Storm records

Marine Thunderstorm Wind

44,240 events, 2001 to 2026

Thunderstorm winds of 34 knots or more over coastal or lake waters. Every one the National Weather Service has filed, by year and by state, with the deadliest and costliest.

The deadliest and costliest on the map

The deadliest and costliest marine thunderstorm wind episodes on record.

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

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The record

Events
44,240
Deaths
55
Injuries
67
Damage
$56 million

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Every year

Deaths each year

The deadliest

Deaths from this kind of event within each episode.

The costliest

Damage from this kind of event within each episode, in the dollars of its year.

The strongest winds

The largest measurement in each episode, as filed. Early reports were often estimated.

By state

State or watersEventsDeathsInjuriesDamage
Gulf of Mexico14,698236$53 million
North Atlantic Coastal Waters13,951113$393,000
South Atlantic Coastal Waters7,8591735$637,000
Lake Michigan2,68741$1.3 million
Lake Erie2,28000$36,000
Lake Huron96600$8,000
Lake Superior85600$410,000
Lake St. Clair595022$100,000
Lake Ontario24000$105,000
Eastern Pacific Coastal Waters6600
St. Lawrence River2400$17,000
Gulf of Alaska1700
Hawaiian Waters100

Every kind of event

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.