487 FZNT26 KNHC 182008 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 408 PM EDT Wed Jul 18 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Strong Atlantic high pressure will maintain fresh trade winds across the local area through Sun. A broad tropical wave will move across the area tonight through Thu night. San Juan Atlantic Waters .TONIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. Scattered showers. .THU...E to SE winds 15 to 20 kt. Seas 5 to 6 ft. Scattered showers and isolated thunderstorms. .THU NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. Isolated showers. .FRI...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Isolated thunderstorms. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON...E to SE winds 15 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. San Juan Caribbean Waters .TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .THU...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .THU NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Isolated showers. .FRI...E winds 15 to 20 kt. Seas 5 to 7 ft. Isolated showers. .FRI NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 kt. Seas 4 to 6 ft. .SUN...E winds 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 15 kt. Seas 3 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.