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Ended official alertUpdated

Marine Weather Statement for Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Wilmette Harbor to Michigan City in 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
Minor
Official urgency
Expected
Official certainty
Observed

What is happening

The areas affected include... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 757 PM CDT, Doppler radar indicated scattered strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located rougly 5 to 15 nm northeast and east of Wilmette Harbor, moving...

What the bulletin says to do

Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes.

Full official description

Bulletin details

The areas affected include... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 757 PM CDT, Doppler radar indicated scattered strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located rougly 5 to 15 nm northeast and east of Wilmette Harbor, moving east at 15 knots.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Marine Weather Statement issued August 7 at 7:59PM CDT by NWS Chicago IL

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Chicago IL. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections