Special Marine Warning for St. Clair River
Official alert fields
What you need to know
- Applies to
- St. Clair River
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
For the following areas... St. Clair River... At 412 PM EDT, strong thunderstorms were located along a line extending from 24 nm east of Port Sanilac to 32 nm east of Lexington to 28 nm east of Lakeport to 19 nm east of Port Huron, moving east at 40 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar indicated....
What the bulletin says to do
Move to safe harbor until hazardous weather passes.
Full official description
Bulletin details
For the following areas... St. Clair River... At 412 PM EDT, strong thunderstorms were located along a line extending from 24 nm east of Port Sanilac to 32 nm east of Lexington to 28 nm east of Lakeport to 19 nm east of Port Huron, moving east at 40 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Update
Special Marine Warning issued September 3 at 4:12PM EDT until September 3 at 4:30PM EDT by NWS Detroit/Pontiac MI
Official revision - Update
Special Marine Warning issued September 3 at 3:33PM EDT until September 3 at 4:30PM EDT by NWS Detroit/Pontiac MI
Official revision - Update
Special Marine Warning issued September 3 at 2:51PM EDT until September 3 at 4:30PM EDT by NWS Detroit/Pontiac MI
Official revision - Alert
Special Marine Warning issued September 3 at 2:26PM EDT until September 3 at 4:30PM EDT by NWS Detroit/Pontiac MI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Detroit/Pontiac MI. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Update
- Last collected