Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 9 June 2026 at 00:30 UTC. It is kept here as a record.
No stronger detection stands among the 33 recorded within 20 km of this point since 10 March 2026 — 25 others scored the same. The last comparable one was on 6 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 8 at 6:39PM CDT until June 8 at 7:30PM CDT by NWS Milwaukee/Sullivan WI
Nearby, since 10 March 2026
- July 3, 2026 · score 22 · 4.5 km
- July 27, 2026 · score 22 · 6.5 km
- June 6, 2026 · score 22 · 10.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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 |
| Our confidence | 60% |
| Coordinates | 42.4600, -86.9591 |
| Nearest City | Zion (71 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-08T23:39:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.64b57e859e8e922110d00e5b89945324 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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; St Joseph to South Haven MI; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake |
| Headline | Special Marine Warning issued June 8 at 6:39PM CDT until June 8 at 7:30PM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-06-08T19:30:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.64b57e859e8e922110d00e5b8994532442c37d2b.001.1","noaa_urn:oid:2.49.0.1.840.0.e195f37fb8a9bc91d9d38961dfe6842e94c9b8ab.001.1"] |
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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