Marine Thunderstorm Wind in Lake Ontario
Every marine thunderstorm wind event the National Weather Service has filed in Lake Ontario, year by year, with the most significant episodes. Thunderstorm winds of 34 knots or more over coastal or lake waters.
The most significant on the map
The most significant marine thunderstorm wind 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
The record
- Events
- 240
- Deaths
- 0
- Injuries
- 0
- Damage
- $105,000
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Marine Thunderstorm Winds in Lake Ontario, October 23, 2020A strong cold front approached the area subsequent to record heat across western New York. A pre-frontal trough ignited thunderstorms upstream from lower Michigan through northern Ohio. Thunderstorms overall diminished as they moved toward the area late in the evening.
- Marine Thunderstorm Wind in Lake Ontario, June 27, 2002
- Marine Thunderstorm Wind in Lake Ontario, July 6, 2007Thunderstorms accompanying a cold front produced damaging wind gusts estimated at 45 knots. The winds capsized a sailboat near Henderson Harbor. Rescuers were called to assist the boaters.
- Marine Thunderstorm Winds in Lake Ontario, July 16, 2024For the second day in a row, a mesoscale convective vortex (MCV) crossed western and central New York during the afternoon on July 16, 2024.
- Marine Thunderstorm Winds in Lake Ontario, June 17, 2014Showers and thunderstorms moved across the nearshore and open waters of Lake Ontario. The thunderstorms produced winds gusting to 46 knots at Olcott, 42 knots at Youngstown, and 36 knots at Oswego and Irondequoit Bay.
- Marine Thunderstorm Winds in Lake Ontario, March 16, 2025On March 16, a strong area of low pressure tracked across the Central Great Lakes into southeast Ontario and southwest Quebec. Convection developed across Ontario, Lake Erie and Pennsylvania during the late morning hours along a pre-frontal trough associated with the system.
- Marine Thunderstorm Winds in Lake Ontario, July 10, 2024On July 10, 2024, most of western and central New York were impacted by the remnants of tropical cyclone Beryl.
- Marine Thunderstorm Winds in Lake Ontario, August 24 to 25, 2011Thunderstorms developed in a warm, humid air mass. The storms produced winds gusting to 50 knots at Lewiston, 48 knots at Rochester, and 45 knots at Youngstown.
- Marine Thunderstorm Winds in Lake Ontario, September 8, 2012A strong cold front crossed the eastern Great Lakes bringing widespread showers and thunderstorms to the region. The thunderstorm wind gusts were measured to 43 knots at Youngstown, 40 knots at Rochester, 41 knots at Oswego and 35 knots at Irondequoit Bay.
- Marine Thunderstorm Winds in Lake Ontario, June 26, 2023After 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, 2008Thunderstorms accompanying the passage of a cold front produced wind gusts measured to 38 knots.
- Marine Thunderstorm Winds in Lake Ontario, April 25, 2009Thunderstorms crossing the lake shore produced wind gusts between 35 and 45 knots.
- Marine Thunderstorm Winds in Lake Ontario, July 25 to 26, 2012Thunderstorms crossed Lake Ontario as a warm front lifted north across the region. Wind gusts were measured to 46 knots at Olcott and 53 knots at Rochester.
- Marine Thunderstorm Winds in Lake Ontario, July 19, 2013A hot and very humid airmass was in place across Great Lakes Region. Thunderstorms developed during the afternoon and evening hours as a pre-frontal trough approached from the upper Great Lakes. Winds gusts to 42 knots at Youngstown, 50 knots at Olcott, and 48 knots at Oswego.
- Marine Thunderstorm Winds in Lake Ontario, May 11, 2015A line of thunderstorms moved from west to east across western Lake Ontario during the late evening and early overnight hours. The thunderstorms produced strong wind gusts which were measured at 41 knots at Youngstown, 49 knots at Olcott and 39 knots at Rochester.
- Marine Thunderstorm Winds in Lake Ontario, June 18, 2017Under the influence of a warm, moist airmass, thunderstorms developed across Lake Ontario. Thunderstorm wind gusts to 37 knots were measured with the storms.
- Marine Thunderstorm Winds in Lake Ontario, October 15, 2017Thunderstorms ahead of an approaching cold front produced winds measured to 52 knots at Youngstown, 44 knots at Olcott and 45 knots at Oswego.
- Marine Thunderstorm Winds in Lake Ontario, October 1, 2019October 1 started sunny, with recorded breaking heat across the region, as a highly amplified weather pattern occurred.
- Marine Thunderstorm Winds in Lake Ontario, November 15, 2020A rapidly intensifying low pressure system advanced through the western Great Lakes and eventually spun up toward James Bay. This pushed a cold front across the area during the latter half of November 15.
- Marine Thunderstorm Winds in Lake Ontario, September 6, 2021A strong mid-level trough and weak surface cold front crossed the eastern Great Lakes Monday morning. A line of thunderstorms over southern Ontario moved across Lake Erie and eventually reached the western end of Lake Ontario around daybreak.
- Waterspouts in Lake Ontario, September 7, 2021Cold advection behind Monday's thunderstorm line and cold frontal passage allowed for sufficient instability to develop over Lake Ontario for some early morning waterspouts.
- Marine Thunderstorm Winds in Lake Ontario, August 29, 2022An upper level trough and a strong lake breeze combined with an unstable air mass to trigger a line of thunderstorms from Southern Ontario to western Pennsylvania.
- Marine Thunderstorm Winds in Lake Ontario, July 24, 2024A pre-frontal trough and cold front crossing western and north central New York caused a few rounds of thunderstorms through the day on July 24, 2024. The strongest storms, occurred with the trough as it tracked east with increased instability and shear ahead of it.
- Marine Thunderstorm Winds in Lake Ontario, August 11, 2024An upper level trough, along with steep lapse rates and daytime heating caused strong to severe thunderstorms to develop along the south shore of Lake Ontario. Wind was the primary severe weather threat, but early on a thunderstorm developed one inch hail.
- Marine Thunderstorm Winds in Lake Ontario, May 31, 2002
More
Marine Thunderstorm Wind everywhereEvery 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.