Bluegraph
SIMarineUS

NDBC DULM5 · Tide gauge · Great Lakes

Duluth, MN

46°46.5′N 092°05.5′W

Reading the gauge's spectra from NDBC…

5 nmi 10 nmi 46°40′N 46°45′N 46°50′N 92°15′W 92°W Superior Hermantown Proctor Arnold N ↑
At the shore, at this coastline's 1:10m scale 1 nmi SE of Duluth Coastline: Natural Earth · places: GeoNames

A simulation of the sea at this gauge, 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 gauge reports