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Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and international waters in real-time. In...
Search relevance: 1.00 | Views last month: 38 | Catalog Last Checked: August 02, 2026 at 11:50 PM -
A vessel track shows the location and characteristics of commercial and recreational boats as a sequence of positions transmitted by an Automatic Identification System (AIS). AIS signals are...
Search relevance: 1.00 | Views last month: 28 | Catalog Last Checked: August 02, 2026 at 11:51 PM -
A vessel track shows the location and characteristics of commercial and recreational boats as a sequence of positions transmitted by an Automatic Identification System (AIS). AIS signals are...
Search relevance: 1.00 | Views last month: 21 | Catalog Last Checked: August 02, 2026 at 11:49 PM -
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 Exclusive Economic Zone (EEZ)....
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: August 01, 2026 at 04:22 AM -
These data represent Next-Generation Radar (NEXRAD) and Terminal Doppler Weather Radar (TDWR) weather radar stations within the US. The NEXRAD radar stations are maintained and operated by the...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: August 02, 2026 at 11:41 PM -
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and international waters in real-time. In...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: August 02, 2026 at 11:49 PM -
This dataset summarizes annual vessel transit counts. Transit counts show how many times vessels pass through a specific 100-meter by 100-meter geographic area. The automatic identification...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 02, 2026 at 11:51 PM -
These data show the geographic representation of Federal and State Waters for the purpose of display in the MarineCadastre.gov OceanReports application. The boundary between state and federal...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 02, 2026 at 11:41 PM -
Munitions and explosives of concern (MEC) have been deposited on the seabed of the United States outer continental shelf since World War I. The bulk of these munitions have originated from the...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 02, 2026 at 11:47 PM -
These data represent federal and state lightering zones within U.S. waters. Lightering is the transfer of a cargo of oil in bulk from one oil tanker less than 150 gross tons to another oil tanker...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 02, 2026 at 11:46 PM -
A vessel track shows the location and characteristics of commercial and recreational boats as a sequence of positions transmitted by an Automatic Identification System (AIS). AIS signals are...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 02, 2026 at 11:47 PM -
A deepwater port is a fixed or floating man-made structure, or a group of structures, other than a vessel, located beyond State seaward boundaries and used or intended for use as a port or...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 02, 2026 at 11:41 PM -
Hurricanes and other tropical cyclones pose a high risk to people, property, and ecosystems along the coastline of the United States. The impact of these storms can cascade through the nation's...
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This algorithm returns the near-surface concentration of chlorophyll-a (chlor_a) in mg m-3, calculated using an empirical relationship derived from in situ measurements of chlor_a and remote...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 02, 2026 at 11:46 PM -
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and international waters in real-time. In...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 02, 2026 at 11:45 PM -
This feature class represents known electric power substations within the continental US and Puerto Rico that are located within 20 miles of the coastline. Substations are facilities and equipment...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 02, 2026 at 11:46 PM -
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 Raster Navigational Charts...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 02, 2026 at 11:40 PM -
These data represent operable electric generating plants within the vicinity of the U.S. coastline by energy source. This includes all plants that are operating, on standby, or short or long-term...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 02, 2026 at 11:46 PM -
The National Environmental Policy Act (NEPA) was the first major environmental law in the United States and established national environmental policies for the country. NEPA mandates federal...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 02, 2026 at 11:40 PM -
Flight Tracks are designated airspace used by aircraft in support of training requirements or national defense. The MarineCadastre.gov team worked with the Navy to provide this data, which is a...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 02, 2026 at 11:48 PM
