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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
Danger Zones and Restricted Areas
National Oceanic and Atmospheric Administration, Department of Commerce —
These data represent the location of Danger Zones and Restricted Areas within coastal and marine waters, as outlined by the Code of Federal Regulations (CFR) and the... -
Federal
Vessel Routing Measures
National Oceanic and Atmospheric Administration, Department of Commerce —
These data show the boundaries for select vessel routing measures in U.S. waters. These measures are part of an international ships routing system established by the... -
Federal
Significant Wave Height and Direction
National Oceanic and Atmospheric Administration, Department of Commerce —
Significant wave height is a spectrally derived time-series, which is the average of the highest third of the waves in a random seaway and roughly corresponds to the... -
Federal
Nationwide Automatic Identification System 2024
National Oceanic and Atmospheric Administration, Department of Commerce —
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and... -
Federal
AIS Vessel Transit Counts 2023
National Oceanic and Atmospheric Administration, Department of Commerce —
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and... -
Federal
Critical Habitat by USFWS
National Oceanic and Atmospheric Administration, Department of Commerce —
When a species is proposed for listing as endangered or threatened under the Endangered Species Act, the U.S. Fish and Wildlife Service must consider whether there... -
Federal
Light Attenuation Kd490
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset represents monthly and annual mean summaries for Kd490 for the time period from 2000/2001 to 2017/2018, depending on the month and data available (see... -
Federal
Ecological Marine Units: Nutrients
National Oceanic and Atmospheric Administration, Department of Commerce —
A compilation of ocean nutrient (nitrate, phosphate, and silicate concentrations) data at ¼ degree spatial resolution for the entire United States Exclusive Economic... -
Federal
Offshore State Lateral Boundaries
National Oceanic and Atmospheric Administration, Department of Commerce —
Offshore state lateral boundaries define part of the geographic extent of the submerged lands that a state holds and manages in the public trust. Well-defined... -
Federal
North Atlantic Right Whale Seasonal Management Areas
National Oceanic and Atmospheric Administration, Department of Commerce —
These data represent Seasonal Management Area locations where regulations implement speed restrictions in shipping areas at certain times of the year along the coast...