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
Flat Lake
Becker County, Minnesota · about 1,730 acres (2.7 sq mi)
40°F water, calm this morning.
About Flat Lake
Flat Lake spreads over about 1,730 acres in Becker County, Minnesota.
It stretches about 2.3 miles end to end and its shoreline adds up to about 7.1 miles. The water sits about 1,470 ft above sea level. Detroit Lakes is about 13 miles southwest. Fargo, the nearest city, is about 53 miles west.
- Size
- About 1,730 acres (2.7 sq mi)
- Shoreline
- About 7.1 miles
- End to end
- About 2.3 miles
- Elevation
- About 1,470 ft
- County
- Becker County
The lake from above
Best fishing times
Friday Good
- 6:45 am – 9:00 amsunrise
- 3:15 pm – 5:00 pm bestsunset, moon overhead · wind 3 mph
Saturday Good
- 6:45 am – 9:00 amsunrise · wind 6 mph
- 3:30 pm – 5:30 pm bestsunset, moon overhead · wind 8 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
Expect the usual Minnesota mix for a lake this size: walleye, northern pike, largemouth bass, yellow perch and bluegill and sunfish. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 40°F on the surface right now, here is how each one should behave.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- GoodNorthern pike
Prime range. Weed edges and shallow bays.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- GoodYellow perch
Schooled near weed edges and soft bottom.
- SlowBluegill and sunfish
Cold. Deep and hard to tempt. Use tiny baits.
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 7:23 am · sunset 4:49 pm · waxing crescent moon (lake time).
Towns and places to stay near Flat Lake
- Detroit Lakesabout 13 mi southwest
- Frazeeabout 16 mi south
- Perhamabout 25 mi south
- Mahnomenabout 27 mi northwest
- Fargonearest city, about 53 mi west
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Questions about Flat Lake
What fish are in Flat Lake?
Lakes like Flat Lake usually hold walleye, northern pike, largemouth bass, yellow perch and bluegill and sunfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Flat 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 Flat Lake?
About 1,730 acres, with about 7.1 miles of shoreline.
What town is near Flat Lake?
Detroit Lakes is about 13 miles southwest; Frazee is about 16 miles south.
What is the water temperature at Flat Lake today?
The surface was about 40°F on the latest clear reading. The page updates every day.
Flat Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
