000 FZNT26 KNHC 181536 OFFN05 NAVTEX Marine Forecast NWS National Hurricance Center Miami, FL 1136 AM EDT Wed Oct 18 2017 ...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 centered across the E Central Atlc extends WSW to near 25N62W will weaken slightly late Thu through Sat. Fresh to locally strong trades are expected through the forecast period. A pair of tropical waves will move W through the regional waters today through Thu and will produce active weather during passage. San Juan Atlantic Waters .THIS AFTERNOON...E to SE winds 15 to 20 kt. Seas 6 to 7 ft. Scattered showers and isolated thunderstorms. .TONIGHT...E to SE winds 15 to 20 kt. Seas 6 to 7 ft. Isolated thunderstorms. .THU...E to SE winds 15 to 20 kt. Seas 6 to 7 ft. Isolated thunderstorms. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 7 ft. .FRI...E to SE winds 15 to 20 kt. Seas 6 to 7 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. .SAT...E winds 15 to 20 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. .SUN...E winds 15 to 20 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. San Juan Caribbean Waters .THIS AFTERNOON...E to SE winds 15 to 20 kt. Seas 6 to 7 ft. Scattered showers and isolated thunderstorms. .TONIGHT...E winds 20 to 25 kt. Seas 6 to 8 ft. Isolated thunderstorms. .THU...E to SE winds 20 to 25 kt. Seas 6 to 9 ft. Isolated thunderstorms. .THU NIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft. .FRI...E winds 20 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 15 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 15 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft.