Spate · Mixed · North West / Donegal, IE

Eske / Lough Eske

Wide view across the calm waters of Lough Eske towards distant hills

Renowned Donegal sea trout fishery — a short river draining Lough Eske.

Today · Closed season
Fiery Brown Sedge
Forecast · Today
Closed season
Out of season. File this water for the right month.
40% projected
Today's fly
Fiery Brown Sedge
Fiery Brown Sedge
Conditions on the water · Today
Proxy gauge
Level
Rising
Proxy
via Gweebarra
Water temp15.0°C
ClarityUnfishable
Weather13°C
WindN 30 km/h
Pressure998 hPa
Rain · recent8.6 mm
Rain · ahead5.1 mm

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

Water temperature for Atlantic Salmon
Ideal
15°C est.ideal 10–16°C
0°14°28°
How to fish it · for Atlantic Salmon
When
Spring from March; grilse from June; main run summer through September. Eske is a small spate system — quick rises after rain, quick drops.
Where
Lower Eske and the lough margins. The river runs small; named pools through the short fishable stretch.
Method
Small doubles 10 to 12 across-and-down on a floating line; small tubes on a sink-tip in spring water. Catch-and-release encouraged across most Irish salmon water.
Kit
10 ft #7 single-hander on the smaller spate rivers; 11 ft switch where the river opens out. Floating line plus light sink-tip. 10 to 12 lb fluoro tippet.
Why this works
The river is in textbook shape. River dropping nicely into shape after a lift — textbook conditions. Clearing nicely — classic taking conditions. 13.3°C — in the ideal taking range for autumn salmon. This is the window experienced salmon anglers wait for — if you can get to the river, go now.
Likely species
Mayflies
Stoneflies
Caddisflies
Chironomids
Gammarids
Hatch timeline · todayPeak at 12pm

12pm(now) — Heather Fly

Stage: Terrestrials on topApproach: Dry flyActivity: 84%
Also:Daddy Long Legs51%Pond Olive30%
Peak emergence windowWeather boost9 food groups active

Peak activity at 12pm — Heather Fly (Heather Fly, Peak emergence window)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds as a supporter.

Start free trial

14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 5 as a supporter.

Start free trial

14-day free trial. Cancel anytime.

Evidence
Survey-backed · regionalHigh confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Salmon runRun
1
2
2
2
2
1
Sea trout runRun
1
2
2
2
2
2
1
Heather FlyHatch
2
2
Daddy Long LegsHatch
2
3
2
Claret DunHatch
2
3
2
Murrough (Great Red Sedge)Hatch
2
3
2

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

Ranked for today
Atlantic Salmon fly box

Connemara/Mayo low water: a lightly-dressed shrimp on a floating line with sink tip, sized down from 8s in cold spring water to 12s and 14s as summer water warms and clears. Where the current runs faster, a slim tube or hairwing swung through tracks better than a shrimp.

Permits & access
Free state water
State rod licence required for trout / salmon as applicable.
  • Lough Eske system, near Donegal town
  • Mixed access
  • State rod licence required.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
River Owenea
22 km
0
Brown trout · Salmon · Sea trout
Lough Eske
1.0 km
Brown trout · Char · Salmon
Eany Water
17 km
Brown trout · Salmon · Sea trout
River Finn
20 km
Salmon · Sea trout · Brown trout
Gweebarra
22 km
Brown trout · Salmon · Sea trout
Gallery · 2
  1. Wide view across the calm waters of Lough Eske towards distant hills
    Lough Eske near Harvey's Point, Donegal
  2. Terrain map of the venue
    Terrain map
About this water

Renowned Donegal sea trout fishery — a short river draining Lough Eske. Season 1 March to 30 September. Best fish usually taken in spring after the opening. Lough Eske provides holding water and the brief river below concentrates fish during runs. Fish it methodically as sea trout stage before entering. A river of beautiful Donegal setting and consistent sea trout opportunity. Char also present, alongside the salmon, sea trout and brown trout. The Eske system encompasses Lough Eske (the primary holding water) and the short outlet river to Donegal Bay. For 2026 this is a catch-and-release fishery under the Wild Salmon & Sea Trout Tagging Scheme — all salmon and grilse must be returned.

Hatches & food

No venue-specific hatch data yet; as a connected lough-river system, expect the mixed midge, olive and sedge food base typical of Donegal's lough-and-spate waters — a general expectation for this water type, not an observed hatch.

  • Lough system
  • Mixed
Water quality (WFD)
  • Ecology: Good
  • Chemical: Unknown
What this classification means

EPA WFD 2019-2024 — Good ecological status; corrected (was Moderate) 2026-06-18. Source: EPA Ireland WFD 2019-2024 classification (catchments.ie / EDEN).

EPA (Ireland) · IENW_37E050200

The full read · show the working · for Atlantic Salmon · confidence 75%
How the river scores — hydrology factors
Water heightMedium Ideal+2.3
Recent riseSmall Recent Rise+3.3
Falling after liftDropping Nicely Into Shape+4.5
Water temperatureCool To Moderate+3.0
Time in seasonLate Season+0.5
ClarityClearing+2.4
Hydrology base16.0
Rules that fired
Clearing After Spate Bonus+1
Residents stale — long since a spate-0.75
Will they take?Willingcaps the band

Fish should be willing to take — clearing, stained water.

Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Gweebarraproxy
What would change the calculation
No prolonged stable spell before the current rise.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Salmon 1 April → 30 SeptemberC&R
  • Sea trout 1 March → 30 September

Sea trout: Variable seasonal (2026) — Eske is historically a real Donegal sea-trout system but should not be oversold without fresh per-season catch evidence. Donegal-cluster identity (Eske, Eske Donegal lough) is real and valuable but operates at regional rather than national-flagship scale.

Related guides
Irish Loughs Playbooklough-style fishingThermal Layers & Troutreading depth and temperatureAtlantic Salmonsalmon tactics
Casting instructors near here
Booking & contacts