Muddy York Zone 13 fishing regulations (FMZ 13)
Two lines may be used when trolling from a boat in open water in Lake Huron (Main Basin).
The following species are not present in this Zone and are closed to fishing all year:brook trout
FMZ 13 part of the Great Lakes. Baitfish and leeches that are both dead and preserved can be transported into and out of BMZs and the Great Lakes.
Zone-wide seasons and limits in FMZ 13
These apply to every water in the zone unless a species exception, waterbody exception or sanctuary below says otherwise. "S" is the sport fishing licence limit and "C" the conservation licence limit.
| Species | Season | Limits | Today |
|---|---|---|---|
| Aggregate limits for trout and salmon (including splake) | See the official summary | S-5 and C-2; total daily catch and possession limit for all trout and salmon species combined | See limits |
| Atlantic salmon | open all year | S-1 and C-0 | Open today |
| Brown trout | open all year | S-5 and C-2 | Open today |
| Channel catfish | open all year | S-12 and C-6 | Open today |
| Crappie | open all year | S-30 and C-10 | Open today |
| Lake sturgeon | closed all year | Closed today | |
| Lake trout | January 1 to September 30 and December 1 to December 31 Jan 1 – Sep 30, Dec 1 – Dec 31 in 2026 |
S-2 and C-1 | Closed today |
| Lake whitefish | open all year | S-12 and C-6 | Open today |
| Largemouth and smallmouth bass combined | fourth Saturday in June to November 30 Jun 27 – Nov 30 in 2026 |
S-6 and C-2 | Open today |
| Muskellunge | third Saturday in June to December 15 Jun 20 – Dec 15 in 2026 |
S-1; must be greater than 102 centimetres, and C-0 | Open today |
| Northern pike | open all year | S-4 and C-2 | Open today |
| Pacific salmon | open all year | S-5 and C-2 | Open today |
| Rainbow trout | open all year | S-2 and C-1 | Open today |
| Sunfish | open all year | S-50 and C-25 | Open today |
| Walleye and sauger combined | open all year | S-6 and C-2 | Open today |
| Yellow perch | open all year | S-50 and C-25 | Open today |
Source: Ontario Fishing Regulations Summary, Zone 13 on ontario.ca. The summary is Ontario's guide to the regulations made under the Fisheries Act.
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Muddy York Fishing shows the official season for every stretch of 30+ Southern Ontario rivers, with today's conditions and the fly to use.
Start your free 7-day trialFrequently asked
When does trout season open in Zone 13?
Zone-wide, brown trout season is open all year. Some rivers have species exceptions or sanctuaries listed on this page that change this.
Can I fish in Zone 13 right now?
The table above shows which species are open today under the zone-wide seasons. A specific river or lake may differ, so check its species exceptions, waterbody exceptions and sanctuaries below before you go.
Do I need a fishing licence in Ontario?
Most anglers need an Outdoors Card and a valid fishing licence (sport or conservation). Some people are exempt, such as Ontario residents under 18 or 65 and over. Check the official licensing rules for your situation.
How do I know if a river is in Zone 13?
Ontario's Fisheries Management Zones are mapped on Fish ON-Line and in the official summary. River mouths on the Great Lakes are often in a different zone from the rest of the river.
All Ontario fishing zones → · Southern Ontario river guides → · Ontario salmon run →