Spate · Volcanic · North Iceland

Jökulsá á Brú

The turquoise glacial waters of Jökulsá á Brú flowing through a basalt column gorge in eastern Iceland
Good · Atlantic Salmon
Green Butt · 12-16 doubles
Goodlive now
A good day — worth the effort
Low and clear — careful approach country. Small, sparse flies, long leader, careful approach.
50% confidence
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp10.5°C
  • ClarityClear
Today's fly
Green Butt
Green Butt12-16 doubles
Iceland's most universal salmon pattern. Start here on any river.
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp10.5°C
ClarityClear
Weather6°C
WindNW 27 km/h
Pressure1002 hPa
Rain · recent0.5 mm
Rain · ahead1.4 mm

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

Water temperature for Atlantic Salmon
Ideal
11°C est.ideal 10–14°C
0°14°28°
How to fish it · for Atlantic Salmon
When
Morning into early afternoon.
Where
Pool tails, steadier runs, and any water with pace.
Method
Fish a sensible line-and-fly combination for the height and pace of water.
Kit
13 ft #8/9 double-hander in spate, 10 ft #8 single in low water. Floating line plus a fast-sink tip. 12–15 lb fluoro tippet.
Why this works
Good — water temperature is working for you, but time of day is the limiting factor today.
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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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds 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
March BrownHatch
2
3
2
GrannomHatch
2
2
Large StoneflyHatch
2
3
2
Yellow SallyHatch
2
3
2

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

Ranked for today
Atlantic Salmon fly box
Permits & access
Permit required — see local rules.
  • Premium North Iceland salmon river
  • Booking via established operators
  • Permits sell out.
What's coming
Plan ahead
5-day outlook
Other water nearby · 2
Laxá í Aðaldal
11 km
74
Brown trout · Char · Salmon
Laxá í Mývatnssveit
23 km
Brown trout · Char
Gallery · 2
  1. The turquoise glacial waters of Jökulsá á Brú flowing through a basalt column gorge in eastern Iceland
    Jökulsá á Brú cutting through basalt columns near Brú
  2. Terrain map of the venue
    Terrain map
Why this score · for Atlantic Salmon
  • Temperature10030% weight
  • Flow6025% weight
  • Clarity9520% weight
  • Feeding Time1015% weight
  • Pressure8510% weight
Related guides
Atlantic Salmonsalmon tacticsEuro Nymphingsubsurface methods
Booking & contacts