U.S. flag An official website of the United States government.

dot gov icon Official websites use .gov

A .gov website belongs to an official government organization in the United States.

https icon Secure websites use HTTPS

A small lock or https:// means you’ve safely connected to a .gov website. Share sensitive information only on official, secure websites.

international icon - a globe with a steering wheel

International Collaboration

Explore our efforts with partners around the world to protect our natural resources, coastal communities, and economy.

People remove marine debris floating in Hong Kong.
Turtle and bleached coral on Heron Island, Australia. Credit: XL Catlin Seaview Survey
3D shipwreck of submarine in North Carolina
OMNS and NMPA center logos
Ocean observing system
image displaying the resulting tilting of the region as determined by high accuracy GPS measurements in units of mm/year. Credit: M. Craymer and C. Wisotzkey, 2021.
Map of HAB study area in the Celtic Sea. In situ sample locations are noted as points and the polygon location for the particle tracking model is outlined by the black line.
A salt marsh. Salt marches provide essential habitat for healthy fisheries while protecting shorelines from erosion by buffering wave action and trapping sediments.
The UNESCO building in Paris, France.