FZNT26 KNHC 210846 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 446 AM EDT Mon Sep 21 2026 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A very weak pressure pattern across the western Atlantic will promote gentle to moderate trade winds across forecast waters for the next several days. A frontal system will move across the western Atlantic Thu by the end of the work week leading to SE winds across the area Atlantic waters Thu through Fri. San Juan Atlantic Waters .TODAY...E to SE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...E to SE winds 10 kt. Seas 3 ft. Scattered showers and isolated tstms. .TUE...E to SE winds 5 to 10 kt. Seas 3 ft. .TUE NIGHT...E to SE winds 10 kt. Seas 3 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E to SE winds 10 kt. Seas 3 to 4 ft. .THU...E to SE winds 10 kt. Seas 3 to 4 ft. .THU NIGHT...E to SE winds 10 kt. Seas 3 to 4 ft. .FRI...SE winds 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E to SE winds 10 kt. Seas 3 to 4 ft. San Juan Caribbean Waters .TODAY...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated tstms. .TUE...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.