Freestone · Sandstone · Black Forest / Baden-Württemberg, DE

Nagold

Nagold — Calw-Hirsau Nagold

Eastern Black Forest river, gentler gradient than the western streams with mixed brown trout and some rainbow.

Today · Not the day for it
Coch-y-bonddu
Forecast · Today
Not the day for it
Not much stacked in your favour today. Worth an hour if you are nearby, not worth the special trip.
45% projected
Today's fly
Coch-y-bonddu
Coch-y-bonddu
Conditions on the water · Today
Live gauge
Level
Rising
0.49 m
Lifting fast
Water temp14.3°C
ClarityUnfishable
Weather20°C
WindN 9 km/h
Pressure1020 hPa
Rain · recent0.0 mm
Rain · ahead13.4 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Rainbow Trout
Ideal
14°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
Excellent — water temperature is right today, though time of day could be better.
Likely species
Hatch timeline · todayPeak at 2pm

12pm(now) — Reed Smut

Stage: On emergersApproach: Emerger or dryActivity: 45%
Also:Heather Fly33%Cinnamon Sedge32%Pale Watery26%
Peak emergence window11 food groups active

Peak activity at 2pm — Autumn Dun (Autumn Dun, 12 food groups active)

Sub-surface · on the nymphunder the surface

Hatch predictions

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

Start free trial

14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 as a supporter.

Start free trial

14-day free trial. Cancel anytime.

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
2
2
2
1
Grayling seasonSeason
1
2
2
2
2
2
2
1
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
2
2
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1

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

Ranked for today
Rainbow Trout fly box

Southern Germany only. Trout and grayling in Bavarian meadow streams, alpine creeks and famous upper-river systems.

Permits & access
Permit required — see local rules.
  • Black Forest tributary
  • Fischereischein + Erlaubnisschein required.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
  1. Nagold — Calw-Hirsau Nagold
    Calw-Hirsau Nagold
  2. Terrain map of the venue
    Terrain map
About this water

Eastern Black Forest river, gentler gradient than the western streams with mixed brown trout and some rainbow. Club-managed beats with variable access. A river that rewards patient local knowledge.

  • Sandstone
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown

WFD classification · DERW_DEBW_44-01

The full read · show the working · for Rainbow Trout · confidence 90%
How the 82 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time60 × 13%7.8
Pressure75 × 7%5.3
Insect activity71 × 12%8.5
Conditions total= 83
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
Seasons & zones
  • Trout 1 March → 30 September
  • Grayling 1 May → 31 December

    Baden-Württemberg state rule: grayling (Äsche) closed 1 January – 30 April. Open season 1 May – 31 December. Individual fishing association (Fischereiverein) rules may apply. Always check the specific permit.

    Season dates are set at state or regional level — confirm the local rules.

    Prime sport 1 August → 30 November

Related guides
Booking & contacts