Coastal Rain River · Granite · British Columbia

Chehalis River

Wide wetland landscape of the Chehalis Flats near Harrison Mills, British Columbia, with braided water channels through marsh grass and mist-shrouded mountains in the background
Poor · Steelhead
Egg-Sucking Leech · 12–16
Poorlive now
Not the day for it
Low and clear — careful approach country. A morning for the obvious fish only.
55% confidence
What moved it
  • LevelLight rain recentlyNo gauge reading
  • Water temp18.9°C
  • ClarityClear
Today's fly
ES
Egg-Sucking Leech12–16
A dependable searching pattern for these waters.
Conditions on the water
Estimate
Level
Light rain recently
No gauge reading
Water temp18.9°C
ClarityClear
Weather16°C
WindSW 2 km/h
Pressure1017 hPa
Rain · recent2.9 mm
Rain · ahead4.8 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

Water temperature for Steelhead
Warm — slow
19°C est.ideal 4–13°C
0°14°28°
How to fish it · for Steelhead
When
Winter steelhead Dec–April; cutthroat and salmon in season.
Where
The Chehalis in the eastern Fraser Valley is an accessible, popular Lower Mainland river with a hatchery-supported winter steelhead run, cutthroat and salmon.
Why this works
Poor — water clarity is working for you, but water temperature is the limiting factor today.
Hatch timeline · todayPeak at 7am

Hatch predictions

Today's headline hatch shown — see all 5 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

See the full sub-surface read with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 2 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
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2
Mahogany DunHatch
2
2
American March BrownHatch
2
3
2

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

Ranked for today
Steelhead fly box
MT
Marabou tube
8–10 · Salmon fly
Swing it through the holding lie at a steady pace.
FM
Fry/minnow pattern
8–10 · Streamer
Strip it for fish chasing fry or in coloured water.
Permits & access
Permit required — see local rules.
  • Retain marked hatchery steelhead where permitted; release wild; gear restrictions
  • Verify current BC regs (Region 2).
What's coming
Plan ahead
5-day outlook
Other water nearby · 2
Harrison River
8.0 km
Cutthroat trout · Bull trout · Coho salmon
Vedder / Chilliwack River
23 km
Steelhead · Rainbow trout · Coho salmon
Gallery · 2
  1. Wide wetland landscape of the Chehalis Flats near Harrison Mills, British Columbia, with braided water channels through marsh grass and mist-shrouded mountains in the background
    Chehalis Flats near Harrison Mills, where the Chehalis River meets the Fraser Valley
  2. Terrain map of the venue
    Terrain map
Conservation note

Mixed hatchery and wild winter steelhead (retain marked hatchery only where permitted; release wild); cutthroat and salmon present. Clean-Drain-Dry.

Why this score · for Steelhead
  • Temperature1228% weight
  • Flow8022% weight
  • Clarity9518% weight
  • Feeding Time6513% weight
  • Pressure757% weight
  • Insect activity5812% weight
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 January → 31 December
Related guides
Euro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts