Fishing Report
Grass Flat Reservoir Fishing Report
Ephraim, UT
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.
39.281520, -111.359454
Est. water temp
66.9°F
v1 estimate from air temperature — not a sensor reading
Species on record
No species on record yet for this lake.
Location
Grass Flat Reservoir · 39.2815, -111.3595
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in Grass Flat Reservoir?
No fish species have been recorded for Grass Flat Reservoir yet. Check the live conditions to plan a trip on the surrounding water.
When's the best time to fish Grass Flat Reservoir?
No species are modeled for Grass Flat 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 Grass Flat Reservoir to see the best window for current conditions.
Where is Grass Flat Reservoir?
Grass Flat Reservoir is near Ephraim, UT, at 39.2815, -111.3595.
Plan your trip to Grass Flat Reservoir
Get the hour-by-hour bite forecast and the best times to fish Grass Flat Reservoir, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.