Hughes County, SD · Reservoir
Lake Oahe (Oahe Downstream, Pierre)
A 231-mile Missouri River reservoir stretching from Pierre into North Dakota — the largest of the Missouri mainstem lakes and a destination walleye and chinook-salmon fishery. Walleye blanket the points and flats, smallmouth bass hold on rock, northern pike work the bays, and the landlocked king salmon are the premier Missouri-system salmon run. Public ramps cluster around Pierre and Oahe Dam.
Live · updated
Top picks today
Walleye, Smallmouth Bass, Chinook Salmon & Northern Pike — tied at the top (68/100)
4 species tied for best of 4 tracked at Lake Oahe (Oahe Downstream, Pierre).
Atmosphere
Water
Sun & Moon
Species at Lake Oahe (Oahe Downstream, Pierre)
4 species tracked, ranked by today's conditions. The top 4 (tied) are open below — tap any species to expand it, or a chip to focus.
#1 Walleye Workable day for Walleye. In season 68/100
What's helping
- 5 mph wind — light chop — baitfish active, fish willing to feed
About. Sander vitreus — Maryland's premier cool-water gamefish. Deep Creek Lake is the flagship fishery; also found in the non-tidal Potomac and the Youghiogheny River. Low-light feeder — dusk, dawn, and overcast/windy days are prime. Jigs, crankbaits, and nightcrawler harnesses are standard.
Prefers. Water 50–72°F (ideal 62°F) · either tide · depth 10–40 ft.
- Daily creel
- 4
South Dakota: 4 walleye/day, 8 in possession statewide (Lake Oahe). Lake Sharpe and some other Missouri River reaches add a 15" minimum (waived in July–August) and a one-over-20" rule — confirm the water.
Source: South Dakota non-tidal regulations · verified 2026-06-03.
#1 Smallmouth Bass Workable day for Smallmouth Bass. In season 68/100
What's helping
- 5 mph wind — light chop — baitfish active, fish willing to feed
About. Micropterus dolomieu — Premier gamefish of the non-tidal Potomac, the Upper Susquehanna, and Deep Creek Lake. Pound-for-pound one of the hardest-fighting freshwater fish. Hits tubes, crayfish imitations, spinnerbaits, and topwater poppers.
Prefers. Water 55–78°F (ideal 68°F) · either tide · depth 3–30 ft.
- Daily creel
- 5
South Dakota: 5 bass/day (largemouth and smallmouth combined).
Source: South Dakota non-tidal regulations · verified 2026-06-03.
#1 Chinook Salmon Workable day for Chinook Salmon. In season 68/100
What's helping
- 5 mph wind — light chop — baitfish active, fish willing to feed
About. Oncorhynchus tshawytscha — The “king” — the largest Pacific salmon and the marquee stocked predator of the Great Lakes. Trolled over open water through summer, then staged off river mouths and run up tributaries on the fall spawning push. Flow and water temperature drive the river bite.
Prefers. Water 42–58°F (ideal 50°F) · either tide · depth 15–150 ft.
- Daily creel
- 5
South Dakota: 5 chinook salmon/day on Lake Oahe, the premier landlocked king-salmon fishery on the Missouri.
Source: South Dakota non-tidal regulations · verified 2026-06-03.
#1 Northern Pike Workable day for Northern Pike. In season 68/100
What's helping
- 5 mph wind — light chop — baitfish active, fish willing to feed
About. Esox lucius — A toothy, torpedo-shaped ambush predator that lurks in weed edges and drop-offs and strikes large spoons, spinnerbaits, and live suckers. Spawns in shallow flooded vegetation right after ice-out, holds shallow in spring and fall, and slides deeper through summer. Caught year-round, including through the ice — the prairie reservoirs of the northern plains, Fort Peck chief among them, grow trophy "gators" past 20 lb.
Prefers. Water 50–70°F (ideal 63°F) · either tide · depth 4–30 ft.
- Daily creel
- no limit
South Dakota: no daily limit on northern pike on the Missouri River reservoirs.
Source: South Dakota non-tidal regulations · verified 2026-06-03.
Location Info
Water Body
Reservoir
Access
Pier, shore, and ramp
Jurisdiction
South Dakota non-tidal
Coordinates
Notes
South Dakota: 4 walleye/day, 8 in possession. Lake levels move ramps — check current access.
Local reports & rules for Lake Oahe (Oahe Downstream, Pierre): South Dakota GFP fishing report → · fish-consumption advisory →
Nearby Access Points
Frequently Asked
Do I need a fishing license to fish at Lake Oahe (Oahe Downstream, Pierre)?
Yes (anglers age 16 and older). To fish at Lake Oahe (Oahe Downstream, Pierre) you need the appropriate state fishing license. See the agency's current rules: the state agency website
What fish are commonly targeted at Lake Oahe (Oahe Downstream, Pierre)?
Lake Oahe (Oahe Downstream, Pierre) is listed on this site for 4 commonly-targeted species: Walleye, Smallmouth Bass, Chinook Salmon, Northern Pike. Which species is currently in season and which is scoring highest today is shown in the per-species ranking on this page.
When is the best time to fish at Lake Oahe (Oahe Downstream, Pierre)?
It depends more on the species and the day's conditions than on a fixed "best hour." Water temperature, weather, and — at tidal locations — the stage of the tide drive activity most. The per-species ranking on this page scores every target species at Lake Oahe (Oahe Downstream, Pierre) against today's live conditions, so the fish near the top are your best bets right now; check back as conditions change through the day.
What kind of access does Lake Oahe (Oahe Downstream, Pierre) have?
Lake Oahe (Oahe Downstream, Pierre) has multiple access types — pier, shoreline, and at least one public boat ramp. South Dakota: 4 walleye/day, 8 in possession. Lake levels move ramps — check current access.
Which state's fishing regulations apply at Lake Oahe (Oahe Downstream, Pierre)?
state agency regulations apply at Lake Oahe (Oahe Downstream, Pierre). Size limits, creel limits, and seasonal closures are listed per species on each species page. Always confirm against the agency source linked from each regulation block — emergency closures can take effect mid-season.
Is Lake Oahe (Oahe Downstream, Pierre) tidal water?
No. Lake Oahe (Oahe Downstream, Pierre) is non-tidal — water level varies with rainfall, seasonal flow, and (where applicable) upstream dam releases rather than tidal exchange.