NWS Marine Forecast


   ANZ500-202000-  1057 AM EDT Mon Jul 20 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    High pressure will pass north of the area today. A warm front will  return northward tonight into Tuesday, followed by another cold  front Tuesday night into Wednesday. High pressure will build in from  the west Thursday and Friday. Small Craft Advisories will likely be  needed Tuesday through early Thursday.    $$
   ANZ539-202000-  Chester River to Queenstown MD-  1057 AM EDT Mon Jul 20 2026    REST OF TODAY  SE winds 5 kt. Waves flat.  TONIGHT  SE winds 10 to 15 kt. Waves 1 ft. Showers likely.  TUE  S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers  and tstms likely.  TUE NIGHT  SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.  Showers with a chance of tstms.  WED  W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A  chance of showers.  WED NIGHT  N winds 5 to 10 kt. Waves 1 ft.  THU  NE winds 5 to 10 kt. Waves 1 ft or less.  FRI  E winds around 5 kt. Waves flat.    Winds and waves higher and visibilities lower in and near tstms.    $$