NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ500-202000-  1058 AM EDT Sun Sep 20 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    A warm front will lift northward through the area today, before a  cold front moves through tonight. A strong area of high pressure  will build to our north tomorrow and remain in place through much of  the week, leading to a prolonged period of onshore flow. Small  Craft Advisories will likely be needed for much of the Monday  through Thursday time period, and a few low-end Gale gusts can't be  ruled out on Tuesday or Wednesday.    $$
   ANZ543-202000-  Tangier Sound and the inland waters surrounding Bloodsworth Island-  1058 AM EDT Sun Sep 20 2026    SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON  SMALL CRAFT ADVISORY IN EFFECT MONDAY MORNING    REST OF TODAY  S winds 15 kt with gusts to 20 kt. Waves 1 to 2 ft.  TONIGHT  S winds 10 to 15 kt...becoming W 5 to 10 kt after  midnight. Waves 1 to 2 ft. A chance of showers.  MON  NE winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 ft.  MON NIGHT  E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to  2 ft. A chance of showers.  TUE  NE winds 15 to 20 kt. Gusts up to 25 kt in the afternoon.  Waves 1 to 2 ft. Showers likely.  TUE NIGHT  NE winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A  chance of showers and tstms.  WED  NE winds 20 to 25 kt. Waves 3 ft. A chance of tstms in the  morning. A chance of showers.  THU  NE winds 20 to 25 kt. Waves 3 ft. A chance of showers.    Winds and waves higher and visibilities lower in and near tstms.    $$