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Special Marine Warning for Seul Choix Point to Point Detour MI; Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake

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 from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake... Seul Choix Point to Point Detour MI... At 923 PM EDT, strong thunderstorms were located along a line extending from 7 nm southeast of Point Patterson to 10 nm northwest of Beaver Island to 23 nm...

What the bulletin says to do

A Tornado Watch remains in effect until midnight EDT for east central Upper Michigan...and the adjacent waters of Lake Michigan. Move to safe harbor until hazardous weather passes.

Read official NWS bulletin

Full official description

Bulletin details

For the following areas... Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake... Seul Choix Point to Point Detour MI... At 923 PM EDT, strong thunderstorms were located along a line extending from 7 nm southeast of Point Patterson to 10 nm northwest of Beaver Island to 23 nm northwest of South Fox Island, moving southeast at 50 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. Strong thunderstorms will remain over mainly open waters.

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued July 20 at 9:24PM EDT until July 20 at 10:00PM EDT by NWS Marquette MI

    Official revision
  2. Alert

    Special Marine Warning issued July 20 at 8:28PM EDT until July 20 at 10:00PM 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