000 FZNT26 KNHC 181454 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1054 AM EDT Thu Mar 18 2021 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A cold front across the NE Caribbean along 15N will drift SE and weaken through Fri. Large northerly swell associated with the front across Atlantic waters and Caribbean Passages will subside through Fri. High pressure behind the front will shift NE and weaken through the weekend. San Juan Atlantic Waters .THIS AFTERNOON...E winds 15 kt in the afternoon. Seas 8 to 10 ft in N swell. .TONIGHT...NE to E winds 15 to 20 kt. Seas 7 to 9 ft in N to NE swell. .FRI...E winds 15 to 20 kt. Seas 7 to 8 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 15 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .SUN...E to SE winds 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E to SE winds 15 kt. Seas 5 to 7 ft. .MON...E to SE winds 10 to 15 kt. Seas 6 to 7 ft in N swell. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 7 ft in N swell. San Juan Caribbean Waters .THIS AFTERNOON...NE to E winds 15 to 20 kt in the afternoon. Seas 6 to 9 ft. .TONIGHT...NE to E winds 20 kt. Seas 6 to 8 ft. .FRI...E winds 15 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 15 to 20 kt. Seas 5 to 7 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 4 to 6 ft. .MON...E winds 15 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 15 kt. Seas 4 to 6 ft.