Find official U.S. nautical charts, navigation tools, and maritime data from NOAA’s Office of Coast Survey for safe and informed marine travel.
Access free official U.S. nautical charts online
NOAA’s Office of Coast Survey website is your go-to source for official U.S. nautical charts and navigation resources. Whether you’re planning a voyage, updating your marine navigation tools, or just curious about nautical mapping, you’ll find a wide selection of free, authoritative charts and data.
You can easily browse, view, and download the latest charts, explore historical maps, and access specialized tools like the custom chart app and chart locator. The site also offers helpful publications, chart updates, and guidance on chart carriage requirements, making it valuable for both recreational boaters and professional mariners.
Designed and maintained by a trusted U.S. government agency, this site ensures you have reliable, up-to-date information for safe and informed marine travel. If you need support, you’ll find clear contact options and plenty of learning resources right at your fingertips.
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