NWS Marine Forecast

   ANZ500-221715-  1203 AM EDT Wed Jul 22 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    A cold front will slowly push through the waters tonight into  Wednesday. High pressure will build in from the west Thursday and  Friday. Special Marine Warnings for strong to severe thunderstorms  are likely this afternoon and evening. Small Craft Advisories will  likely be needed late Wednesday night through Thursday morning.    $$

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   ANZ539-221715-  Chester River to Queenstown MD-  1203 AM EDT Wed Jul 22 2026    SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING    OVERNIGHT  SW winds 15 kt with gusts to 25 kt. Waves 2 ft.  Numerous showers and scattered tstms.  WED  SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers  likely.  WED NIGHT  W winds 10 kt...becoming N after midnight. Gusts up to  20 kt. Waves 1 to 2 ft. A chance of showers.  THU  N winds 10 to 15 kt. Gusts up to 25 kt in the morning. Waves  1 to 2 ft.  THU NIGHT  E winds 5 to 10 kt. Waves 1 ft.  FRI  E winds 10 kt. Waves 1 ft.  FRI NIGHT  E winds 5 to 10 kt. Waves 1 ft or less.  SAT  E winds around 5 kt. Waves 1 ft or less.  SUN  S winds 5 kt. Waves less than 1 ft. A chance of showers  through the night.    Winds and waves higher and visibilities lower in and near tstms.    $$