Severe Severe Storm ● Closed
Special Marine Warning — Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore
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 26 at 6:32PM EDT until July 26 at 7:15PM EDT by NWS Marquette MI
Measurements
| Coordinates | 47.6317, -86.9383 |
|---|---|
| Region | Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore |
| Expires | 2026-07-26T19:15:00-04:00 |
| 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.
View original reportThis event as JSON · API and licence
Source updated 85 days ago (Jul 26, 2026 22:58 UTC) · we last heard from US National Weather Service 13 seconds ago
On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →Nearby & related events
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.