Freestone · Volcanic · Arnarvatnsheiði / Vesturland, IS

Norðlingafljót

Norðlingafljót, Arnarvatnsvegur 01
Today · Closed season
Mýsla
Forecast · Today
Closed season
Out of season. Try elsewhere.
45% projected
Today's fly
Mýsla
Mýsla
Conditions on the water · Today
Proxy gauge
Level
Rising
Proxy
via Vatnsdalsá
Water temp8.4°C
ClarityVery coloured
Weather10°C
WindN 19 km/h
Pressure988 hPa
Rain · recent7.1 mm
Rain · ahead17.7 mm

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

Water temperature for Brown Trout
Cool — slow
8°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 · todayPeak at 13h

12h(now) — Iron Blue

Stage: On emergersApproach: Emerger or dryActivity: 26%
Also:Black Midge26%
Weather boost

Peak activity at 13h — Iron Blue (Iron Blue, Weather boost)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds as a supporter.

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Nordic SpringflyHatch
2
3
3
2
Ladoga CaddisHatch
2
3
2
Evening SedgeHatch
2
3
3
3
2
Arctic Cased CaddisHatch
1
2
2
2
1

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

Ranked for today
Fly box · Brown Trout
Permits & access
Permit required — see local rules.
  • Check the current local permit holder or booking conditions before fishing
  • This is interior trout-and-char water, not a standard lodge salmon river.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Norðurá
33 km
0
Brown trout · Salmon
Langá
51 km
0
Brown trout · Salmon
Þverá/Kjarará
24 km
Salmon
Grímsa
29 km
Brown trout · Salmon
Hvítá (Borgarfjörður)
29 km
Salmon · Sea trout · Brown trout
Gallery · 2
  1. Norðlingafljót, Arnarvatnsvegur 01
  2. Terrain map of the venue
    Terrain map
The full read · show the working · for Brown Trout · confidence 45%
How the 0 is built — score × weight = contribution
Temperature65 × 28%18.2
Flow30 × 22%6.6
Clarity15 × 18%2.7
Feeding Time70 × 13%9.1
Pressure80 × 7%5.6
Insect activity44 × 12%5.3
Limiting factor: Water is very coloured — too coloured for Brown Trout= 47
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Vatnsdalsáproxy
Prey activitymodelled from regional profilemodelled
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
A drop and clear would lift the flow and clarity scores.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout check current local permit conditions → check current local permit conditions
  • Char 1 May → 15 September

    Icelandic Arctic char (bleikja) — fishery permit controls all dates. Common season May–mid-September; exact dates issued per fishery permit. Resident lake char prime late May–mid-July; sea-run char (sjóbleikja) peak July–August. Always obtain the current fishery permit before fishing char in Iceland.

Related guides
Icelandglacial, spring-fed or runoffEuro Nymphingsubsurface methods
Booking & contacts