000 FZNT26 KNHC 232117 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 517 PM EDT Thu Sep 23 2021 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Winds and seas will diminish through tonight as a weak pressure pattern settles in over the area into early next week. Tropical Storm Sam is near 11.1N 39.7W 1000 mb at 2100 UTC, moving W at 14 kt. Maximum sustained winds are 50 kt with gusts to 60 kt. Sam will intensify to a hurricane by Fri afternoon near 12N44W and to a major hurricane Sat afternoon near 13N47W. Sam will reach near 15N 52.5W Mon and be near 17.5N 55.5W Tue. San Juan Atlantic Waters .TONIGHT...S to SW winds 5 to 10 kt. Seas 4 to 6 ft in N to NE swell. Scattered showers and isolated tstms. .FRI...S to SW winds 5 to 10 kt. Seas 4 to 5 ft in N to NE swell. .FRI NIGHT...S winds less than 5 kt, shifting to SE after midnight. Seas 4 to 5 ft in N to NE swell. .SAT...S winds less than 5 kt. Seas 4 to 5 ft in N to NE swell. .SAT NIGHT...NE to E winds 5 to 10 kt. Seas 4 to 5 ft in N to NE swell. .SUN...E winds 5 to 10 kt. Seas 4 ft. .SUN NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. .MON...E to SE winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. .TUE...E to SE winds 5 to 10 kt. Seas 4 to 6 ft in E swell. .TUE NIGHT...E winds 5 to 10 kt. Seas 5 to 7 ft in E swell. San Juan Caribbean Waters .TONIGHT...E to SE winds 5 to 10 kt. Seas 3 to 4 ft. .FRI...SE winds 5 to 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. .SAT...E to SE winds 5 to 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE to E winds 5 to 10 kt. Seas 3 to 4 ft. .SUN...E winds 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 kt. Seas 3 to 4 ft. .MON...E to SE winds 5 to 10 kt. Seas 3 ft. .MON NIGHT...E winds 10 kt. Seas 3 ft. .TUE...E to SE winds 5 to 10 kt. Seas 3 ft. .TUE NIGHT...E winds 10 kt. Seas 3 to 4 ft.