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
65
Good
Feb
69
Good
Mar
68
Good
Apr
71
Good
May
73
Good
Jun
70
Good
Jul
71
Good
Aug
71
Good
Sep
74
Good
Oct
67
Good
Nov
74
Good
Dec
69
Good
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Get Lake Oahe Fishing Forecasts
Weekly reports on what's biting at Lake Oahe and nearby waters.