One of Norway's standout inland trout-and-grayling rivers, known for technical sight-fishing on glides and riffles. Dry-fly and emerger fishing is excellent in mid to late summer, with strong fish quality throughout key reaches.
- Mixed
Closed season
Season reopens 1 June. Plenty of other water available now.
Closed — confidence not applicable today.
Live now
Conditions on the water
Trends shown where the gauge supports them
Level
Dry recently
No gauge reading
Water temp
3.9°C
Estimated
Clarity
Clear
Air temp
2°C
Wind
W 3 km/h
Calm
Pressure
1002 hPa
Rain · 48h
1.3 mm
No meaningful rain
Rain · ahead
0.0 mm
No meaningful rain · next 48h
Live readings — water temperature is an estimate where the gauge does not record it.
How to fish · for grayling
The brief
When · where · method · kit
How to fish it · for grayling
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
10 ft #3 rod, floating line, long leader to 4 lb fluoro for nymphs.
Hatches & runs
What's on, when
Twelve months at a glance
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
1
Grayling seasonSeason
1
2
2
1
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.
Today's fly · curated pack
Top pattern + the box
6 patterns from this venue's curated pack
Detail · next 12h
Water temperature & rain
The two readings most likely to move the verdict
Water temperature for grayling
Cool — slow4°C est.ideal 4–14°C
0°14°28°
Evidence
Why today scores what it does
6 factors, signed
- Temperature9628% weight
- Flow6022% weight
- Clarity8518% weight
- Feeding Time1013% weight
- Pressure807% weight
- Prey Activity1312% weight
About this water
Hemsila, end to end
Field guide · contributor-editedHemsila · about
What this water is
Background · character · contributors
About this water
Hemsila · directions
How to get to the water
Directions
Hemsila · zones
Where the rules change
Seasons · zones · per-species rules
Seasons & zones
- Trout1 June → 15 September
- Grayling1 June → 15 September
Hemsila · permits
Licences, sorteo, the rules
Permits & access
Permit required — see local rules.
- Local fiskekort required from Inatur.no or local river manager
- Inland trout-and-grayling rules apply; this is not an anadromous salmon river
- No national salmon fee.
Hemsila
Google Places
One of Norway's standout inland trout-and-grayling rivers, known for technical sight-fishing on glides and riffles.
Species
Closed season
Season reopens 1 June. Plenty of other water available now.
Closed — confidence not applicable today.
Water temperature for grayling
Cool — slow4°C est.ideal 4–14°C
0°14°28°
Why this score · for grayling
- Temperature9628% weight
- Flow6022% weight
- Clarity8518% weight
- Feeding Time1013% weight
- Pressure807% weight
- Prey Activity1312% weight
Conditions
Level
Dry recently
No gauge reading
Water temp
3.9°C
Estimated
Clarity
Clear
Air temp
2°C
Wind
W 3 km/h
Calm
Pressure
1002 hPa
Rain · 48h
1.3 mm
No meaningful rain
Rain · ahead
0.0 mm
No meaningful rain · next 48h
Live readings — water temperature is an estimate where the gauge does not record it.
How to fish it · for grayling
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
10 ft #3 rod, floating line, long leader to 4 lb fluoro for nymphs.
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
1
Grayling seasonSeason
1
2
2
1
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.
Gallery · 1
Terrain map
Permits & access
Permit required — see local rules.
- Local fiskekort required from Inatur.no or local river manager
- Inland trout-and-grayling rules apply; this is not an anadromous salmon river
- No national salmon fee.
Directions
About this water
One of Norway's standout inland trout-and-grayling rivers, known for technical sight-fishing on glides and riffles. Dry-fly and emerger fishing is excellent in mid to late summer, with strong fish quality throughout key reaches.
- Mixed
Seasons & zones
- Trout1 June → 15 September
- Grayling1 June → 15 September
Other water nearby · 1