Spate · Acidic · Royal Deeside, Aberdeenshire

River Muick

The River Muick flowing through moorland and hills in the Cairngorms National Park, Scotland.
Poor · Rainbow Trout
Elk Hair Caddis · 12-16
Poorlive now
Not the day for it
Low and clear — careful approach country. A morning for the obvious fish only.
80% confidence
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp21.3°C
  • ClarityClear
Today's fly
Elk Hair Caddis
Elk Hair Caddis12-16
High-confidence seasonal pick
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp21.3°C
ClarityClear
Weather22°C
WindSW 13 km/h
Pressure1019 hPa
Rain · recent0.0 mm
Rain · ahead4.0 mm

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

Water temperature for Rainbow Trout
Warm — slow
21°C est.ideal 10–18°C
0°14°28°
How to fish it · for Rainbow 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 21.3°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 5pm

Hatch predictions

Today's headline hatch shown — see all 3 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

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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
Survey-backed · regionalHigh confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Updated 9 hours ago

Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Daddy Long LegsHatch
2
3
2
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2

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

Ranked for today
Rainbow Trout fly box
What's coming
Plan ahead
5-day outlook
Water here around 21°C. Nothing cooler within range — carry a thermometer.
Gallery · 2
  1. The River Muick flowing through moorland and hills in the Cairngorms National Park, Scotland.
    The River Muick in Cairngorms National Park, Aberdeenshire.
  2. Terrain map of the venue
    Terrain map
The full read · show the working · for Rainbow Trout · confidence 80%
How the 19 is built — score × weight = contribution
Temperature20 × 28%5.6
Flow60 × 22%13.2
Clarity85 × 18%15.3
Feeding Time65 × 13%8.5
Pressure75 × 7%5.3
Insect activity48 × 12%5.8
Limiting factor: Water temperature (21.3°C) is outside Rainbow Trout's preferred range (10–18°C)= 54
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Cooler water — back toward the 10–18 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Related guides
Scotland Playbookloch & river fishingSmall Stillwater Playbookstillwater tacticsThermal Layers & Troutreading depth and temperature
Casting instructors near here
Booking & contacts