Special Marine Warning for Wind Point WI to Winthrop Harbor IL; Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake; Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake
Official alert fields
What you need to know
- Applies to
- Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake, Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake, Wind Point WI to Winthrop Harbor IL
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
For the following areas... Nearshore waters from Wind Point WI TO Winthrop Harbor IL... Lake Michigan from North Point Light WI to Winthrop Harbor IL 5 nm off shore to mid lake... At 830 PM CDT, strong thunderstorms were located along a line extending from 33 nm east of Wind Pt. to near Winthrop Harbor, moving...
What the bulletin says to do
Move to safe harbor until hazardous weather passes.
Full official description
Bulletin details
For the following areas... Nearshore waters from Wind Point WI TO Winthrop Harbor IL... Lake Michigan from North Point Light WI to Winthrop Harbor IL 5 nm off shore to mid lake... At 830 PM CDT, strong thunderstorms were located along a line extending from 33 nm east of Wind Pt. to near Winthrop Harbor, moving southeast at 25 knots. HAZARD...Wind gusts to nearly 50 knots. 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 18 at 8:31PM CDT until August 18 at 9:15PM CDT by NWS Milwaukee/Sullivan WI
Official revision - Alert
Special Marine Warning issued August 18 at 7:10PM CDT until August 18 at 9:15PM CDT by NWS Milwaukee/Sullivan WI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Milwaukee/Sullivan WI. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Update
- Last collected