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
66
Good
Feb
71
Good
Mar
72
Good
Apr
69
Good
May
67
Good
Jun
71
Good
Jul
71
Good
Aug
69
Good
Sep
72
Good
Oct
70
Good
Nov
75
Good
Dec
73
Good
Go Deeper
Get Lake Oahe Fishing Forecasts
Weekly reports on what's biting at Lake Oahe and nearby waters.