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Fishing Regulations for Thunder Lake - Oneida County

General Waterbody Restrictions

Bag limits are for fish caught in all lakes in the RHINELANDER CHAIN including BASS LAKE T37N R09E S30, BOOM LAKE, RHINELANDER FLOWAGE
Catch and release fishing for largemouth and smallmouth bass is open year round unless otherwise noted.
Motor Trolling is allowed with 1 hook, bait, or lure per angler, and 3 hooks, baits, or lures maximum per boat.

Fishing Regulations

NOTE: Regulations listed below may not reflect fish species actually found in the lake. See Thunder Lake's WI DNR Lake Page for more information on this lake's characteristics.

Fish	Season	Regulation
Bullheads	Open All Year	No minimum length limit and the daily bag limit is unlimited.
Catfish	Open All Year	No minimum length limit and the daily bag limit is 10.
Cisco And Whitefish	Open All Year	No minimum length limit and the daily bag limit is 10.
Lake Sturgeon	Closed	No fishing allowed.
Largemouth Bass	May 3, 2025 to June 20, 2025	The minimum length limit is 14" and the daily bag limit is 5.
Largemouth Bass And Smallmouth Bass	June 21, 2025 to March 1, 2026	The minimum length limit is 14" and the daily bag limit is 5.
Muskellunge And Hybrids	May 24, 2025 to December 31, 2025	The minimum length limit is 40" and the daily bag limit is 1.
Northern Pike	May 3, 2025 to March 1, 2026	No minimum length limit and the daily bag limit is 5.
Paddlefish	Closed	No fishing allowed.
Panfish	Open All Year	No minimum length limit and the daily bag limit is 15, during May and June, but only 5 of any one species may be kept. During the remainder of the season, 25 panfish may be kept.
Rock, Yellow, And White Bass	Open All Year	No minimum length limit and the daily bag limit is unlimited.
Rough Fish	Open All Year	No minimum length limit and the daily bag limit is unlimited.
Round Goby	Open All Year	The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office.
Ruffe	Open All Year	The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office.
Shovelnose Sturgeon	Closed	No fishing allowed.
Smallmouth Bass	May 3, 2025 to June 20, 2025	Fish may not be harvested (catch and release only).
Trout	See specific regulations	https://dnr.wisconsin.gov/topic/fishing/trout/.
Walleye, Sauger, And Hybrids	May 3, 2025 to March 1, 2026	The minimum length is 15", but walleye, sauger, and hybrids from 20" to 24" may not be kept, and only 1 fish over 24" is allowed. The daily bag limit is 3.
White Perch	Open All Year	The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office.

DISCLAIMER: Information on this site is an interpretive summary of Wisconsin's fishing laws and regulations, and only applies to inland lakes. All other regulations, including those for trout and salmon, rivers, and border waters of the state (the Mississippi River or Great Lakes), can be found at https://dnr.wisconsin.gov/topic/fishing/regulations/index.html . For complete fishing laws and regulations, consult the Wisconsin State Statutes Chapter 29 and the Administrative Code of the Department of Natural Resources. The regulations listed here may not reflect the exact species found in the lake or flowage. Please check to make sure there is public access and water available for fishing. Consult the Menominee Tribal Legislature for fishing regulations within the boundaries of the Menominee Reservation.

For more information or to report a regulation inconsistency, contact

Fisheries Management