FZNT26 KNHC 221918 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 318 PM EDT Sat Aug 22 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 across the Atlantic waters and fresh trades over Caribbean waters. Moderate seas are forecast across the regional waters. A tropical wave is expected to move across the eastern Caribbean Tue through early Wed, and across the eastern part of the central Caribbean during the rest of Wed. Another tropical wave may approach the Lesser Antilles and far eastern Caribbean late on Wed. These waves will freshen the trade wind flow across those waters. San Juan Atlantic Waters .TONIGHT...E winds 10 to 15 kt. Seas 4 ft. Isolated showers. .SUN...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. Isolated showers. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Isolated showers. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E 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 15 kt. Seas 4 to 5 ft. .THU...E winds 15 kt. Seas 5 ft. .THU NIGHT...E winds 15 kt. Seas 5 ft. San Juan Caribbean Waters .TONIGHT...E winds 15 kt. Seas 3 to 5 ft. Isolated showers. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. Isolated showers. .SUN NIGHT...E winds 15 kt. Seas 3 to 4 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 4 ft. .TUE...E winds 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 15 kt. Seas 3 to 4 ft. .WED...E winds 15 kt. Seas 4 to 5 ft. .WED NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 5 ft. .THU...E winds 15 kt. Seas 4 to 5 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft.