NDBC PRIM4 · Coastal station · Great Lakes

Presque Isle Light, MI

45°21.4′N 083°29.5′W

Reading the station's spectra from NDBC…

At the shore, at this coastline's 1:10m scale 18 nmi N of Alpena 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 48 hours

What the station reports

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