Alert archive / Ohio / Special Marine Warnings / 2026

Special Marine Warnings in Ohio, May 2026

9 special marine warnings in May 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of special marine warnings reaches back to 1986.

Special Marine Warnings by county

Each county as a circle sized by its count in May 2026. Tap one for its archive.

Special Marine Warnings
9
Busiest day
May 9, 20264 special marine warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
May 9, 4:49 PM EDTSpecial Marine WarningCLE66 min
May 9, 5:30 PM EDTSpecial Marine WarningCLE99 min
May 9, 5:48 PM EDTSpecial Marine WarningCLE42 min
May 9, 5:52 PM EDTSpecial Marine WarningCLE83 min
May 10, 12:23 AM EDTSpecial Marine WarningCLE41 min
May 18, 5:00 PM EDTSpecial Marine WarningCLE93 min
May 18, 5:48 PM EDTSpecial Marine WarningCLE82 min
May 19, 5:52 PM EDTSpecial Marine WarningCLE83 min
May 19, 6:30 PM EDTSpecial Marine WarningCLE2 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.