OF 27N...S WINDS 15 TO 20 KT... INCREASING TO 20 TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT S OF 27N...AND 6 TO 9 FT N OF 27N. .THU...S OF 27N...S WINDS 15 TO 20 KT...BECOMING SE TO S 10 TO 15 KT IN THE AFTERNOON. N OF 27N...S TO SW WINDS 20 TO 25 KT... DIMINISHING TO 15 TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT S OF 27N...AND 7 TO 10 FT N OF 27N.