NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   ANZ500-030800-  227 PM EDT Wed Sep 2 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    Scattered to numerous showers and thunderstorms are expected through  Friday in a hot and humid air mass. Special Marine Warnings may be  needed each afternoon through at least Friday for strong  thunderstorms moving over the waters. Small Craft Advisories may be  needed Friday night through Saturday.    $$
   ANZ539-030800-  Chester River to Queenstown MD-  227 PM EDT Wed Sep 2 2026    SEVERE THUNDERSTORM WATCH 643 IN EFFECT UNTIL 5 PM EDT THIS  AFTERNOON    THIS AFTERNOON  E winds 5 kt. Waves flat. Widespread showers and  scattered tstms.  TONIGHT  SE winds 5 to 10 kt. Waves 1 ft.  THU  SW winds 5 kt. Waves less than 1 ft. A chance of showers.  THU NIGHT  W winds 5 kt. Waves less than 1 ft. A chance of showers  and tstms.  FRI  NW winds 5 kt. Waves less than 1 ft. Showers likely with a  chance of tstms.  FRI NIGHT  NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.  SAT  N winds 5 to 10 kt. Waves 1 ft.  SUN  NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.      Winds and waves higher and visibilities lower in and near tstms.    $$