Special Marine Warning for Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI; Rock Island Passage to Sturgeon Bay WI; Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake
Official alert fields
What you need to know
- Applies to
- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI, Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake, Rock Island Passage to Sturgeon Bay WI
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
The affected areas were... Nearshore waters from Washington Island to Sturgeon Bay... Central Bay of Green Bay... Open waters of Lake Michigan from Rock Island Passage to Sturgeon Bay... The thunderstorm has moved out of area and no longer poses a significant threat to boaters.
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.
Lifecycle record
Official revisions
- Update
Special Marine Warning issued July 20 at 7:42PM CDT until July 20 at 7:45PM CDT by NWS Green Bay WI
Official revision - Update
Special Marine Warning issued July 20 at 7:30PM CDT until July 20 at 7:45PM CDT by NWS Green Bay WI
Official revision - Alert
Special Marine Warning issued July 20 at 6:50PM CDT until July 20 at 7:45PM CDT by NWS Green Bay WI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Green Bay 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