- Fly only
A northeasterly has held for 6 hours at much the same temperature as the 10°C water. No thermal steer either way, but the drift still stacks food against the south-western end — the bank it is blowing into — so start there. This reads the upper water, though — a bottom bait at range feels it far less than a floater or a fish in the margins. Treat it as a tiebreaker between good swims rather than an override — features and angling pressure usually count for more.
Set up a broadside drift and cover the water systematically. Work a bushy searching pattern on the bob and drop a contrasting nymph on the point.
If the main plan is not working, switch to a smaller, more imitative pattern fished slower and deeper. A change of drift angle can also make a difference.
Watch for Sedge towards evening — this could be the best window of the day.
Bank-only venue. Fish from accessible margins, points, weed edges, and inflows.
Hatch predictions
Supporters see the full sub-surface read.
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Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Top prey shown — see all 5 as a supporter.
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Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
A good match for Llyn Cwm Corsiog — most conditions are close to what it fishes best in.
Llyn Cwm Corsiog Terrain map
- Wind conditions (ripple) closely match what this water fishes best in.
- Buzzer is in its seasonal window, boosting the chance of targeted feeding.
Llyn Cwm Corsiog
A northeasterly has held for 6 hours at much the same temperature as the 10°C water. No thermal steer either way, but the drift still stacks food against the south-western end — the bank it is blowing into — so start there. This reads the upper water, though — a bottom bait at range feels it far less than a floater or a fish in the margins. Treat it as a tiebreaker between good swims rather than an override — features and angling pressure usually count for more.
Set up a broadside drift and cover the water systematically. Work a bushy searching pattern on the bob and drop a contrasting nymph on the point.
If the main plan is not working, switch to a smaller, more imitative pattern fished slower and deeper. A change of drift angle can also make a difference.
Watch for Sedge towards evening — this could be the best window of the day.
Bank-only venue. Fish from accessible margins, points, weed edges, and inflows.
Hatch predictions
Supporters see the full sub-surface read.
Start free trial14-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 trial14-day free trial. Cancel anytime.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
A good match for Llyn Cwm Corsiog — most conditions are close to what it fishes best in.
Llyn Cwm Corsiog Terrain map
- Wind conditions (ripple) closely match what this water fishes best in.
- Buzzer is in its seasonal window, boosting the chance of targeted feeding.