Severe Severe Storm ● Closed

Special Marine Warning — Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake; Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake

Event time: Jul 27, 2026 10:15 UTC Last updated: Sep 6, 2026 United States

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

Special Marine Warning issued July 27 at 5:15AM CDT until July 27 at 5:45AM CDT by NWS Milwaukee/Sullivan WI

Measurements

Coordinates	42.7300, -87.2700
Region	Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake; Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid
Expires	2026-07-27T05:45:00-05:00
Nws Urgency	Immediate
Nws Certainty	Likely

Official source

Weather alert data courtesy of NOAA / National Weather Service

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by US National Weather Service.

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This event as JSON · API and licence

Source updated 84 days ago (Jul 27, 2026 10:34 UTC) · we last heard from US National Weather Service 53 seconds ago

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Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.