NWS Marine Forecast


   AMZ101-220900-  Synopsis for the SW N Atlantic including the Bahamas  446 PM EDT Tue Jul 21 2026      .SYNOPSIS...A surface trough extending north of the Leeward  Islands to 29N58W will move westward reaching near 70W by Wed  afternoon and to near 75W by Thu morning. Moderate to fresh winds  and moderate seas are expected on either side of the trough axis.  Fresh to locally strong trade winds are expected offshore  Hispaniola, including approaches to the Windward Passage through  the forecast period. Moderate or weaker winds along with moderate  seas are forecast elsewhere E of the Bahamas through Fri, except S  of 23N E of about 77W where mostly fresh trades are expected  into Sun.    $$
   AMZ065-220900-  Atlantic from 29N to 31N between 70W and 74W-  446 PM EDT Tue Jul 21 2026    TONIGHT  SE winds 10 kt. Seas 2 to 4 ft.  WED  E to SE winds 10 to 15 kt. Seas 3 to 5 ft.  WED NIGHT  E to SE winds 10 to 15 kt. Seas 4 to 6 ft.  THU  SE winds 10 to 15 kt. Seas 4 to 6 ft in E to SE swell.  Scattered showers and isolated tstms.  THU NIGHT  SE winds 10 kt. Seas 4 to 6 ft in E to SE swell.  FRI  W of 72W, SE to S winds 10 kt. E of 72W, SE winds 10 kt in  the morning, becoming variable less than 5 kt. Seas 3 to 5 ft.  FRI NIGHT  W of 72W, variable winds less than 5 kt, becoming S  10 kt late. E of 72W, variable winds less than 5 kt.  Seas 3 to 5 ft.  SAT  S to SW winds 10 kt. Seas 2 to 4 ft.  SAT NIGHT  SW winds 10 to 15 kt. Seas 2 to 4 ft.  SUN  SW winds 15 to 20 kt. Seas 4 to 6 ft.  SUN NIGHT  SW winds 15 to 20 kt. Seas 5 to 7 ft.    $$