This page provides a directory of other selected data sources and mapping tools for ocean planning in the region. Please note that the Northeast Ocean Data Working Group is not responsible for data integrity or operability of the resources presented on this page.

Maps and Tools


The Northeastern Regional Association of Coastal and Ocean Observing Systems (NERACOOS) provides real-time maps, forecasts, and historical data on ocean conditions.

The Environmental Response Management Application (ERMA) is a web-based GIS tool for emergency responders and environmental resource managers. ERMA integrates real-time and static datasets into a single interactive map.

The U.S. Atlantic Coast and Eastern Region Internet Map Server web page of the U.S. Geological Survey is a gateway to maps and data on high-resolution seafloor mapping, shoreline change, sediments, and other features.


Connecticut Environmental Conditions Online provides simple and advanced interactive map viewers with many types of data related to coastal resource management, along with aerial photographs.

The Maine Department of Marine Resources website has aerial photography and maps of aquaculture sites, eelgrass beds, lobster zones, shellfish closures, and other features.

The Massachusetts Ocean Resources Information System (MORIS) is an interactive map that can be used to find and display spatial data pertaining to the Massachusetts coastal zone.

The New York Geographic Information Gateway provides public access to data, interactive maps, real-time information, and expert knowledge relevant to the Office of Planning and Development’s activities throughout New York State.

The Rhode Island Ocean Special Area Management Program map has satellite images, nautical charts, and data on ocean uses, environmental characteristics, and administrative boundaries.

The Rhode Island Department of Environmental Management provides an interactive map with data on environmental resources, oil spill susceptibility, topography, and other parameters.


Ocean.Data.Gov is the National Ocean Council’s portal with a wide range of data, information, and tools to support people engaged in ocean and coastal planning.

MarineCadastre.gov provides authoritative and regularly updated ocean information including offshore boundaries, infrastructure, human uses, energy potential, and other data sets.

NOAA’s Digital Coast provides access to dozens of tools for data analysis, data visualization, and simulation in support of ocean and coastal planning.

The Wetlands Mapper displays wetland habitat data from the U.S. Fish and Wildlife Service.

Other Data Resources




Northeast Ocean Data provides data and maps for the Northeast Ocean Plan.