NDBC 45198 · Buoy · Great Lakes

Chicago, IL

41°53.5′N 087°33.8′W · 9 m deep

Reading the buoy's spectra from NDBC…

Nearest shore 4 km WSW, 256°T 9 km ENE of Chicago 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 48 hours

What the buoy reports

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