National Weather Service United States Department of Commerce

Coastal Marine Zone Forecasts by the Baltimore/Washington DC Forecast Office


Click on the links in the table below to get the coastal marine forecast for each zone. Clicking on the map links to a text forecast that includes all of the zones and a synopsis.


Zone Name Zone Name
ANZ530: Chesapeake Bay north of Pooles Island MD ANZ537: Tidal Potomac from Cobb Island MD to Smith Point VA
ANZ531: Chesapeake Bay from Pooles Island to Sandy Point MD ANZ538: Patapsco River including Baltimore Harbor
ANZ532: Chesapeake Bay from Sandy Point to North Beach MD ANZ539: Chester River to Queenstown MD
ANZ533: Chesapeake Bay from North Beach to Drum Point MD ANZ540: Eastern Bay
ANZ534: Chesapeake Bay from Drum Point MD to Smith Point VA ANZ541: Choptank River to Cambridge MD and the Little Choptank River
ANZ535: Tidal Potomac from Key Bridge to Indian Head MD ANZ542: Patuxent River to Broomes Island MD
ANZ536: Tidal Potomac from Indian Head to Cobb Island MD ANZ543: Tangier Sound and the inland waters surrounding Bloodsworth Island


map showing marine forecast zones near Washington, DC and Baltimore, MD

Coastal Waters Forecast which includes the synopsis and all these zones

Special Marine Warning(s) and Marine Weather Statement(s) for these zones

Marine Weather Message for these zones

Graphical Marine Forecasts are available here. Choose the map background and forecast element and zoom in to your area of interest.

Predicted Tides and Currents for these areas

Coastal Waters Forecasts are subdivided by zone, each identified by text description and a Universal Generic Code (UGC). The different colors used in the map above have no meaning and are only intended to assist in differentiating the zones.

These forecasts are also available via e-mail

NOTICE - Check time and date of forecasts. Linked data may not represent the latest forecast.

NWS Internet is available 24 hours a day, seven days a week . Timely delivery of data and products through the Internet is not guaranteed. Official NWS dissemination systems which can provide timely delivery of data and products are listed in our DISCLAIMER

Visit the Baltimore/Washington, DC Forecast Office which provides links to additional products as well as regionally focused information such as point-specific marine forecasts, predicted tides and buoy observations.

Text Interface Version of this page.