Special Marine Warning Issued for Lake Huron Near Mackinac Bridge

Source: NOAA · Northern Michigan Waters

This alert is no longer in effect.

NOAA issued it on July 10, 2026, 6 weeks 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.

NWS Gaylord MI has issued a Special Marine Warning for waters east of Mackinac Bridge to Sturgeon Point including Bois Blanc Island and Thunder Bay National Marine Sanctuary until noon EDT.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Northern Michigan Waters
Issued
July 10, 2026
Issuing authority
NWS Gaylord MI

Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.

Record status: historical. It was issued 6 weeks ago; use the issuing agency's live warning service for current conditions in Northern Michigan Waters.

Alert Details

Special Marine Warning issued by NWS Gaylord MI. Effective from 11:20 AM EDT June 13, 2026 until 12:00 PM EDT June 13, 2026.

Affected Areas

5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island; Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary. Locations impacted include Rogers City, Observatory Point, Presque Isle Light, Forty Mile Point, and Adams Point.

What You Should Do

Move to safe harbor until hazardous weather passes.

Expected Conditions

At 11:20 AM EDT, a strong thunderstorm located 11 nm southwest of Hammond Bay moving east at 50 knots. Hazard includes wind gusts 34 knots or greater and small hail.

Timeline

Alert effective immediately on June 13, 2026 at 11:20 AM EDT and expires at 12:00 PM EDT the same day.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Gaylord MI has issued a Special Marine Warning for waters east of Mackinac Bridge to Sturgeon Point including Bois Blanc Island and Thunder Bay National Marine Sanctuary until noon EDT.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northern Michigan Waters. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.