The nation's ocean and coastal agency: Supporting coastal communities, promoting a robust economy, and protecting coastal and marine ecosystems
bleached coral nowcoast screenshot Left: Mallows Bay (Photo: Don Shomette). Right: A diver swims over the  Walter B. Allen. coral reef and fish
High Seas Forecast map example
What is a High Seas Forecast?

The National Weather Service provides High Seas Forecasts for large areas of the U.S. Atlantic and Pacific oceans, as well as for U.S. coastal areas and the Great Lakes.

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NOAA geodesist Steve Breidenbach holds a vertical leveling rod on top of a geodetic marker in the floor of a laboratory that contains several atomic clocks at the National Institute of Standards and Technology in Boulder, Colorado.
Geodesy & Atomic Clocks

What do gravity, height, the shape of the earth, and atomic clocks have to do with each other? We talk with a scientist from the National Geodetic Survey to find out.

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About NOS

We translate science, tools, and services into action to address threats to coastal areas such as climate change, population growth, port congestion, and contaminants in the environment—all working towards healthy coasts and healthy economies.

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Channel Islands Sanctuary lighthouse with Every Kid in a Park logo

Every Kid in a Park

Every Kid in a Park is a federal government effort to get every fourth grader in the nation into public lands and waters during the 2015/2016 school year.

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car driving through flooded street

Nuisance Flooding

"Nuisance" flooding—flooding that leads to public inconveniences such as road closures—are increasingly common as coastal sea levels rise.

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