Lakeshore Flood Advisory

Locations Affected

Copper City, MI ∙ K. I. Sawyer, MI ∙ Lake Michigamme, MI ∙ Chatham, MI ∙ Keweenaw Point, MI ∙ Au Sable Point, MI ∙ Isle Royale National Park, MI ∙ Princeton, MI ∙ Central, MI ∙ Deerton, MI

Full Alert Message

Lakeshore Hazard Message National Weather Service Marquette MI 318 PM EST Wed Dec 17 2025 ...LAKESHORE FLOOD ADVISORY IN EFFECT FROM 1 AM TO NOON EST FRIDAY... * WHAT...Minor lakeshore flooding expected. * WHERE...Marquette and Alger Counties. * WHEN...From 1 AM to noon EST Friday. * IMPACTS...Some water on low lying roads and property along the lakeshore. PRECAUTIONARY/PREPAREDNESS ACTIONS... Residents on or near the shore should take appropriate action to protect property from rising water levels.

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