Spate · Mixed · South West Wales / Pembrokeshire

Eastern Cleddau

Eastern Cleddau terrain map
Terrain map

Small Pembrokeshire spate river (4-hour response) with summer sea trout focus.

Species

A good day — worth the effort

River steady at a fishable height. A reliable day. Match the water height and fish well.

75% confidence in this read
Water temperature for sea trout
Cool — slow
7°C est.ideal 8–15°C
0°14°28°
Why this score · for sea trout
  • Temperature7228% weight
  • Flow8022% weight
  • Clarity8518% weight
  • Feeding Time6013% weight
  • Pressure857% weight
  • Prey Activity4412% weight
Conditions
Level
0.67 m
Water temp
7.0°C
Estimated
Clarity
Clear
Air temp
9°C
Wind
W 22 km/h
Moderate breeze
Pressure
1009 hPa
Rain · 48h
0.0 mm
No meaningful rain
Rain · ahead
24.7 mm
Moderate rain · next 48h

Live readings — water temperature is an estimate where the gauge does not record it.

How to fish it · for sea trout
When
From dusk into the first half of the night.
Where
Deeper pools and slower glides · hold water and current seams.
Method
Fish dark patterns on a sink-tip or lightly sunk line, especially near structure.
Kit
10 ft #6/7 rod, floating line with a sink-tip option, 8–10 lb fluoro tippet for the swing.
Why this works
Good conditions. Clarity is favourable (85), Prey activity is weakest (44). ⏰ Sea trout become most active after dark, but this stretch closes at 20:50 — before that window fully opens. Fish hard in the last legal hour: overcast skies and warm evenings can bring fish on early even in fading light. ⏰ Sea trout become most active after dark, but this stretch closes at 20:52 — before that window fully opens. Fish hard in the last legal hour: overcast skies and warm evenings can bring fish on early even in fading light.
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Salmon runRun
1
2
2
2
2
2
1
Trout seasonSeason
1
2
2
2
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.

Directions
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About this water

Small Pembrokeshire spate river (4-hour response) with summer sea trout focus. Night fishing for sewin (sea trout) productive in summer. Less well known than big West Wales rivers but productive when conditions are right. Fish sinking-tip with small wets for night fishing. Tight window; wait for suitable water and be ready.

  • Mixed
Seasons & zones
  • Salmon1 April → 17 October
  • Trout3 March → 30 September

Sea trout: Variable seasonal (2026) — NRW At Risk classification. Small Pembrokeshire spate river. Sea trout present in summer but stocks are marginal; classified At Risk. Night fishing after summer spates is the productive approach.

Salmon: Negligible (2026) — NRW / EA 2024 Salmon Stocks Assessment classifies this Welsh principal salmon river 'at risk' — egg deposition below Conservation Limit. All Wales byelaws (in force 2020-2030) make catch & release mandatory. Conservation priority; not a salmon fishing destination. The Cleddau (Eastern + Western) is at risk; salmon now scarce.

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