061 FZNT26 KNHC 150947 OFFN05 NAVTEX Marine Forecast NWS National Hurricance Center Miami, FL 547 AM EDT Sat Sep 15 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Tropical cyclone Isaac has opened up into an elongated surface trough along about 71W moving W at 13 kt. Maximum sustained winds are 30 kt. This trough will move west through the weekend and gradually weaken. Moderate to fresh southeast trades will prevail through Sun behind the exiting Isaac becoming easterly late Mon. San Juan Atlantic Waters .TODAY...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in NE to E swell. Scattered showers and isolated thunderstorms. .TONIGHT...SE winds 5 to 10 kt. Seas 6 to 7 ft in NE swell. Scattered showers and isolated thunderstorms. .SUN...SE winds 5 to 10 kt. Seas 5 to 6 ft in NE to E swell. Scattered showers and isolated thunderstorms. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. Scattered showers and isolated thunderstorms. .MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...E to SE winds 5 to 10 kt. Seas 4 ft. .TUE...E to SE winds 10 kt. Seas 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. San Juan Caribbean Waters .TODAY...SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. Scattered showers and isolated thunderstorms. .SUN...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .MON...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 15 to 20 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.