Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, 7 km from here.
This alert expired on 29 June 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 36 recorded within 20 km of this point since 16 March 2026 — 27 others scored the same. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 29 at 5:23PM CDT until June 29 at 6:00PM CDT by NWS Duluth MN
Nearby, since 16 March 2026
- July 27, 2026 · score 22 · 15.1 km
- June 29, 2026 · score 22 · 18.1 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Legacy data-support index | 0.69/1 |
| Coordinates | 46.7947, -89.6529 |
| Nearest City | Marquette (174 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-29T22:23:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.cfe3cb31222baaf7fa129ea1f3f0e7b1 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-29T22:23:00.000Z.
First archived: 2026-06-29T22:37:44.653Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Oak Point to Saxon Harbor WI; Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM; Upper Entrance of Portage Canal to Eagle River MI; Manitou Island to Point Isabelle MI; Point Isabelle to Lower Entrance of Portage Canal MI; 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 5NM from shore; Saxon Harbor WI to Black River MI; Black River To Ontonagon MI; Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park |
| Headline | Special Marine Warning issued June 29 at 5:23PM CDT until June 29 at 6:00PM CDT by NWS Duluth MN |
| Expires | 2026-06-29T18:00:00-05:00 |
| SenderName | NWS Duluth MN |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.cfe3cb31222baaf7fa129ea1f3f0e7b14dff8428.001.1","noaa_urn:oid:2.49.0.1.840.0.3056de054e23187cacc2533b179c48b0be9113c9.001.1","noaa_urn:oid:2.49.0.1.840.0.dc7adb4c390f7d35a15d3be72400027c5346f61d.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 54 |
| Iem Unit | MPH |
| Iem City | 1 W Wakefield |
| Iem County | Gogebic |
| Iem State | MI |
| Iem Wfo | MQT |
| Iem Remark | MI-01 Wakefield. |
| MergedSources | [{"id":"iem_M_46.560_-90.440_1782765600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782765600000,"latitude":46.56,"longitude":-90.44},{"id":"iem_G_46.520_-90.120_1782766860000","source":"iem","severity":"low","severityValue":25,"timestamp":1782766860000,"latitude":46.52,"longitude":-90.12},{"id":"iem_G_46.480_-89.950_1782767040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782767040000,"latitude":46.48,"longitude":-89.95}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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