FZNT26 KNHC 230901 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 501 AM EDT Sun Aug 23 2026 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...The pressure gradient between high pressure over the western Atlantic and lower pressure over the Caribbean will allow for moderate trades over the Atlantic waters and mostly fresh trades over the Caribbean waters. Moderate seas are forecast across the regional waters. A weak tropical wave near 63W will move across the Caribbean regional waters through tonight. Another weak tropical wave will move across the Caribbean regional waters Mon night through Tue night. Yet, another tropical wave may approach the Lesser Antilles and far eastern Caribbean late on Wed and move across the eastern Caribbean Thu and Thu night. These waves will freshen the trade wind flow across the regional waters. Scattered showers and thunderstorms near these waves may be capable of producing strong gusty winds. San Juan Atlantic 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 3 to 5 ft. Isolated showers. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. Isolated showers. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 t. Isolated showers. .TUE...E to SE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. San Juan Caribbean Waters .TODAY...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 15 kt. Seas 3 to 5 ft. .TUE...E winds 15 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .THU...E winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft.