Lake Oahe
South Dakota — Massive Missouri River reservoir — walleye and smallmouth
Surface Area
370,000 acres
Average Depth
58 ft
Known For
Massive Missouri River reservoir — walleye and smallmouth
Species Confidence — Apr 2026
Water temp ~52°F. Core environmental data provided. Adding moon phase data would further refine feeding window predictions. Best technique: Jigging.
Water temp ~52°F. Core environmental data provided. Adding moon phase data would further refine feeding window predictions. Best technique: Drop Shot.
Water temp ~52°F. Core environmental data provided. Adding moon phase data would further refine feeding window predictions. Best technique: Spinnerbait Fishing.
Water temp ~52°F. Core environmental data provided. Adding moon phase data would further refine feeding window predictions. Best technique: Bottom Fishing.
Seasonal Calendar — Walleye
Monthly fishing confidence for Walleye at Lake Oahe
Jan
70
Good
Feb
74
Good
Mar
74
Good
Apr
74
Good
May
71
Good
Jun
69
Good
Jul
74
Good
Aug
70
Good
Sep
67
Good
Oct
73
Good
Nov
74
Good
Dec
72
Good
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Get Lake Oahe Fishing Forecasts
Weekly reports on what's biting at Lake Oahe and nearby waters.