The Triton


HF radar lets mariners see tidal currents


A new NOAA National Ocean Service website will provide mariners near real-time coastal ocean surface current observations and tidal current predictions in coastal waters using high frequency (HF) radar.


The web-based observations are now available for the Chesapeake and San Francisco bays in areas vital for marine navigation, with additional locations to follow, NOAA said in a statement.


HF radars can measure currents from a few miles offshore up to 125 miles out, and can operate under any weather conditions.


“This is an excellent example of taking the environmental data that the U.S. Integrated Ocean Observing System collects, and putting that information into the hands of people who need it,” said Zdenka Willis, director of the NOAA-led IOOS program.


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