National Ocean Service
Answers to your questions about our oceans and coasts.
Why do we have spring tides in the fall?
What is 'Old Sow'?
What is a perigean spring tide?
Where do I get NOAA tides and currents data?
What is an eddy?
Why is data on currents important?
What is the Loop Current?
How do we measure currents?
What is a turbidity current?
Who first charted the Gulf Stream?
What is a rip current?
What is a current?
How fast is the Gulf Stream?
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