Lakeshore Flood Warning Issued for Ontonagon County; Waves Up to 25 Feet Expected
This alert is no longer in effect.
NOAA issued it on April 2, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
The National Weather Service has issued a Lakeshore Flood Warning for Ontonagon County, effective from Sunday night through Monday afternoon, as massive waves threaten the shoreline.
Read this weather record in 30 seconds
- Record type
- Lakeshore Flood Warning
- Affected area
- Ontonagon County, Michigan
- Issued
- April 2, 2026
- Issuing authority
- NWS Marquette
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Ontonagon County, Michigan.
Alert Details
The National Weather Service in Marquette, MI, has issued a Lakeshore Flood Warning for Ontonagon County. This alert indicates that significant lakeshore flooding is expected along the coast due to extreme wave action.
Affected Areas
The warning specifically covers Ontonagon County in Michigan. Residents in low-lying areas near the lake should be prepared for rising water levels.
What You Should Do
Residents and travelers in the affected area are advised to take the following precautions:
- Take necessary actions to protect flood-prone property immediately.
- If travel is required, allow extra time as some roads may be closed.
- Do not drive around barricades or through water of unknown depth.
- Avoid areas near the lake that are susceptible to inundation.
Expected Conditions
Significant lakeshore flooding is anticipated with wave heights of 15 to 25 feet possible. These conditions are expected to result in:
- Numerous road closures.
- Inundation of low-lying property, including parking lots, lawns, homes, and businesses near the lake.
- Shoreline erosion.
Timeline
The Lakeshore Flood Warning is in effect from 11:00 PM EDT Sunday, March 15, through 5:00 PM EDT Monday, March 16.
Original source: NOAA Official Notice ↗
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