NOAA's National Ocean Service

An official website of the United States government.
Here's how you know we're official.

A .gov website belongs to an official government organization in the United States.

A small lock or https:// means you’ve safely connected to a .gov website. Share sensitive information only on official, secure websites.

The expanded Coastal Ocean Reanalysis modeled dataset now includes the U.S. West Coast, Hawaii, and Southern Alaska.

Coastal Data

Read about the size and scope of the businesses that support observation, measurement, and forecasting of the ocean.

Observing

Discover how Kelvin waves are different from other types of ocean waves, and how they can form as a result of El Niño.

Ocean Science

The National Geodetic Survey is collecting aerial damage assessment images in the aftermath of Hurricane Isaias.

New cooperative agreements will enable U.S. IOOS regional associations to operate regional coastal observing systems throughout U.S. waters.

NOAA is seeking stakeholder evaluation and feedback from members of the geospatial community.

NOAA’s National Ocean Service