Special Marine Warning Issued for St Joseph to South Haven MI
This alert is no longer in effect.
NOAA issued it on June 29, 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 Grand Rapids has issued a Special Marine Warning for nearshore and open waters from St Joseph to South Haven MI until 8:30 PM EDT due to strong thunderstorms producing wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Southwest Michigan
- Issued
- June 29, 2026
- Issuing authority
- NWS Grand Rapids 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 Southwest Michigan.
Alert Details
Special Marine Warning issued by NWS Grand Rapids MI. Effective from 2026-06-08T19:03:00-04:00 until 2026-06-08T20:30:00-04:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
St Joseph to South Haven MI; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake. Locations impacted include South Haven Light, St. Joseph Light, and St. Joseph.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected.
Expected Conditions
At 7:03 PM EDT, strong thunderstorms were located along a line extending from 26 nm east of Wilmette Harbor to 15 nm west of St. Joseph Light to 8 nm northeast of New Buffalo, moving north at 15 knots. Hazard: Wind gusts 34 knots or greater. Impact: Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
Alert effective June 8, 2026 from 7:03 PM EDT to 8:30 PM EDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →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.
Similar body length
Nearest notices by article body length (930 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 29, 2026.
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