Since June 2022, elevated numbers of harbor seal and gray seal mortalities have occurred across the southern and central coast of Maine. This event has been declared an unusual mortality event (UME).
Beginning in June 2022, Marine Mammals of Maine—a NOAA Fisheries authorized marine mammal stranding network partner—has responded to an elevated number of stranded seals.
The Unusual Mortality Event involving stranded harbor and gray seals along the coast of Maine has ended. NOAA Fisheries and partners investigated the event, which occurred from June 20 to July 20, 2022.