Lakeshore Flood Warning

Full Alert Message

Lakeshore Hazard Message National Weather Service Marquette MI 246 PM EDT Sun Mar 15 2026 ...LAKESHORE FLOOD WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 11 PM EDT MONDAY... * WHAT...Significant lakeshore flooding expected with wave heights of 15 to 25 feet possible. * WHERE...Keweenaw and Northern Houghton Counties. * WHEN...From 8 PM this evening to 11 PM EDT Monday. * IMPACTS...Numerous roads closed and low lying property including parking lots, lawns, and homes and businesses will be inundated near the lake. Some shoreline erosion will occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.