Spate · Mixed · Ångermanland / Jämtland, SE

Ångermanälven tributaries

Photo of Ångermanälven tributaries
Tomorrow · Closed season
Stonefly Nymph
Forecast · Tomorrow
Closed season
Out of season. Try elsewhere.
65% projected
Today's fly
Stonefly Nymph
Stonefly Nymph
Conditions on the water · Tomorrow
Estimate
Level
Moderate rain recently
No gauge reading
Water temp7.1°C
ClarityVery coloured
Weather10°C
WindN 9 km/h
Pressure1034 hPa
Rain · recent16.8 mm
Rain · ahead0.0 mm

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

Water temperature for Grayling
Ideal
7°C est.ideal 4–14°C
0°14°28°
How to fish it · for Grayling
When
Midday window — grayling feed best from late morning into early afternoon.
Where
Work runs and glides — grayling shoal in the bottom third of the water column.
Method
Tight-line nymph the bottom third with weighted patterns.
Kit
10 ft #3 rod, floating line, long leader to 4 lb fluoro for nymphs.
Likely species
Mayflies
Caddisflies
Gammarids
Hatch timeline · tomorrowPeak at 11:00

12:00(now) — Autumn Needle Fly

Stage: Creeping nymphsApproach: Heavy nymphActivity: 38%
Peak emergence window3 food groups active

Peak activity at 11:00 — Autumn Needle Fly (Autumn Needle Fly, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

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

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Evidence
Survey-backed · regionalHigh confidence

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

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
1
Yellow SallyHatch
2
3
3
2
Nordic SpringflyHatch
2
3
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2

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

Ranked for today
Fly box · Grayling
Small Perdigón
Small Perdigón
Hook 14–18 · Fly
in season · matches water height
Permits & access
Permit required — see local rules.
  • Fiskekort from local association
  • Check local size/catch limits.
What's coming
Plan ahead
5-day outlook
Gallery · 2
  1. Photo of Ångermanälven tributaries
    Ångermanälven tributaries — image via Wikipedia (Ångerman)
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Good
  • Chemical: Unknown
What this classification means

WFD ecological status Moderate → Good corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody SEB97D9E92-3432-4999-932F-CAF7578FA766 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · SEB97D9E92-3432-4999-932F-CAF7578FA766

The full read · show the working · for Grayling · confidence 75%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time20 × 13%2.6
Pressure80 × 7%5.6
Insect activity45 × 12%5.4
Conditions total= 75
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 June → 30 September
Related guides
Grayling Playbookgrayling tacticsEuro Nymphingsubsurface methods
Booking & contacts