NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ500-010800-  758 PM 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 Thursday.    $$
   ANZ539-010800-  Chester River to Queenstown MD-  758 PM EDT Tue Jun 30 2026    SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT WEDNESDAY  SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  LATE WEDNESDAY NIGHT    TONIGHT  S winds 15 kt with gusts to 20 kt. Waves 2 ft.  WED  S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.  WED NIGHT  S winds 10 to 15 kt. Gusts up to 25 kt until early  morning. Waves 2 ft.  THU  S winds 5 to 10 kt. Waves 1 ft.  THU NIGHT  S winds 5 to 10 kt. Gusts up to 20 kt in the evening.  Waves 1 ft.  FRI  SW winds 5 kt. Waves less than 1 ft.  FRI NIGHT  SW winds 5 kt. Waves less than 1 ft.  SAT  SW winds 5 kt. Waves less than 1 ft. A chance of showers and  tstms.  SUN  NW winds around 5 kt. Waves 1 ft or less. A chance of showers  and tstms in the afternoon. Showers likely with a chance of tstms  through the night.    Winds and waves higher and visibilities lower in and near tstms.    $$