614 FZNT26 KNHC 130322 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1122 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 1003 mb is centered near 15.3N 58.0W at 11 PM EDT, moving W at 17 kt. Maximum sustained winds are 45 kt with gusts to 55 kt. Isaac will move across the Lesser Antilles on Thursday, and is expected to gradually weaken as it moves further west across the Caribbean Sea through Mon. High winds and rough seas will be primarily north of the center. San Juan Atlantic Waters .OVERNIGHT...E winds 15 to 20 kt. Seas 5 to 8 ft. .THU...E winds 15 to 20 kt. Seas 5 to 10 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 11 ft. .FRI...E winds 15 to 20 kt. Seas 8 to 10 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft. Scattered showers. .SAT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .SUN...SE to S winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 15 to 20 kt. Seas 5 ft. .MON...E to SE winds 15 to 20 kt. Seas 4 to 5 ft. San Juan Caribbean Waters ...TROPICAL STORM WARNING... .OVERNIGHT...NE to E winds 15 to 20 kt. Seas 3 to 6 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 30 to 40 kt. Seas 4 to 12 ft. Scattered showers. .FRI...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt. Seas 6 to 13 ft. Scattered showers and isolated thunderstorms. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 30 to 35 kt, diminishing to 20 to 25 kt late. Seas 5 to 12 ft. Scattered showers. .SAT...E to SE winds 15 to 20 kt. Seas 4 to 9 ft. .SAT NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. .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.