Freestone · Limestone · Ontario

Credit River

Credit River — Credit River, Mississauga, Ontario
Marginal · Brown Trout
Glo Bug · 8-14
Marginallive now
Slow going — pick your moments
River temperature is the limiting factor today, not the flow. Fish dawn or dusk if you go at all, and handle everything with extra care.
80% confidence
What moved it
  • Level2.61 mLast reading 20h ago
  • Water temp19.9°C
  • ClarityClear
Today's fly
Glo Bug
Glo Bug8-14
High-confidence seasonal pick
Conditions on the water
Live gauge
Level
Steady
2.61 m
Last reading 20h ago
Water temp19.9°C
ClarityClear
Weather22°C
WindW 4 km/h
Pressure1009 hPa
Rain · recent0.4 mm
Rain · ahead0.0 mm

Live readings — water temperature is an estimate where the gauge does not record it.

Water temperature for Brown Trout
Warm — slow
20°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Water at 19.9°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots.
Hatch timeline · todayPeak at 7am

Hatch predictions

Today's headline hatch shown — see all 7 active hatches hour by hour with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 3 with Pro.

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Evidence
ModelledModerate confidence

Modelled from regional ecology — no survey or occurrence data for this water yet.

Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
2
2
2
2
2
1
Quill GordonHatch
2
2
Blue QuillHatch
2
3
2
HendricksonHatch
2
2
Eastern March BrownHatch
2
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
  • Sanctuary reaches and FMZ 16 seasons; upper-river trout rules differ
  • Verify current OFRS.
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 1
Water here around 20°C — probably warm enough to stress Brown Trout . These are likely cooler.
Grand River (tailwater, below Shand Dam)
58 km
~10°C
Brown trout · Rainbow trout
Gallery · 2
  1. Credit River — Credit River, Mississauga, Ontario
    Credit River, Mississauga, Ontario
  2. Terrain map of the venue
    Terrain map
Conservation note

Naturalised lake-run steelhead, chinook and coho, plus resident/stocked brown trout in the cooler upper reaches (retention provincially regulated). Sanctuary reaches protect spawners. Clean-Drain-Dry.

The full read · show the working · for Brown Trout · confidence 80%
How the 28 is built — score × weight = contribution
Temperature26 × 28%7.3
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity65 × 12%7.8
Conditions total= 63
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 January → 31 December
Related guides
Euro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts