Bluegraph
SIMarineUS

NDBC 45211 · Buoy · Great Lakes

Grand Island North, MI

46°58.4′N 086°34.1′W · 525 ft deep

Reading the buoy's spectra from NDBC…

Wave intelligence
20 mi 40 mi 60 mi 46°30′N 47°N 47°30′N 88°W 86°W Marquette N ↑
Nearest shore 28 mi SE, 143°T 49 mi NE 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

Every measurement · last 48 hours

What the buoy reports