Special Marine Warning for Burns Harbor to Michigan City IN; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake
Official alert fields
What you need to know
- Applies to
- Burns Harbor to Michigan City IN, Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
For the following areas... Nearshore Waters from Burns Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... At 1102 AM CDT, strong thunderstorms were located along a line extending from 17 nm east of Harrison-Dever Crib to 7 nm southwest of Michigan City, moving east at 40...
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
For the following areas... Nearshore Waters from Burns Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... At 1102 AM CDT, strong thunderstorms were located along a line extending from 17 nm east of Harrison-Dever Crib to 7 nm southwest of Michigan City, moving east at 40 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.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Update
Special Marine Warning issued August 12 at 11:02AM CDT until August 12 at 11:30AM CDT by NWS Chicago IL
Official revision - Update
Special Marine Warning issued August 12 at 10:06AM CDT until August 12 at 11:30AM CDT by NWS Chicago IL
Official revision - Alert
Special Marine Warning issued August 12 at 9:27AM CDT until August 12 at 11:30AM 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
- Update
- Last collected