Fishing Report
Foss Lake Fishing Report
Marblemount, WA
Free — no account, no app
Modeled from National Weather Service data, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.
48.477050, -121.364237
Est. water temp
69.7°F
v1 estimate from air temperature — not a sensor reading
Notes from anglers
Imported from GNIS. Nearest town: Marblemount (Skagit County, WA).
Species on record
No species on record yet for this lake.
Suggest a species for this lake →Location
Foss Lake · 48.4771, -121.3642
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in Foss Lake?
No fish species have been recorded for Foss Lake yet. Check the live conditions to plan a trip on the surrounding water.
When's the best time to fish Foss Lake?
No species are modeled for Foss Lake yet, so there's no species-specific feeding window to name. The score still gives the light window 25% of its total, an input Bitespan grades "Well supported". Check today's bite forecast for Foss Lake to see the best window for current conditions.
Where is Foss Lake?
Foss Lake is near Marblemount, WA, at 48.4771, -121.3642.
Plan your trip to Foss Lake
Get the hour-by-hour bite forecast and the best times to fish Foss Lake, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.