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 5 come with LakeScope PRO. Full screen
Lake Sinai
Brookings County, South Dakota · about 1,080 acres (1.7 sq mi)
44°F water, calm this morning.
About Lake Sinai
Lake Sinai spreads over about 1,080 acres in Brookings County, South Dakota.
It stretches about 1.8 miles end to end and its shoreline adds up to about 6.8 miles. Its surface is about 1,750 ft above sea level. Volga lies about 7.1 miles to the northeast. Sioux Falls, the nearest city, is about 52 miles south.
- Size
- About 1,080 acres (1.7 sq mi)
- Shoreline
- About 6.8 miles
- End to end
- About 1.8 miles
- Elevation
- About 1,750 ft
- County
- Brookings County
The lake from above
Best fishing times
Friday Good
- 6:45 am – 9:00 amsunrise
- 3:30 pm – 5:00 pm bestsunset, moon overhead · wind 10 mph
Saturday Good
- 6:45 am – 9:00 amsunrise · wind 10 mph
- 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
For a lake of this size in South Dakota, walleye, northern pike, largemouth bass, yellow perch and bluegill and sunfish are the fish to expect. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 44°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
- 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 7:21 am · sunset 5:02 pm · waxing crescent moon (lake time).
Towns and places to stay near Lake Sinai
- Volgaabout 7.1 mi northeast
- Brookingsabout 13 mi east
- Madisonabout 17 mi south
- De Smetabout 24 mi west
- Sioux Fallsnearest city, about 52 mi south
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Questions about Lake Sinai
What fish are in Lake Sinai?
Lakes like Lake Sinai 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 Lake Sinai?
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 Lake Sinai?
About 1,080 acres, with about 6.8 miles of shoreline.
What town is near Lake Sinai?
Volga is about 7.1 miles northeast; Brookings is about 13 miles east.
What is the water temperature at Lake Sinai today?
The surface was about 44°F on the latest clear reading. The page updates every day.
Lake Sinai on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
