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
Three Oaks Recreation Area is a park in Cary, Illinois, in the northeast part of the state along the Fox River region of McHenry County. It includes a quarry lake that is used for recreational diving by local clubs and training operators.
AI overviewDurable 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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