347 FZNT26 KNHC 111506 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1106 AM EDT Tue Sep 11 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Tropical Storm Isaac near 14.6N 49.7W 996 mb at 11 AM EDT moving W at 14 kt. Maximum sustained winds 60 kt gusts 75 kt. Isaac will move to 14.6N 51.8W this evening, strengthen to a hurricane near 14.7N 54.4W Wed morning, weaken to a tropical storm near 14.9N 57.1W Wed evening, 15.1N 59.9W Thu morning, and 15.5N 65.5W Fri morning. Isaac will change little in intensity as it moves to near 15.5N 71.0W early Sat. San Juan Atlantic Waters .THIS AFTERNOON...E to SE winds 5 to 10 kt. Seas 5 to 7 ft. .TONIGHT...E to SE winds 5 to 10 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 8 ft. .THU...E winds 15 to 20 kt. Seas 5 to 11 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 11 ft. .FRI...E winds 15 to 20 kt. Seas 8 to 10 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .SAT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft. San Juan Caribbean Waters .THIS AFTERNOON...E winds 5 to 10 kt. Seas 3 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 25 kt. Seas 4 to 8 ft. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE.