Special Marine Warning for St. Clair River; Port Sanilac to Port Huron MI
Official alert fields
What you need to know
- Applies to
- Port Sanilac to Port Huron MI, St. Clair River
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWDTX The National Weather Service in Detroit/Pontiac has issued a * Special Marine Warning for... Port Sanilac to Port Huron MI... St. Clair River... * Until 330 PM EDT. * At 240 PM EDT, a strong thunderstorm was located near Port Huron, moving southeast at 25 knots. HAZARD...Wind gusts 34 knots or greater....
What the bulletin says to do
Move to safe harbor until hazardous weather passes.
Full official description
Bulletin details
SMWDTX The National Weather Service in Detroit/Pontiac has issued a * Special Marine Warning for... Port Sanilac to Port Huron MI... St. Clair River... * Until 330 PM EDT. * At 240 PM EDT, a strong thunderstorm was located near Port Huron, moving southeast at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will be near... Port Huron around 245 PM EDT.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued July 21 at 2:40PM EDT until July 21 at 3:30PM 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
- Alert
- Last collected