Marine Hail in Lake Ontario

10 marine hail events since 2008

Every marine hail event the National Weather Service has filed in Lake Ontario, year by year, with the most significant episodes. Hail three-quarters of an inch or larger over water.

The most significant on the map

The most significant marine hail episodes in Lake Ontario.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar

The record

Events: 10
Deaths: 0
Injuries: 0
Damage: None recorded

Every year

The most significant

Ranked by deaths, injuries, damage and size together.

Marine Thunderstorm Winds in Lake Ontario, June 26, 20231 in hail · 4 eventsAfter a extended period with no severe weather, active weather returned to the area as a deep upper trough and surface low over the Great Lakes pushed a warm front northward across the region in the morning before a cold front quickly swept in during the afternoon.
Marine Thunderstorm Winds in Lake Ontario, June 29, 20080.75 in hail · 3 eventsThunderstorms accompanying the passage of a cold front produced wind gusts measured to 38 knots.
Marine Hail in Lake Ontario, July 21, 20100.88 in hail · 2 eventsStrong thunderstorms moved across southern Ontario and Lake Ontario during the late afternoon and evening hours. The thunderstorms produced wind gusts measured to 35 knots and nickel-sized hail.
Marine Hail in Lake Ontario, May 28, 20170.75 in hail · 2 eventsThunderstorms crossing Lake Ontario produced three-quarter inch hail near North Pond and Fair Haven.
Marine Hail in Lake Ontario, September 26, 20190.75 in hail · 2 eventsA short wave trough and associated colder air aloft moved along Lake Ontario during the afternoon in post-frontal cooler air.
Marine Hail in Lake Ontario, April 24, 20090.75 in hail · 1 eventThree-quarter inch hail fell at Sterling.
Marine Hail in Lake Ontario, August 17, 20191 in hail · 1 eventA mid-level shortwave moved east through the eastern Great Lakes, with a trailing weak surface trough and locally grown lake breeze and differential heating boundaries.
Marine Hail in Lake Ontario, June 13, 20210.88 in hail · 1 eventImpressive storms developed on the converging lake breeze over the Niagara Peninsula in Ontario. These cells slowly tracked eastward toward the Niagara River.
Marine Hail in Lake Ontario, August 17, 20220.75 in hail · 1 eventAn upper low nearby and afternoon instability resulted in isolated strong thunderstorms that produced a lot of small hail. An isolated thunderstorm produced penny sized hail.

Marine Hail everywhere Every kind of event in Lake Ontario

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.