Coastal Rain River · Granite · British Columbia, CA

Stamp / Somass River

Stamp / Somass River — Stamp River Provincial Park
Prime · Steelhead
Purple Spey · 12–16
Primelive now
About as good as it gets
Low and clear — careful approach country. Take your time — read the water before you cast.
90% confidence
What moved it
  • LevelProxyvia Cowichan River
  • Water temp12.7°C
  • ClarityClear
Today's fly
PS
Purple Spey12–16
A dependable searching pattern for these waters.
Conditions on the water
Proxy gauge
Level
Steady
Proxy
via Cowichan River
Water temp12.7°C
ClarityClear
Weather12°C
WindNE 8 km/h
Pressure1018 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

No gauge on this water — conditions are inferred from Cowichan River. The trend transfers, the absolute level does not.

Water temperature for Steelhead
Ideal
13°C est.ideal 4–13°C
0°14°28°
How to fish it · for Steelhead
When
Summer steelhead ~May–September; winter steelhead Dec–April; salmon in autumn.
Where
The Stamp/Somass at Port Alberni is one of the Island's most productive rivers — lake-fed flows carry summer and winter steelhead and enormous autumn salmon…
Why this works
Excellent — water temperature is right today, though insect activity could be better.
Likely species
Mayflies
Caddisflies
Chironomids
Damselflies & dragonflies
Hatch timeline · todayPeak at 18h

Hatch predictions

Today's headline hatch shown — see all 12 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 as a supporter.

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · September 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
Brown DunHatch
2
3
3
3
3
3
3
2
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2
Mahogany DunHatch
2
2

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

Ranked for today
Fly box · Steelhead
PS
Purple Spey
12–16 · Fly
A dependable searching pattern for these waters.
MT
Marabou tube
8–10 · Salmon fly
Swing it through the holding lie at a steady pace.
Permits & access
Permit required — see local rules.
  • Gear restrictions, wild steelhead C&R, salmon heavily regulated
  • Verify current BC regs (Region 1) and DFO notices.
What's coming
Plan ahead
5-day outlook
Other water nearby · 2
Englishman River
42 km
Cutthroat trout · Steelhead · Coho salmon
Nitinat River
45 km
Steelhead · Chinook salmon · Coho salmon
Gallery · 2
  1. Stamp / Somass River — Stamp River Provincial Park
    Stamp River Provincial Park
  2. Terrain map of the venue
    Terrain map
Conservation note

Summer and winter steelhead (wild C&R; hatchery support present) and big Pacific salmon runs (separately regulated). Clean-Drain-Dry.

Why this score · for Steelhead
  • Temperature10028% weight
  • Flow8022% weight
  • Clarity9518% weight
  • Feeding Time6513% weight
  • Pressure757% weight
  • Insect activity6312% weight
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 January → 31 December
Related guides
Euro Nymphingsubsurface methods
Booking & contacts