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Active official alertUpdated

Marine Weather Statement for Gary to Burns Harbor IN; Burns Harbor to Michigan City IN; Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake +1 more

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Minor
Official urgency
Expected
Official certainty
Observed

What is happening

Lake effect showers are likely to develop and intensify this afternoon and continue into this evening with an isolated thunderstorm or two possible. Conditions will become quite favorable for waterspouts from mid afternoon into the early to mid evening hours over the offshore waters of southern Lake Michigan into...

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.

Full official description

Bulletin details

Lake effect showers are likely to develop and intensify this afternoon and continue into this evening with an isolated thunderstorm or two possible. Conditions will become quite favorable for waterspouts from mid afternoon into the early to mid evening hours over the offshore waters of southern Lake Michigan into the Indiana nearshore waters. Mariners are advised to stay alert for hazardous conditions and listen for later statement and possible warnings.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Marine Weather Statement issued October 16 at 3:39AM 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