FZNT26 KNHC 191522 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1122 AM EDT Mon Oct 19 2026 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A weak pressure gradient across the area will support mainly light to gentle winds and slight to moderate seas through Wed. Southeast winds are forecast to develop across the regional waters on Thu as surface ridging rebuilds across the subtropical Atlantic ahead of an area of low pressure forecast to develop in the SW Caribbean. Moderate to fresh SE winds will then persist through the weekend. Otherwise, long period northerly swell building seas to around 7 ft are expected to reach the Atlantic waters and passages tonight through Tue night. San Juan Atlantic Waters .THIS AFTERNOON...E to SE winds 5 to 10 kt. Seas 3 to 4 ft. Isolated showers. .TONIGHT...E winds 5 to 10 kt. Seas 5 to 7 ft in NW to N swell. Isolated showers. .TUE...SE winds 5 to 10 kt. Seas 5 to 7 ft in NW to N swell. Isolated showers. .TUE NIGHT...SE winds 5 to 10 kt. Seas 5 to 7 ft in NW to N swell. Isolated showers. .WED...SE to S winds 5 to 10 kt. Seas 4 to 6 ft in NW to N swell. .WED NIGHT...SE to S winds 5 to 10 kt. Seas 4 to 5 ft in NW to N swell. .THU...SE to S winds 5 to 10 kt. Seas 4 to 5 ft in NW to N swell. .THU NIGHT...SE winds 5 to 10 kt. Seas 4 to 6 ft in NW to N swell. .FRI...SE winds 10 to 15 kt. Seas 5 to 6 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 6 ft. San Juan Caribbean Waters .THIS AFTERNOON...E winds 5 to 10 kt. Seas 3 to 4 ft. Isolated showers. .TONIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Isolated showers. .TUE...E to SE winds 5 to 10 kt. Seas 3 to 4 ft. Isolated showers. .TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Isolated showers. .WED...E to SE winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...E to SE winds 5 to 10 kt. Seas 3 to 4 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft.