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Federal
EMAG2v3: Earth Magnetic Anomaly Grid (2-arc-minute resolution)
National Oceanic and Atmospheric Administration, Department of Commerce —
EMAG2v3 is a global Earth Magnetic Anomaly Grid compiled from satellite, ship, and airborne magnetic measurements. It is a significant update of the previous release... -
Federal
Maritime Limits and Boundaries of United States of America NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile... -
Federal
Shipping Fairways, Lanes, and Zones for US waters
National Oceanic and Atmospheric Administration, Department of Commerce —
Various shipping zones delineate activities and regulations for marine vessel traffic. Traffic lanes define specific traffic flow, while traffic separation zones... -
Federal
Kelp distribution off California
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set delineates kelp beds (Nereocystis leutkeana and Macrocystis spp.) along the Pacific Coast of California. Multiple years of kelp mapping data for the... -
Federal
Congressional Districts
National Oceanic and Atmospheric Administration, Department of Commerce —
These data depict the 117th Congressional Districts and their representatives for the United States. Congressional districts are the 435 areas from which members are... -
Federal
Coastal Zone Management Act Boundary
National Oceanic and Atmospheric Administration, Department of Commerce —
These data represent the extent of the nation's coastal zone, as defined by the individual states and territories under the Coastal Zone Management Act of 1972... -
Federal
Offshore Oil and Gas Platforms
National Oceanic and Atmospheric Administration, Department of Commerce —
These data show the location for oil and gas platforms located in the state and federal waters of the United States. Generally, this data set does not show platforms... -
Federal
Time-Series Data on the Ocean and Great Lakes Economy for Counties, States, and the Nation between 2005 and 2019 (Sector Level)
National Oceanic and Atmospheric Administration, Department of Commerce —
Economics: National Ocean Watch (ENOW) contains annual time-series data for over 400 coastal counties, 30 coastal states, 8 regions, and the nation, derived from the... -
Federal
NOAA/WDS Paleoclimatology - The International Tree-Ring Data Bank (ITRDB) Revisited
National Oceanic and Atmospheric Administration, Department of Commerce —
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for... -
Federal
Blueways and Paddle Trails Along the United States Gulf of Mexico Coast
National Oceanic and Atmospheric Administration, Department of Commerce —
This feature layer shows locations of existing blueways and paddle trailheads along the US Gulf of Mexico coast. Information about trail locations, length,... -
Federal
2025 Oregon II 356 Hypoxia Watch Bottom Dissolved Oxygen Contours
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA Hypoxia Watch project provides near-real-time, web-based maps of dissolved oxygen near the sea floor over the Texas-Louisiana continental shelf during a... -
Federal
Delaware Bay Upper Shelf Bottom Sediments 2008-2010
National Oceanic and Atmospheric Administration, Department of Commerce —
The Coastal Program of Delaware's Division of Soil and Water conservation (DNREC), the University of Delaware, Partnership for the Delaware Estuary, and the New... -
Federal
Archival and Discovery of May 22, 1960 Tsunami Event on Marigrams
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA National Centers for Environmental Information have more than 3,000 tsunami marigram (tide gauge) records in both image and paper format. The majority of these...
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