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Ended official alertUpdated

Special Marine Warning for Seul Choix Point to 5NM West of Mackinac Bridge; Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore

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

For the following areas... Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore... Seul Choix Point to 5NM West of Mackinac Bridge... At 900 PM EDT, a strong thunderstorm was located near Beaver Island, moving east at 30...

What the bulletin says to do

Move to safe harbor until hazardous weather passes.

Read official NWS bulletin

Full official description

Bulletin details

For the following areas... Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore... Seul Choix Point to 5NM West of Mackinac Bridge... At 900 PM EDT, a strong thunderstorm was located near Beaver Island, moving east at 30 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. The strong thunderstorm will be near... Beaver Island around 905 PM EDT.

Lifecycle record

Official revisions

3 captured
  1. Update

    Special Marine Warning issued July 20 at 9:00PM EDT until July 20 at 9:30PM EDT by NWS Gaylord MI

    Official revision
  2. Update

    Special Marine Warning issued July 20 at 8:30PM EDT until July 20 at 9:30PM EDT by NWS Gaylord MI

    Official revision
  3. Alert

    Special Marine Warning issued July 20 at 8:02PM EDT until July 20 at 9:30PM EDT by NWS Gaylord MI

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Gaylord 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