Special Marine Warning for North Point Light to Wind Point WI; Wind Point WI to Winthrop Harbor IL; Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake +2 more
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 Port Washington to North Point Light WI 5NM offshore to Mid Lake, Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake, North Point Light to Wind Point WI, 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 North Point Light WI to Winthrop Harbor IL... Lake Michigan from Port Washington WI to Winthrop Harbor IL... At 736 PM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 24 nm east of Port Washington to 22 nm east of...
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 North Point Light WI to Winthrop Harbor IL... Lake Michigan from Port Washington WI to Winthrop Harbor IL... At 736 PM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 24 nm east of Port Washington to 22 nm east of Cudahy to 13 nm northeast of Racine to Wind Pt., moving east at 35 knots. HAZARD...Waterspouts and wind gusts to nearly 50 knots. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Severe 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 7:37PM CDT until August 18 at 8:30PM CDT by NWS Milwaukee/Sullivan WI
Official revision - Update
Special Marine Warning issued August 18 at 6:55PM CDT until August 18 at 8:30PM CDT by NWS Milwaukee/Sullivan WI
Official revision - Alert
Special Marine Warning issued August 18 at 6:28PM CDT until August 18 at 8:30PM 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