Conditions
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
Grand Mere Rocks lies along the eastern shore of Lake Michigan near Grand Mere State Park, in Berrien County, close to the town of Stevensville. This stretch of shoreline is known for its dune-backed coast and rocky lakebed features along the freshwater lake, with a rock wall formation that draws divers to the area. Divers have reported eagle rays and hammerhead sharks here, though these are unusual sightings for a freshwater Great Lakes site and worth treating with some skepticism.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Eagle rayEagle rayReported here · unconfirmed
Hammerhead sharkHammerhead sharkReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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