NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ500-220900-  657 PM EST Wed Jan 21 2026      .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...    A cold front will cross the region Thursday afternoon with a second  stronger one Friday afternoon. Arctic high pressure will build  across the Midwest, Great Lakes and Northeast this weekend as low  pressure develops and lifts up from the south. Small Craft  Advisories will likely be needed Friday into the weekend. Gale  conditions are possible across the southern waters late Friday  night.    $$
   ANZ540-220900-  Eastern Bay-  657 PM EST Wed Jan 21 2026    SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY    TONIGHT  S winds 15 kt with gusts to 20 kt. Waves 2 ft.  THU  SW winds 10 to 15 kt...becoming NW 5 to 10 kt late. Waves  1 to 2 ft.  THU NIGHT  NW winds 5 kt. Waves less than 1 ft.  FRI  NW winds 5 kt...becoming W 10 to 15 kt in the afternoon.  Waves 1 ft or less.  FRI NIGHT  NW winds 20 to 25 kt. Waves 2 ft. A chance of light  freezing spray.  SAT  N winds 15 to 20 kt...diminishing to 5 to 10 kt in the  afternoon. Waves 1 to 2 ft. A chance of snow.  SAT NIGHT  NE winds 5 to 10 kt...increasing to 15 to 20 kt after  midnight. Waves 1 to 2 ft. Snow. A chance of light freezing spray.  SUN  N winds 15 to 20 kt. Waves 1 to 2 ft. Snow.  MON  NW winds 15 to 20 kt. Waves 2 ft. A chance of snow in the  morning.    $$