Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY.
Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. Weak high pressure will build back across the area through tonight. A stronger cold front crosses the waters late Sunday into early Monday. A strong area of Canadian high pressure builds over the region on late Monday into Tuesday. Another clipper-like system moves through the area by mid-week. Small Craft Advisories will likely be needed late SUnday into Monday, and again Tuesday through Wednesday.