Bluegraph
SIMarineUS

NDBC 45216 · Buoy · Great Lakes

Ontonagon, MI

46°54.4′N 089°21.2′W · 62 ft deep

Reading the buoy's spectra from NDBC…

5 mi 10 mi 46°50′N 46°55′N 47°N 89°30′W 89°15′W Ontonagon N ↑
Nearest shore 2 mi SSE, 154°T 102 mi 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

Every measurement · last 7 days

What the buoy reports