Marine Thunderstorm Wind — St Marys River From Point Iroquois To E Potagannissing Bay, Lake Superior
2025-08-12 · near Point Iroquois, St Marys River From Point Iroquois To E Potagannissing Bay, Lake Superior
47 MG
Magnitude
Event narrative
Measured gust to 54mph at Point Iroquois, MI.
Wider weather episode
Hot and humid weather continued ahead of a cold front marching across the Upper Great Lakes late in the day. A line of thunderstorms crossed the UP during the evening hours with this cold front, resulting in some gusty winds.
View location on OpenStreetMap → (46.4800, -84.6300)
Source: NOAA Storm Events Database, event_id 1297455. Narrative written by the NWS forecast office that issued the report.