NDBC GRMM4 · Coastal station · Great Lakes

Grand Marais, MI

46°41.0′N 085°58.3′W

Reading the station's spectra from NDBC…

At the shore, at this coastline's 1:10m scale 127 km W of Sault Ste. Marie Coastline: Natural Earth · places: GeoNames

A simulation of the sea at this station, 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 30 days

What the station reports

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