467 FZNT26 KNHC 120928 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 528 AM 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 1000 mb centered near 14.5N 53.5W at 5 AM EDT is moving W at 13 kt. Maximum sustained winds are 50 kt with gusts to 60 kt. Isaac will move across the Lesser Antilles on Thursday, and expected to weaken through Fri night. High winds and rough seas, primarily north of the center, will accompany the tropical storm as it moves across the region. San Juan Atlantic Waters .TODAY...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...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. .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. San Juan Caribbean Waters ...TROPICAL STORM WARNING... .TODAY...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .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. Scattered showers. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 25 to 30 kt, increasing to 35 to 40 kt late. Seas 4 to 11 ft. Scattered showers. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 35 to 40 kt. Seas 5 to 11 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. .SUN...SE winds 15 to 20 kt. Seas 3 to 5 ft.