Mile 339 Report
Clatsop Spit, Fort Stevens SP
August 18, 2025
Three dead seals observed and reported to the Seaside Aquarium and photos were sent.
Report Details
Three dead seals observed and reported to the Seaside Aquarium and photos were sent.
Conditions
Temperature: 70 F. Cloud Cover: Partly Cloudy. Wind Velocity: Moderate. Tide Level: -1.4 feet.
Human Activities
Number of people: 10. Number of dogs: 2. Walking or running: 10. Sitting: 5. Other Activities: Paragliding.
Vehicles
Cars/trucks on beach, allowed: 1.
Notable Wildlife
Some gulls
Beached Birds
Total dead birds: 2. 2 dead gulls (see photos)
Stranded Marine Mammals
Total stranded mammals: 2. 3 Dead seals (see photo)
Driftline Content
Very little marine debris other than a form of strapping fragments which are common (see photo).
Looking south over the survey area taken from the So. Columbia River Jetty.
Looking south approx. 200 m of S. Columbia River Jetty.
Gentle summer dune profile.
Dead seal.
Dead gull.
Dead seal #2.
Report Images
Ed Joyce
CoastWatcher
All Mile 339 Reports
Mile 339
Clatsop Spit, Fort Stevens SP
Nothing unusual. Unusually small amount of beach debris found.
Ed Joyce
Mile 339
Clatsop Spit, Fort Stevens SP
Three dead seals observed and reported to the Seaside Aquarium and photos were sent.
Ed Joyce
Mile 339
Clatsop Spit, Fort Stevens SP
Unusually small amount of marine debris.
Ed Joyce
Mile 339
Clatsop Spit, Fort Stevens SP
Probably the most marine debris and driftwood ever observed during my 9 years of walking this mile.
Ed Joyce
Mile 339
Clatsop Spit, Fort Stevens SP
Typical winter beach profile with steep dunes and erosion of beach grasses down the dunes.
Ed Joyce
Mile 339
Clatsop Spit, Fort Stevens SP
Most beach erosion I've witnessed - see photo.
Ed Joyce
