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The nation's ocean and coastal agency: Supporting coastal communities, promoting a robust economy, and protecting coastal and marine ecosystems
screen shot of NOAA sea level rise viewer a platypus in extreme close-up oyster reef  water level differences for storm surge, storm tide, and a normal (predicted) high tide as compared to sea level
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OCEAN FACT
What is bombogenesis?

Bombogenesis, a popular term used by meteorologists, occurs when a midlatitude cyclone rapidly intensifies, dropping at least 24 millibars over 24 hours.

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AUDIO PODCAST
Making Waves

A NOAA "shipwreck detective" talks about a two-year study to locate and document shipwrecks in Gulf of the Farallones National Marine Sanctuary and the surrounding area.

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About NOS

The National Ocean Service (NOS) translates 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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Miami coastline

Coasts

Supporting healthy, resilient coastal communities.

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Midway Atoll

Oceans

Protecting the health, productivity, and diversity of our ocean.

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NOAA Coast Survey vessel

Navigation

Navigation, tides, currents, and geodesy.

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