Chart Locator

Download Nautical Charts and ENCs

Coast Survey Blog

Read about Coast Survey's Adventures

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Chart Viewers
Chart Viewers
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Services & Publications
auv launch
auv launch
NOAA's Office of Coast Survey

We are the nation's nautical chart-maker. We are responsible for upgrading charts, surveying the seafloor, responding to maritime emergencies, and searching for underwater obstructions that pose a danger to navigation.