NDBC 45216 · Buoy · Great Lakes

Ontonagon, MI

46°54.4′N 089°21.2′W · 19 m deep

Reading the buoy's spectra from NDBC…

Nearest shore 2 nmi SSE, 154°T 89 nmi S of Thunder Bay Coastline: Natural Earth · places: GeoNames

A simulation of the sea at this buoy, built from its wave measurements. The wave heights, periods and directions are real; the exact position of each crest is not. How it is made

This page is drawn by script. The CSV and JSON downloads have every observation.

Every measurement · last 3 months

What the buoy reports

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