NWS Detroit/Pontiac MIMA.W 0070September 2, 2026
Special Marine Warning: Port Sanilac to Port Huron MI and Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border
The National Weather Service office in Detroit/Pontiac issued a special marine warning for Port Sanilac to Port Huron MI and Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border, which was in force until 7:45 p.m. local time on September 2. It was the 70th special marine warning the NWS office in Detroit/Pontiac issued in 2026.
ExpiredWarning
In force for 1.4 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Detroit/Pontiac MI
- Area
- Port Sanilac to Port Huron MI and Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border
- Level
- Warning
- Issued
- 6:20 p.m. EDT, September 2, 2026
- Expires
- 7:45 p.m. EDT, September 2, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KDTX MA.W 0070
- Official source
- National Weather Service: the notice at its source
NWS notices, September 2026The latest from the National Weather Service
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SMWDTX The National Weather Service in Detroit/Pontiac has issued a * Special Marine Warning for... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Port Sanilac to Port Huron MI... * Until 745 PM EDT. * At 618 PM EDT, a severe thunderstorm was located near Lexington, moving east at 35 knots. HAZARD...Wind gusts to 50 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * A line of severe thunderstorms extends westward toward northern Lapeer county and also will move over the nearshore and open waters over the next 1 to 2 hours.
What the agency told people to do
Boaters should seek safe harbor immediately until this storm passes. Wind gusts to 50 knots, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.