| Event Category | Disaster |
| Event Group | Natural |
| Event Subgroup | Meteorological - Hydrological |
| Event Type | Storms and Severe Thunderstorms |
| Place | Great Lakes: Lake Ontario |
| Event Start Date | January 1, 1940 |
| Event End Date | January 1, 1940 |
| Comments | Ontario, 1940. Three Great Lakes ships wrecked in storm, killing 69. |
| Fatalities | 69 |
| Injured / Infected | 0 |
| Evacuated | 0 |
| Estimated Total Cost | Unknown |
| Federal DFAA Payments | Unknown |
| Provincial DFAA Payments | Unknown |
| Provincial Department Payments | Unknown |
| Municipal Costs | Unknown |
| OGD Costs | Unknown |
| Insurance Payments | Unknown |
| NGO Payments | Unknown |
| Utility - People Affected | 0 |
| Magnitude | 0.0 |