Marine Thunderstorm Wind — Grand Marais To Whitefish Point Mi, Lake Superior
2025-05-16 · near Grand Marais Light, Grand Marais To Whitefish Point Mi, Lake Superior
44 MG
Magnitude
Event narrative
The GLOS Weather Station GRMM4 Grand Marais reported a peak wind gust of 51 mph at 5:50 PM EST on the 16th associated with a line of thunderstorms.
Wider weather episode
A deep low pressure over the Upper Midwest sent multiple rounds of severe weather through the over the nearshore waters of the Bay of Green Bay and Lake Michigan, first by an occluded front on the 15th and then with the main low pressure and associated cold front on the 16th.
View location on OpenStreetMap → (46.6800, -85.9700)
Source: NOAA Storm Events Database, event_id 1268239. Narrative written by the NWS forecast office that issued the report.