Privacy Policy

The Office of Coast Survey, as a part of NOAA’s National Ocean Service and the U.S. federal government, follows the National Ocean Service privacy policy regarding the information we collect about you when you visit this website. You can read the full privacy policy at

We are committed to the privacy of our visitors. We collect no personal information about you when you visit our website unless you choose to provide that information to us. If you do nothing during your visit but browse through the website, read pages, or download information, certain information about your visit is automatically collected and stored:

  • internet domain (for example, “” if you use a private Internet access account, or “” if you connect from a university’s domain);
  • IP address (an IP address is a number that is automatically assigned to your computer whenever you are surfing the web) from which you access our website;
  • date you access our site;
  • pages you visit; and
  • if you linked to our website from another website, the address of that website.

We use this information to help us make our site more useful to visitors—to learn about the number of visitors to our site and the types of technology our visitors use.