The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (back of a cove) is open for everyone; the other 5 come with LakeScope PRO. Full screen
Long Lake
Day County, South Dakota · about 1,770 acres (2.8 sq mi)
41°F water, calm this morning.
About Long Lake
Long Lake is a lake in Day County, South Dakota, covering about 1,770 acres.
It stretches about 3.7 miles end to end and its shoreline adds up to about 15.5 miles. Its surface is about 1,770 ft above sea level. Webster is about 11 miles northeast.
- Size
- About 1,770 acres (2.8 sq mi)
- Shoreline
- About 15.5 miles
- End to end
- About 3.7 miles
- Elevation
- About 1,770 ft
- County
- Day County
The lake from above
Best fishing times
Friday Good
- 6:45 am – 9:00 amsunrise
- 3:30 pm – 5:15 pm bestsunset, moon overhead · wind 9 mph
Saturday Fair
- 3:45 pm – 5:45 pm bestsunset, moon overhead · wind 15 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 South Dakota 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. With the surface at 41°F, the notes below say which of them should be biting.
- 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
- 1Back of a cove
Sheltered, shallower water where baitfish gather.
- 2
- 3
- 4
- 5
- 6
5 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 7:26 am · sunset 5:02 pm · waxing crescent moon (lake time).
Towns and places to stay near Long Lake
- Websterabout 11 mi northeast
- Clarkabout 19 mi south
- Grotonabout 28 mi northwest
- Watertownabout 29 mi southeast
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Questions about Long Lake
What fish are in Long Lake?
Lakes like Long 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 Long 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 Long Lake?
About 1,770 acres, with about 15.5 miles of shoreline.
What town is near Long Lake?
Webster is about 11 miles northeast; Clark is about 19 miles south.
What is the water temperature at Long Lake today?
The surface was about 41°F on the latest clear reading. The page updates every day.
Long Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
