NOAA Completing Tidal Current Survey Along Aleutians

Alexandra Gutierrez, KUCB – Unalaska

Tides and currents are controlled by the regular movement of the moon, but accurately predicting them isn’t always a straightforward task. Mariners rely on official tide tables and current maps to help them navigate tight passages and straights. In an effort to make these documents more accurate, the National Oceanic and Atmospheric Administration is completing a tidal current survey along the Aleutian chain – something that hasn’t been done in over half a century. 

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