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Special Marine Warning

Active

St Joseph to South Haven MI; South Haven to Holland MI; Holland to Grand Haven MI; Grand Haven to Whitehall MI; Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake

Status In Progress Started about 2 hours ago
Ends
Issued
Severity Severe
Urgency Immediate
Certainty Likely

Details

SMWGRR
The National Weather Service in Grand Rapids has issued a
* Special Marine Warning for... Nearshore and Open Waters from St Joseph to Whitehall MI...
* Until 300 PM EDT.
* At 1259 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 26 nm east of Sheboygan to 28 nm east of Winthrop Harbor to 12 nm south of Midway Airport, moving southeast at 55 knots.
HAZARD...Waterspouts, wind gusts to nearly 50 knots, and large hail.
SOURCE...Radar.
IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage.
* Locations impacted include... South Haven Light, St. Joseph Light, White Lake Pier Heads, Holland Light, The White Lake Pierheads, Grand Haven Light, Muskegon Light, and St. Joseph.
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