Ontario · Canada

Lake Simcoe Ontario fishing forecast

Name: Lake Simcoe Ontario
Address: Ontario, CA

70 Good of 100

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.

Quick answer

Best monthsMay, June, July, August

Top speciesLake Trout, Smallmouth Bass, Walleye

Score now70/100

Local rulesCanada

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Today’s verdict

Ranks #233 of 409 spots FishRadar scored worldwide today

Trending down — 3 points below this spot’s 7-day average

Score confidence ±7 points, from 7 live signals

Helping the score most

Water temperature+15.0Waves+15.0Wind+4.5

Pressure trend

Pressure data unavailable

Best window today

05:00 · Light wind (0 km/h) and calm seas

Next solunar peak

minor 08:51

Current conditions

Sea surface temp	14.0 °C
Wind	21 km/h from ENE, gusting 27 km/h
Pressure	1027 hPa
Depth	3 m
Cloud cover	0%
Chlorophyll	10.03 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 2.9 °C cooler than the October average of 17.0 °C. Cooler-than-normal water slows the bite for warm-water species and holds cool-water species shallower for longer. The water is mixed to about 45.0 m, so surface temperature carries well down the water column.

Updated 1 h ago.

What the score means at Lake Simcoe Ontario

Lake Simcoe Ontario currently scores 70 out of 100 (Good). Water temperature is 14.0 °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 +4.5: surface chop, oxygen and bait drift
Barometric pressure +4.4: falling pressure often triggers feeding
Gust factor +4.0: gustiness versus steady wind
Pre-storm bite +2.4: the classic feed before heavy weather

What’s biting now

The model expects today: walleye, smallmouth-bass, yellow-perch, lake-trout, sauger, common-carp, european-carp-entry, muskellunge

Bite windows

Moon

Waxing Gibbous · 90% lit

Solunar day rating

50 / 100

Best months for Lake Simcoe Ontario:

Score history at this spot

30 days tracked at this exact location

Best recent day: 2026-10-06, 81/100

26 day(s) at 70+ in the tracked period

+13 points vs the same day last week

About this spot

Water type

Lake · Freshwater

Lakes have no tide, so target structure, drop-offs, and seasonal thermoclines where fish concentrate by depth and temperature.

Access & shore

Fishable from shore · beach

What you can catch

Lake Trout

Salvelinus namaycush
Smallmouth Bass

Micropterus dolomieu
Walleye

Sander vitreus
Yellow Perch

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

Fisheries and Oceans Canada (DFO) / Pêches et Océans Canada

Canada

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.