000 FZNT26 KNHC 201500 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1100 AM EDT Thu May 20 2021 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A weak ridge extending from the NE Atlantic to the NE Caribbean will maintain gentle to moderate E to SE trades across the region through Fri before moderate easterly tradewinds return for the weekend. Small to moderate long period NE swell will move through the regional waters through early Fri. San Juan Atlantic Waters .THIS AFTERNOON...E winds 5 to 10 kt in the afternoon. Seas 5 to 7 ft in N to NE swell. Scattered showers and isolated tstms. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft in N to NE swell. Scattered showers and isolated tstms. .FRI...E winds 5 to 10 kt. Seas 5 to 6 ft in N to NE swell. Scattered showers and isolated tstms. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 ft. Scattered showers and isolated tstms. .SAT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft in N to NE swell. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 7 ft in NE swell. .MON...E to SE winds 10 to 15 kt. Seas 6 to 7 ft in NE to E swell. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. San Juan Caribbean Waters .THIS AFTERNOON...E to SE winds 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 15 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. .MON...E winds 15 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 15 kt. Seas 5 to 6 ft.