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Ended official alertUpdated

Special Marine Warning for Grand Marais to Whitefish Point MI; Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border

This alert has ended.Kept for recent context. Do not use it as a current warning.

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... Grand Marais to Whitefish Point MI... Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border... The thunderstorm has moved out of the area 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

2 captured
  1. Update

    Special Marine Warning issued July 27 at 12:36AM EDT until July 27 at 12:45AM EDT by NWS Marquette MI

    Official revision
  2. Alert

    Special Marine Warning issued July 27 at 12:09AM EDT until July 27 at 12:45AM 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
Methodology and corrections