Special Marine Warning for 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
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
The affected areas were... 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... The thunderstorm has weakened and no longer poses a significant threat to boaters.
What the bulletin says to do
No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.
Lifecycle record
Official revisions
- Update
Special Marine Warning issued July 26 at 9:05PM EDT until July 26 at 9:15PM EDT by NWS Marquette MI
Official revision - Update
Special Marine Warning issued July 26 at 8:49PM EDT until July 26 at 9:15PM EDT by NWS Marquette MI
Official revision - Alert
Special Marine Warning issued July 26 at 8:18PM EDT until July 26 at 9:15PM EDT by NWS Marquette MI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Marquette MI. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Update
- Last collected