The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (upper arm) is open for everyone; the other 4 come with LakeScope PRO. Full screen
Upper Jo-Mary Lake
Piscataquis County, Maine · about 1,800 acres (2.8 sq mi)
38°F water, calm this morning.
About Upper Jo-Mary Lake
Upper Jo-Mary Lake is a lake in Piscataquis County, Maine, covering about 1,800 acres.
It stretches about 2.9 miles end to end and its shoreline adds up to about 8.1 miles. The water sits about 520 ft above sea level. Millinocket is about 12 miles east.
- Size
- About 1,800 acres (2.8 sq mi)
- Shoreline
- About 8.1 miles
- End to end
- About 2.9 miles
- Elevation
- About 520 ft
- County
- Piscataquis County
The lake from above
Best fishing times
Saturday Good
- 6:00 am – 8:15 amsunrise · wind 5 mph
- 2:45 pm – 4:45 pm bestsunset, moon overhead · wind 6 mph
Sunday Good
- 6:00 am – 8:15 amsunrise · wind 8 mph
- 3:30 pm – 4:45 pm bestsunset, moon overhead · wind 12 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
For a lake of this size in Maine, largemouth bass, smallmouth bass, yellow perch and trout are the fish to expect. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 38°F on the surface right now, here is how each one should behave.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- SlowSmallmouth bass
Cold. Slow presentations on deep rock.
- FairYellow perch
Cold. Deep schools; small jigs or minnows.
- FairTrout
Cold. Slow and near the surface on sunny days.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Upper arm
The lake narrows toward the incoming river or creek; moving water carries food.
- 2
- 3
- 4
- 5
4 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 6:32 am · sunset 4:06 pm · waxing crescent moon (lake time).
Towns and places to stay near Upper Jo-Mary Lake
- Millinocketabout 12 mi east
- East Millinocketabout 18 mi east
- Brownvilleabout 19 mi south
- Medwayabout 20 mi east
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Questions about Upper Jo-Mary Lake
What fish are in Upper Jo-Mary Lake?
Lakes like Upper Jo-Mary Lake usually hold largemouth bass, smallmouth bass, yellow perch and trout. Check the state fish and wildlife agency for stocking and limits.
How deep is Upper Jo-Mary Lake?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Upper Jo-Mary Lake?
About 1,800 acres, with about 8.1 miles of shoreline.
What town is near Upper Jo-Mary Lake?
Millinocket is about 12 miles east; East Millinocket is about 18 miles east.
What is the water temperature at Upper Jo-Mary Lake today?
The surface was about 38°F on the latest clear reading. The page updates every day.
Upper Jo-Mary Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
