FZNT26 KNHC 200926 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 526 AM EDT Mon Jul 20 2026 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...The Atlantic subtropical ridge will lift northward and weaken through midweek, due to the presence of a broad surface trough near 52W. The trough will shift W across the Atlantic waters, reaching approximately 65W by Wed and move W of 70W and weaken quickly Thu. Expect moderate to fresh easterly winds through tonight, and gentle to moderate winds through Fri, likely reaching moderate to fresh speeds again Fri night. Seas will be slight to moderate through the period. San Juan Atlantic Waters .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. Scattered showers and isolated tstms. .TUE...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. Isolated showers. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. Isolated showers. .WED...E to SE winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E to SE winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...E to SE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. San Juan Caribbean Waters .TODAY...E winds 15 to 20 kt. Seas 4 to 6 ft. Isolated showers. .TONIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Isolated showers. .TUE...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Isolated showers. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .WED...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...E winds 15 kt. Seas 4 to 5 ft. .FRI NIGHT...NE to E winds 15 kt. Seas 4 to 5 ft.