410 FZNT26 KNHC 121509 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1109 AM EDT Wed Sep 12 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 15.0N 54.7W 1000 mb at 11 AM EDT moving W at 15 kt. Maximum sustained winds 50 kt gusts 60 kt. Isaac will move to 15.1N 56.7W this evening, 15.3N 59.4W Thu morning, 15.3N 62.6W Thu evening, 15.4N 65.6W Fri morning, and 15.5N 71.0W Sat morning. San Juan Atlantic Waters .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 15 to 20 kt. Seas 4 to 7 ft. .THU...E winds 15 to 20 kt. Seas 5 to 9 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 6 to 10 ft. .FRI...E winds 15 to 20 kt. Seas 7 to 9 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...E to SE winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...E to SE winds 5 to 10 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. San Juan Caribbean Waters ...TROPICAL STORM WARNING... .THIS AFTERNOON...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 15 to 20 kt. Seas 4 to 7 ft. Scattered showers. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 25 to 30 kt, increasing to 35 to 40 kt late. Seas 4 to 10 ft. Scattered showers. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. NE to E winds 35 to 40 kt. Seas 5 to 11 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .SUN...SE winds 15 to 20 kt. Seas 3 to 5 ft.