Fishing Report
Yellowtail Afterbay Reservoir Fishing Report
Fort Smith, MT
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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.
45.315267, -107.923340
Est. water temp
75.4°F
v1 estimate from air temperature — not a sensor reading
Max depth
46 ft
Deepest surveyed contour on record
Depth contours: Montana DNR survey
Notes from anglers
Imported from GNIS. Nearest town: Fort Smith (Big Horn County, MT).
Species on record
No species on record yet for this lake.
Suggest a species for this lake →Location
Yellowtail Afterbay Reservoir · 45.3153, -107.9233
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Not for navigation
These depth contours are for deciding where to fish, not for running a boat. No depth map we show — whatever agency surveyed it — is a nautical chart, and none of them will show you a shoal. Do not navigate by this map.
Depth contours: Montana DNR survey
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in Yellowtail Afterbay Reservoir?
No fish species have been recorded for Yellowtail Afterbay Reservoir yet. Check the live conditions to plan a trip on the surrounding water.
When's the best time to fish Yellowtail Afterbay Reservoir?
No species are modeled for Yellowtail Afterbay Reservoir 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 Yellowtail Afterbay Reservoir to see the best window for current conditions.
Where is Yellowtail Afterbay Reservoir?
Yellowtail Afterbay Reservoir is near Fort Smith, MT, at 45.3153, -107.9233.
Plan your trip to Yellowtail Afterbay Reservoir
Get the hour-by-hour bite forecast and the best times to fish Yellowtail Afterbay Reservoir, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.