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.

icon of binoculars

Ocean Observations

Explore our curated list of stories about the many ways we observe, monitor, and collect data about our ocean and coasts.

water floods a street
oil on a beach
Brown chromis (Chromis multilineata) and other small reef fish swim over large boulders of Great Star Coral (Montastraea cavernosa) in Flower Garden Banks National Marine Sanctuary.
Crew from the NOAA Ship Rainier assists in a current survey of waters near Sitka, Alaska
volunteers help clean up a beach
map view of the great lakes
View of the Environmental Data Server (EDS) map