Marine Hail in Lake Superior
Every marine hail event the National Weather Service has filed in Lake Superior, 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 Superior.
- 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
- 108
- Deaths
- 0
- Injuries
- 0
- Damage
- None recorded
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Marine Thunderstorm Winds and Waterspout in Lake Superior, August 27, 2019A cold front moving through a moist and unstable air mass generated strong to severe thunderstorms across Lake Superior on the afternoon and evening of the 27th.
- Marine Thunderstorm Winds in Lake Superior, September 12, 2011A powerful cold front produced strong to severe thunderstorms over Lake Superior on the evening of the 12th.
- Marine Thunderstorm Winds in Lake Superior, June 30, 2022A cold front moving across the Upper Great Lakes produced strong to severe thunderstorms across much of Lake Superior during the evening of the 30th.
- Marine Thunderstorm Winds in Lake Superior, June 15, 2017An upper disturbance moving east across a frontal boundary produced strong to severe thunderstorms across portions of the east half of Lake Superior on the afternoon of the 15th.
- Marine Thunderstorm Winds in Lake Superior, May 25, 2010Severe thunderstorms caused strong gusty winds and large hail over portions of western Lake Superior on the afternoon of the 25th.
- Marine Thunderstorm Winds in Lake Superior, June 30, 2018A cold front moving through a very moist and unstable air mass produced strong to severe thunderstorms over the open water and nearshore portions of the east half of Lake Superior on the 30th.
- Marine Thunderstorm Winds in Lake Superior, July 15 to 16, 2006Nickel-sized hail reported lasting for ten mintues at Rock Harbor Lodge on Isle Royale.
- Marine Hail in Lake Superior, May 20, 2012The passage of a strong cold front produced severe thunderstorms over nearshore portions of Lake Superior on the afternoon of the 20th.
- Marine Thunderstorm Winds in Lake Superior, September 24 to 25, 2019A strong cold front moving through a moist and unstable air mass produced strong to severe thunderstorms over portions of Lake Superior from the evening of the 24th into the early morning of the 25th.
- Marine Hail in Lake Superior, August 21, 2013The passage of a cold front through a very warm and unstable air mass generated scattered severe thunderstorms across the near shore waters of Lake Superior on the afternoon of the 21st.
- Marine Thunderstorm Winds in Lake Superior, June 17, 2006Severe thunderstorms produced damaging wind and large hail over portions of west and central Lake Superior nearshore areas on the afternoon of the 17th.
- Marine Thunderstorm Winds in Lake Superior, June 9, 2010A cold front passing through the area helped trigger some strong thunderstorms over the Alger and Marquette County near shore areas on the afternoon of the 9th.
- Marine Hail in Lake Superior, June 8, 2012Super cell thunderstorms dropped large hail over the nearshore areas of central Lake Superior on the evening of the 8th.
- Marine Hail in Lake Superior, July 26, 2016A cold front moving slowly through an unstable air mass produced severe thunderstorms with large hail from Grand Marais to Deer Park on the evening of the 26th.
- Marine Thunderstorm Winds in Lake Superior, July 18 to 19, 2022A cold front moving across the Upper Great Lakes generated strong to severe thunderstorms over mainly west half portions of Lake Superior from the late evening of the 18th into the morning of the 19th.
- Marine Thunderstorm Winds in Lake Superior, August 22, 2025An area of storms moved across northwestern Wisconsin and along the South Shore of Lake Superior during the afternoon hours of the 22nd. In addition to some small hail, these storms produced wind gusts to around 45 mph near the shore.
- Marine Thunderstorm Winds in Lake Superior, April 17, 2026Strong thunderstorms developed ahead of a cold front during the afternoon of the 17th and moved east across western Lake Superior. The first storms produced hail to 1 inch in diameter along the North Shore with later storms producing wind gusts to 43 knots along the South Shore.
- Marine Hail in Lake Superior, June 20, 2007Severe thunderstorms dropped large hail over the Lake Superior nearshore waters between Marquette and Harvey on the afternoon of the 20th.
- Marine Thunderstorm Winds in Lake Superior, July 25, 2008Strong thunderstorms produced gusty winds over western and central Lake Superior nearshore areas on the 25th.
- Marine Thunderstorm Winds in Lake Superior, June 8, 2011A cold front moving through the area spawned severe thunderstorms at Grand Marais on the afternoon of the 8th.
- Marine Hail in Lake Superior, April 10, 2011A low pressure system moving from Minnesota into northwest Ontario produced thunderstorms with hail and some strong wind gusts over eastern Lake Superior on the 10th.
- Marine Hail in Lake Superior, July 10, 2023Strong thunderstorms dropped large hail in the Marquette area during the late afternoon and evening of the 10th.
- Waterspouts in Lake Superior, July 28 to 30, 2005Waterspout observed from Tourist Park, 2 miles west of Munising on Highway M-28.
- Marine Thunderstorm Winds in Lake Superior, June 21, 2006Several thunderstorms produced damaging wind and large hail over central Lake Superior nearshore waters on the afternoon of the 21st.
- Marine Hail in Lake Superior, July 1 to 3, 2006Measured 48 mph wind gust at the Munising ASOS.
More
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.