541 FZNT26 KNHC 122120 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 520 PM 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 15.4N 56.6W 1003 mb at 5 PM EDT moving W at 17 kt. Maximum sustained winds 50 kt gusts 60 kt. Isaac will move to 15.6N 59.0W Thu morning, 15.8N 61.8W Thu afternoon, 16.0N 64.8W Fri morning, 16.0N 67.6W Fri afternoon, and 16.0N 72.5W Sat afternoon. Isaac will change little in intensity as it moves to near 16.5N 76.5W Sun afternoon, and continue to near 17.5N 80.5W Mon. San Juan Atlantic Waters .TONIGHT...NE to 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. Scattered showers and isolated thunderstorms. .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. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. San Juan Caribbean Waters ...TROPICAL STORM WARNING... .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. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 35 to 40 kt. Seas 4 to 11 ft. Scattered showers and isolated thunderstorms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. E winds 35 to 40 kt. Seas 5 to 11 ft. Scattered showers and isolated thunderstorms. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 35 to 40 kt. Seas 4 to 9 ft. Scattered showers and isolated thunderstorms. .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...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft.