Marine Glossary
Course Over Ground (COG)
The actual direction the boat is moving over the earth's surface, accounting for wind, current, and leeway. Differs from heading.
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Guides6mHow to Read a NOAA Chart: A Practical Guide for New Boaters
Paper charts aren't dead. Learn the 12 symbols every coastal boater must know, how to interpret depth contours, and why your chartplotter can lie.
Captain Marcus Reedupd