NWS Marine Forecast


   ANZ500-152300-  458 AM EDT Sat Aug 15 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    A stalled frontal boundary will linger to the south through tonight,  then return northward as a warm front Sunday. A cold front moves  through on Monday. High pressure approaches from the west Tuesday  into Wednesday. Small Craft Advisories will likely be needed Sunday  through Sunday night.    $$
   ANZ539-152300-  Chester River to Queenstown MD-  458 AM EDT Sat Aug 15 2026    REST OF THE OVERNIGHT  N winds 5 kt. Waves less than 1 ft.  TODAY  NE winds 5 to 10 kt. Waves 1 ft or less.  TONIGHT  SE winds around 5 kt. Waves 1 ft or less.  SUN  S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.  Showers with tstms likely.  SUN NIGHT  S winds 10 to 15 kt...becoming W after midnight. Gusts  up to 20 kt. Waves 2 ft. Showers with a chance of tstms.  MON  NW winds 5 to 10 kt. Waves 1 ft.  MON NIGHT  N winds 5 to 10 kt. Waves 1 ft.  TUE  N winds 5 to 10 kt...becoming S after midnight. Waves 1 ft or  less.  WED  S winds 5 to 10 kt. Waves 1 ft or less.    Winds and waves higher and visibilities lower in and near tstms.    $$