042 FZNT26 KNHC 142050 OFFN05 NAVTEX Marine Forecast NWS National Hurricance Center Miami, FL 450 PM EDT Fri Sep 14 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 15.3N 68.2W 1002 mb at 5 PM EDT moving W at 12 kt. Maximum sustained winds 35 kt gusts 45 kt. Isaac will move to 15.4N 70.1W Sat morning and continue moving west of the area with moderate to fresh southeast trades setting across the area. San Juan Atlantic Waters .TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...E to SE winds 10 to 15 kt. Seas 6 to 7 ft in NE to E swell. Scattered showers and isolated thunderstorms. .SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .SUN...SE to S winds 5 to 10 kt. Seas 5 to 6 ft in NE swell. .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 10 to 15 kt. Seas 3 to 4 ft. .TUE...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. San Juan Caribbean Waters ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 30 to 35 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 8 ft. Scattered showers and isolated thunderstorms. .SAT...SE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. Scattered showers and isolated thunderstorms. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 15 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft.