Special Marine Warning Issued for Detroit River and Lake St. Clair
This alert is no longer in effect.
NOAA issued it on July 4, 2026, 7 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 Detroit/Pontiac has issued a Special Marine Warning for the Detroit River and Lake St. Clair Open Lake until 7:45 PM EDT due to strong thunderstorms producing wind gusts of 34 knots or greater and small hail.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Detroit River and Lake St. Clair
- Issued
- July 4, 2026
- Issuing authority
- NWS Detroit/Pontiac 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 7 weeks ago; use the issuing agency's live warning service for current conditions in Detroit River and Lake St. Clair.
Alert Details
Special Marine Warning issued by NWS Detroit/Pontiac MI (NOAA). Effective from 6:48 PM EDT June 10, 2026, until 7:45 PM EDT June 10, 2026.
Affected Areas
Detroit River and Lake St. Clair Open Lake (U.S. Portion). Strong thunderstorms will impact The Ambassador Bridge, Wyandotte, Belle Isle around 6:55 PM EDT, Grosse Pointe around 7:05 PM EDT, and St. Clair Shores around 7:15 PM EDT. Other locations impacted include Gibraltar.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
At 6:47 PM EDT, strong thunderstorms were located along a line extending from near The Ambassador Bridge to near Wyandotte, moving east at 20 knots. Hazards include wind gusts 34 knots or greater and small hail. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
Alert in effect from 6:48 PM EDT to 7:45 PM EDT on June 10, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (920 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 4, 2026.
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