wave observation
NOAA National Data Buoy Center
The National Data Buoy Center publishes marine observations from NOAA stations, including significant wave height, period and direction.
Official source260
active buoys
significant wave height, wave period, wave direction
Measured variables
Near real time; cadence varies by station
Update cadence
Provenance and attribution
License and terms
U.S. Government Work
U.S. Government WorkOfficial termsGeographic coverage
United States coastal waters, the Great Lakes and offshore areas
Buoy coverage map
Explore Our Buoy Network
Real-time ocean data from 17 buoys across France, Spain, Portugal, UK, and Ireland
17 Active Buoys
Color = wave height