Freestone · Mixed Sedimentary · Southland

Aparima River

Aparima River terrain map
Poor · Brown Trout
Hare & Copper Nymph · 12-16
Closed season
Season reopens 1 October. Plenty of other water available now.
Closed — confidence not applicable today.
What moved it
  • LevelProxyvia Pomahaka River
  • Water temp6.1°C
  • ClarityClear
Today's fly
Hare & Copper Nymph
Hare & Copper Nymph12-16
High-confidence seasonal pick
Conditions on the water
Proxy gauge
Level
Steady
Proxy
via Pomahaka River
Water temp6.1°C
ClarityClear
Weather1°C
WindSW 11 km/h
Pressure1019 hPa
Rain · recent10.2 mm
Rain · ahead12.4 mm

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

How these readings are sourced

Weather-only: no live gauge wired. Colours after rain — best falling and clearing.

Water temperature for Brown Trout
Cool — slow
6°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown 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.
Hatch timeline · todayQuiet day

Hatch predictions

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

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Evidence
ModelledModerate confidence

Modelled from regional ecology — no survey or occurrence data for this water yet.

Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
2
2
2
1
1
2
2
Deleatidium / NZ Mayfly DunHatch
3
3
3
3
2
2
3
3
3
Burrowing Mayfly / Green MayflyHatch
3
2
2
Caddis / SedgeHatch
3
3
3
2
2
3
Cased Caddis / CreeperHatch
3
3
3
2
2
3
3

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

Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
  • Southland Fish & Game region — a Fish & Game licence is required
  • Check the current Anglers Notice
  • Check Clean Dry (didymo present)
  • Respect private-land access.
What's coming
Plan ahead
5-day outlook
Other water nearby · 1
Oreti River
57 km
0
Brown trout
The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature37 × 28%10.4
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time60 × 13%7.8
Pressure80 × 7%5.6
Insect activity38 × 12%4.6
Conditions total= 63
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Pomahaka Riverproxy
Prey activitymodelled from regional profilemodelled
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 October (lower) / 1 November (upper reaches) → 30 April (upper) / year-round (lower)

    Southland Fish & Game licence required. Legal status: guidance_not_permission.

Related guides
Euro Nymphingsubsurface methods
Booking & contacts