Lake Simcoe Ontario fishing forecast
Lake Simcoe Ontario is a freshwater fishing spot in Ontario, Canada. Anglers here target Lake Trout, Smallmouth Bass, Walleye, Yellow Perch. The most productive months are typically May, June, July, August, September, October.
Today’s verdict
Ranks #334 of 437 spots FishRadar scored worldwide today
Trending up — 3 points above this spot’s 7-day average
Score confidence ±7 points, from 7 live signals
Current conditions
| Sea surface temp | 22.0 °C |
|---|---|
| Wind | 10 km/h from NNW |
| Pressure | 1023 hPa |
| Depth | 7 m |
| Cloud cover | 100% |
| Chlorophyll | 5.45 mg/m³ |
| Salinity | 0.0 PSU |
| UV index | 0 |
| Wind sea | 0.0 m |
| Ground swell | 0.0 m at 0 s |
The water here is 3.3 °C warmer than the September average of 18.7 °C. Warmer-than-normal water pushes cool-water species deeper and brings warm-water species in earlier than the calendar suggests. The water is mixed to about 26.7 m, with the thermocline below that.
Updated 1 h ago.
What the score means at Lake Simcoe Ontario
Lake Simcoe Ontario currently scores 60 out of 100 (Hot). Water temperature is 22.0 °C. 7 forecast signals are active in this score.
- Water temperature +15.0
- how close the water is to this species mix’s comfort band
- Waves +15.0
- swell energy stirring the water column
- Wind +12.0
- surface chop, oxygen and bait drift
- Barometric pressure +4.4
- falling pressure often triggers feeding
- Gust factor +4.0
- gustiness versus steady wind
- Thermocline +3.0
- a defined layer stacks fish at one depth
What’s biting now
The model expects today: walleye, smallmouth-bass, yellow-perch, lake-trout, sauger, common-carp, european-carp-entry, muskellunge
Bite windows
Best months for Lake Simcoe Ontario:
Score history at this spot
30 days tracked at this exact location
Best recent day: 2026-08-12, 76/100
1 day(s) at 70+ in the tracked period
About this spot
Lakes have no tide, so target structure, drop-offs, and seasonal thermoclines where fish concentrate by depth and temperature.
Approximate bottom depth: 7 m
Access & shore
Fishable from shore · beach
What you can catch
-
Salvelinus namaycush
-
Micropterus dolomieu
-
Sander vitreus
-
Perca flavescens
Best months by species at Lake Simcoe Ontario
| Lake TroutSalvelinus namaycush | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Smallmouth BassMicropterus dolomieu | ||||||||||||
| WalleyeSander vitreus | ||||||||||||
| Yellow PerchPerca flavescens |
Typical months; local seasons and closures apply.
Local regulations
Licensing:
- saltwater-recreational — residents A recreational (tidal/marine) fishing licence issued by Fisheries and Oceans Canada (DFO) is required. Licences are region-specific (e.g. the BC Tidal Waters Sport Fishing Licence on the Pacific coast). Obtain them through the National Recreational Licensing System., non-residents Non-residents need the same DFO recreational tidal/marine licence for the relevant region.
- freshwater-recreational — residents Inland/freshwater angling licences are issued by each province or territory, not by DFO. Rules, seasons and fees vary by province., non-residents Non-residents need the relevant provincial/territorial freshwater angling licence.
Some rules may have changed since our last verification — always confirm with the authority before you fish.
FishRadar regulations are summaries for informational purposes only. Canadian recreational fishing rules vary by region, province/territory and species, and are set by Fisheries and Oceans Canada (marine) and provincial authorities (inland). Always verify current rules with DFO at dfo-mpo.gc.ca and your provincial authority before fishing.
Check Lake Simcoe Ontario before you go
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Nearby spots
Explore 10 more fishing spots within 1304 km of Lake Simcoe Ontario.
-
Lake Temagami ON
Lake St Clair ON
St Lawrence River Quebec
Bay of Fundy New Brunswick
Yarmouth Nova Scotia
Bluenose Banks
Gaspe Peninsula Quebec
Halifax NS
Prince Edward Island
Nova Scotia Banks
Frequently asked questions
What fish can you catch at Lake Simcoe Ontario?
Anglers at Lake Simcoe Ontario target Lake Trout, Smallmouth Bass, Walleye and Yellow Perch.
When is the best time to fish Lake Simcoe Ontario?
The most productive months at Lake Simcoe Ontario are typically May, June, July, August, September, October.
What is the fishing forecast for Lake Simcoe Ontario right now?
Lake Simcoe Ontario currently scores 60 out of 100, based on live ocean and weather conditions — see the full breakdown on this page.
Can you fish Lake Simcoe Ontario from shore?
Yes — Lake Simcoe Ontario is fishable from shore (beach).
Is the thermocline set up at Lake Simcoe Ontario right now?
Not strongly right now — the water column is fairly mixed, so fish are less depth-locked.
How deep is the water at Lake Simcoe Ontario?
The scored point sits over roughly 7 m of water. Depth shapes which species hold here and how the thermocline forms.
Fishing guides for this spot
- How to Catch TroutHow to Catch Smallmouth BassBest Time of Day to Fish
Forecasts, not guarantees — check local rules before you fish.