891 FZNT26 KNHC 132047 OFFN05 NAVTEX Marine Forecast NWS National Hurricance Center Miami, FL 447 PM EDT Thu Sep 13 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 14.9N 61.8W 1006 mb at 11 AM EDT moving W at 17 kt. Maximum sustained winds 40 kt gusts 50 kt. Isaac will move to 14.9N 64.2W this evening, 14.9N 67.0W Fri morning, 14.9N 69.8W Fri evening, 15.0N 72.3W Sat morning, and 15.5N 76.5W Sun morning. Isaac will dissipate early Mon. The highest winds and seas are expected mainly north of the center. Otherwise, gentle to moderate trades are forecast west of Isaac while fresh trades are forecast to the east of Isaac San Juan Atlantic Waters .TONIGHT...NE to E winds 15 to 20 kt. Seas 7 to 11 ft in E swell. .FRI...E winds 15 to 20 kt. Seas 8 to 10 ft in E swell. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft in E swell. .SAT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. Scattered showers and isolated thunderstorms. .SAT NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft in NE swell. Scattered showers and isolated thunderstorms. .SUN...SE to S winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 5 ft. .MON...E to SE winds 15 to 20 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft. .TUE...E to SE winds 15 to 20 kt. Seas 4 to 5 ft. San Juan Caribbean Waters ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 30 to 35 kt. Seas 4 to 12 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 30 kt. Seas 6 to 13 ft in E swell. Scattered showers and isolated thunderstorms. .FRI NIGHT...E to SE winds 25 to 30 kt. Seas 5 to 12 ft. Scattered showers and isolated thunderstorms. .SAT...E to SE winds 15 to 20 kt. Seas 4 to 9 ft. Scattered showers and isolated thunderstorms. .SAT NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .SUN...SE winds 15 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON...E winds 15 to 20 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 15 to 20 kt. Seas 4 to 6 ft.