Rules at a glance
- Free fishing
- Fly only
- Barbless
Water temperature for Rainbow Trout
Ideal13.9°Cideal 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
Good — water temperature is working for you, but river flow is the limiting factor today.
Likely species
Caddisflies
Caddisflies- Satin sedgeMost likelyLower confidence#12–14 · Egg-layingSkitter it at dusk — this one's fished, not dead-drifted.
- GrannomAlso possible#14–16 · PupaPupa first, then dries as the adults come off.
Hatch timeline · todayQuiet day
Hatch predictions
See the full hour-by-hour hatch timeline with Pro.
Start free trial14-day free trial. Cancel anytime.
Sub-surface · on the nymphunder the surface
Hatch predictions
See the full sub-surface read with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
Evidence
ModelledModerate confidence
Modelled from regional ecology — no survey or occurrence data for this water yet.
Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Brown SedgeHatch
2
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Blue Winged OliveHatch
2
3
3
3
3
2
Mayfly (Green Drake)Hatch
2
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Rainbow Trout fly box
Permits & access
Permit required — see local rules.
- RD Ajdovščina
- Fly-only, barbless.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Hubelj creek, Ajdovščina Terrain map
The full read · show the working · for Rainbow Trout · confidence 60%
How the 61 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow30 × 22%6.6
Clarity45 × 18%8.1
Feeding Time65 × 13%8.5
Pressure75 × 7%5.3
Insect activity36 × 12%4.3
Conditions total= 61
Can you trust it?
Water temperaturelive gauge readinggauge
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
A drop and clear would lift the flow and clarity scores.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 1 March → 30 September
- Marble trout 1 April → 31 October
Related guides
Booking & contacts
Hubelj
Water temperature for Rainbow Trout
Ideal13.9°Cideal 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
Good — water temperature is working for you, but river flow is the limiting factor today.
Likely species
Caddisflies
- Satin sedgeMost likelyLower confidence#12–14 · Egg-layingSkitter it at dusk — this one's fished, not dead-drifted.
- GrannomAlso possible#14–16 · PupaPupa first, then dries as the adults come off.
Hatch timeline · todayQuiet day
Hatch predictions
See the full hour-by-hour hatch timeline with Pro.
Start free trial14-day free trial. Cancel anytime.
Sub-surface · on the nymphunder the surface
Hatch predictions
See the full sub-surface read with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
Evidence
ModelledModerate confidence
Modelled from regional ecology — no survey or occurrence data for this water yet.
Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Brown SedgeHatch
2
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Blue Winged OliveHatch
2
3
3
3
3
2
Mayfly (Green Drake)Hatch
2
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Rainbow Trout fly box
Permits & access
Permit required — see local rules.
- RD Ajdovščina
- Fly-only, barbless.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Gallery · 2
Hubelj creek, Ajdovščina Terrain map
The full read · show the working · for Rainbow Trout · confidence 60%
How the 61 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow30 × 22%6.6
Clarity45 × 18%8.1
Feeding Time65 × 13%8.5
Pressure75 × 7%5.3
Insect activity36 × 12%4.3
Conditions total= 61
Can you trust it?
Water temperaturelive gauge readinggauge
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
A drop and clear would lift the flow and clarity scores.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 1 March → 30 September
- Marble trout 1 April → 31 October
Related guides
Booking & contacts