- Fly only
A westerly has held for 14 hours, running colder than the water (7°C air against 11°C water). The end it blows into is taking that chilled surface water, so try the sheltered western end instead — off the back of the wind, where the undertow returns food along the bottom. That chill sits in the top of the water, though, and the bed is slower to feel it — on a bottom bait it is the undertow, not the temperature, that puts you at this end. Treat it as a tiebreaker between good swims rather than an override — features and angling pressure usually count for more.
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.
Sedge should come on through the afternoon as the water warms.
Bank-only venue. Fish from accessible margins, points, weed edges, and inflows.
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
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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 reasonable day here, though wind isn't quite in the sweet spot.

Snowdonia Terrain map
- Wind conditions (windy) are not ideal for this water.
- Temperature (cool) is in the sweet spot for autumn fishing.
- Buzzer is in its seasonal window, boosting the chance of targeted feeding.
Llyn Dulyn

A westerly has held for 14 hours, running colder than the water (7°C air against 11°C water). The end it blows into is taking that chilled surface water, so try the sheltered western end instead — off the back of the wind, where the undertow returns food along the bottom. That chill sits in the top of the water, though, and the bed is slower to feel it — on a bottom bait it is the undertow, not the temperature, that puts you at this end. Treat it as a tiebreaker between good swims rather than an override — features and angling pressure usually count for more.
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.
Sedge should come on through the afternoon as the water warms.
Bank-only venue. Fish from accessible margins, points, weed edges, and inflows.
Hatch predictions
Top nymph shown — see all 3 guilds as a supporter.
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 reasonable day here, though wind isn't quite in the sweet spot.

Snowdonia Terrain map
- Wind conditions (windy) are not ideal for this water.
- Temperature (cool) is in the sweet spot for autumn fishing.
- Buzzer is in its seasonal window, boosting the chance of targeted feeding.