Marine Thunderstorm Wind — Pt Washington To North Pt Lt Wi, Lake Michigan

2017-07-16 · near Port Washington, Pt Washington To North Pt Lt Wi, Lake Michigan

Event narrative

Social media and broadcast media outlets reported the boat capsizing around 1130 pm CDT. The Coast Guard reported shifting winds of 30 to 35 mph near the time of the boat capsizing.

Wider weather episode

Passing weak thunderstorms and an outflow boundary caused rapidly shifting winds to affect the 109th Annual Chicago to Mackinac Race. The shifting winds caused a Corsair 31 multi-hull vessel to capsize. Four crew members were rescued by the Coast Guard.

View location on OpenStreetMap → (43.3800, -87.2726)

Source: NOAA Storm Events Database, event_id 704875. Narrative written by the NWS forecast office that issued the report.