FZNT26 KNHC 250728 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 328 AM EDT Thu Apr 25 2024 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A surface trough extends from near 16N67W to Puerto Rico and continues northward into the Atlantic near a cold front. Related instability will assist in the development of scattered showers and isolated thunderstorms over some of the forecast waters and nearby island and adjacent waters this morning. The cold front, presently located to the northwest of the forecast waters, should move across the northeastern Caribbean Sea during the early part of the weekend. Additional instability ahead of this front feature should help to further enhance shower and thunderstorm activity over the region Fri into the weekend. Mainly gentle to moderate trades will prevail across the local Atlantic and Caribbean waters, increasing to fresh speeds starting late Sat. San Juan Atlantic Waters .TODAY...E winds 10 to 15 kt. Seas 5 to 6 ft. Scattered showers and isolated thunderstorms. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. Scattered showers and isolated thunderstorms. .FRI...E winds 10 to 15 kt. Seas 5 to 6 ft. Scattered showers and isolated thunderstorms. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. Scattered showers and isolated thunderstorms. .SAT...NE to E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft. .MON...NE winds 15 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft in N to NE swell. San Juan Caribbean Waters .TODAY...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Isolated showers. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. Isolated showers. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. Isolated showers. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. Isolated showers and thunderstorms. .SAT...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE to E winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.