FZNT26 KNHC 181430 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1030 AM EDT Sat Apr 18 2026 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Gentle to moderate E to SE winds and moderate seas will persist through the middle of next week. San Juan Atlantic Waters .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 15 kt. Seas 5 to 7 ft. .SUN...E winds 15 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E to SE winds 5 to 10 kt. Seas 4 to 5 ft in E swell. .TUE NIGHT...E winds 5 to 10 kt. Seas 4 to 5 ft in E swell. .WED...NE winds 5 to 10 kt. Seas 4 ft. .WED NIGHT...NE to E winds 5 to 10 kt. Seas 5 to 7 ft in NW to N swell. San Juan Caribbean Waters .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft. Scattered showers. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. Scattered showers. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. Scattered showers. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE to E winds 10 kt. Seas 3 to 4 ft. .WED...E winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...NE to E winds 5 to 10 kt. Seas 3 ft.