Today on Oswego
· Tomorrow & the week: Lake Report or Premium →Best fishing times
All fishTimes by species available in Premium
Wind & weather
National Weather ServiceWhat Oswego is best for
DNR data
BluegillPanfish, present · stocked4.8
PerchPanfish, present · stocked4.8
CrappiePanfish, present · stocked4.8
LargemouthPresent · stocked4.8
Northern pikePresent3.8How we rate
Start from how common the DNR says the fish is (abundant 7.5, common 6, present 3.5). Add 1 if the DNR stocked it in the last 5 years, 0.6 for walleye in two-story or complex lakes, and up to 0.9 for lake size. The DNR counts bluegill, perch and crappie together as panfish, so they share a score.
Depth map
None publishedThe DNR has no depth map online for Oswego.
Not for navigation. Old survey; depths and weed lines change.
Rules on this lake
DNR · checked 2026-10-08| Northern pike | No size limit · 5 a dayMay 2, 2026 to March 7, 2027 | Open |
 Bass | 14" min · 5 a dayJune 20, 2026 to March 7, 2027 | Open |
| Panfish | No size limit · 25 a dayOpen All Year | Open |
| Sturgeon | No fishing | Closed |
Launches & access
1 public- RampDirections
Stocking
DNR records| 2024 | 300 largemouth bass adult, 6" |
| 2023 | 1,200 yellow perch adult, 6" 597 walleye large fingerling, 6" 2,198 bluegill adult, 5" 1,198 black crappie adult, 6" |
The DNR has 1 fish survey on file for this lake.
Before you go
DNRThis is health advice about eating fish, from the DNR. It is not how many you can catch or keep. Catch limits are in Rules.
Eat any amount Bluegill and Sunfish, Bullheads, Crappies, Inland Trout, Yellow Perch
Up to 1 meal a week Bass, Catfish, Pike, Walleye, All Other Species and Sizes
Up to 1 meal a month Muskies
Statewide advice; no lake-specific advisory. Stricter for women who may get pregnant and children under 15. DNR detailsIce on Oswego
Reports & estimateReviews
No reviews yetNear Oswego
Local dealsLocal bait shops, resorts and supper clubs can put a coupon here and on the printed sheet, free for a year. Add your business
Oswego board
Catches & reportsLakes near Oswego
Within 25 miles| Lake | Miles | Acres | Max depth |
|---|---|---|---|
| Grassy LakeVilas | 0.8 | 220 | 4 ft |
| Fishtrap LakeVilas | 1.3 | 329 | 41 ft |
| Little Rice LakeVilas | 2 | 59 | 7 ft |
| Big Kitten LakeVilas | 2.1 | 55 | 22 ft |
| Wildcat LakeVilas | 2.5 | 305 | 38 ft |
| Boulder LakeVilas | 2.6 | 524 | 23 ft |
| Big Gibson LakeVilas | 2.7 | 116 | 15 ft |
| Big Crooked LakeVilas | 3 | 682 | 34 ft |
Oswego questions
How deep is Oswego Lake?
Oswego Lake is 17 feet at its deepest. It covers 68 acres.
What fish are in Oswego Lake?
The Wisconsin DNR lists panfish (present), largemouth bass (present) and northern pike (present).
Where is the boat launch on Oswego Lake?
There is 1 public launch: Ramp.
Do I need a trout stamp to fish Oswego Lake?
A Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.
What is the walleye limit on Oswego Lake?
15" min · keep none 20–24" · 1 over 24" · 3 a day. Season: May 2, 2026 to March 7, 2027.
Is Oswego Lake stocked?
Yes. In 2024 the DNR and partners stocked 300 largemouth bass (adult).
Fish it longer
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Sources: Wisconsin DNR (lake facts, species, rules, stocking, consumption advice, survey map), National Weather Service (forecast). Sun and moon computed for the lake's location. Best times are a model of light and moon, not a promise. Checked 2026-10-08.