NDBC 45004 · Buoy · Great Lakes

East Superior

47°35.0′N 086°35.2′W · 237 m deep

Reading the buoy's spectra from NDBC…

Nearest shore 27 nmi ENE, 069°T 71 nmi NNE of Marquette 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 2 weeks

What the buoy reports

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