Severe Severe Storm ● Closed
Special Marine Warning — Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays; Huron Islands to Marquette MI; Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5N
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 August 7 at 6:30PM EDT until August 7 at 7:00PM EDT by NWS Marquette MI
Measurements
| Coordinates | 47.0150, -87.6300 |
|---|---|
| Region | Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays; Huron Islands to Marquette MI; La |
| Expires | 2026-08-07T19:00:00-04:00 |
| 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.
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Source updated 73 days ago (Aug 7, 2026 22:58 UTC) · we last heard from US National Weather Service 14 seconds ago
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