FZNT26 KNHC 202002 OFFN05 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 402 PM EDT Fri Mar 20 2026 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...The Atlantic ridge extending into the NE Caribbean will shift eastward this weekend allowing a frontal boundary to reach the island by Sun morning. Under this weather pattern, the southerly winds will veer to the N and NE on Sun, and to the NE starting on Sun night as high pressure builds over the western Atlantic in the wake of the front. Moderate to locally fresh winds and moderate seas will prevail through the forecast period. Periods of unsettled weather are also expected this weekend with the proximity of the front. San Juan Atlantic Waters .TONIGHT...S winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers. .SAT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft. Scattered showers. .SAT NIGHT...W winds 10 to 15 kt, shifting to NW to N after midnight. Seas 5 to 7 ft. Scattered showers. .SUN...N to NE winds 10 to 15 kt. Seas 5 to 7 ft. Scattered showers. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt. Seas 6 to 7 ft in N swell. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft. .WED...NE to E winds 15 to 20 kt. Seas 5 to 6 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. San Juan Caribbean Waters .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE to S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SE to S winds 5 to 10 kt, shifting to E after midnight. Seas 3 to 4 ft. .SUN...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...NE to E winds 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft.