| Event Category | Disaster |
| Event Group | Natural |
| Event Subgroup | Meteorological - Hydrological |
| Event Type | Storms and Severe Thunderstorms |
| Place | Maritime Provinces |
| Event Start Date | October 25, 1991 |
| Event End Date | November 3, 1991 |
| Comments | Maritime Provinces, especially Nova Scotia, October 25 - November 3, 1991. The "Halloween Storm" of 1991, was produced by two hurricanes: "Grace" and an unnamed storm over the north Atlantic; on the Scotian slope the highest wave in the world ever recorded by an instrument was measured as 30.7 metres. |
| Fatalities | 0 |
| Injured / Infected | 0 |
| Evacuated | 0 |
| Estimated Total Cost | $0 |
| 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 |