NWS Marine Forecast

   ANZ500-302000-  227 AM EDT Tue Jun 30 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    An area of high pressure will build near and south of the Mid-  Atlantic through the week. A pop up shower or thunderstorm can't  totally be ruled out near any bay or river breezes each afternoon,  though most of the time should be dry until Friday when the high  pressure begins to shift. The chance of strong thunderstorms will  increase Friday into the weekend. Southerly channeling may require  the issuance of Small Craft Advisories at times through Wednesday.    $$

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   ANZ538-302000-  Patapsco River including Baltimore Harbor-  227 AM EDT Tue Jun 30 2026    SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE  TONIGHT    OVERNIGHT  S winds 5 kt. Waves less than 1 ft.  TUE  S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft or less.  TUE NIGHT  S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.  WED  S winds 5 to 10 kt. Waves 1 ft. A chance of showers and  tstms.  WED NIGHT  S winds 5 to 10 kt. Waves 1 ft.  THU  S winds 5 to 10 kt. Waves 1 ft or less.  THU NIGHT  SW winds 5 to 10 kt. Waves 1 ft or less.  FRI  W winds 5 to 10 kt. Waves 1 ft or less.  SAT  W winds around 5 kt. Waves 1 ft or less. A chance of showers  and tstms.    Winds and waves higher and visibilities lower in and near tstms.    $$