A crisp, open sky after dark, with mild air moving in from the NE and steady pressure. The productive water at Llyn Mwyngi will be around points where shallow meets deep. Expectations low today; if anything moves, it will be in the morning. Fish the best hour hard and keep the rest short. Autumn rewards covering water while the fish roam.
The bites are poor now
Night
You will find Llyn Mwyngi in Gwynedd, Wales. It sits in rolling hill. Surface area is around 136 acres, which gives you real water without needing a boat. The edge runs 2.4 miles or so, easy to work in an afternoon. Dolgellau sits 4.9 miles from here and is the nearest stop. It is 61 miles to Telford, the nearest city. It sits near the edge of the county, so check which rules apply.
Depth is unmeasured here, so let the shoreline guide you. Where the bottom changes texture, fish gather; find that line. Bays and points beat straight shoreline every time on water like this. Reported across Gwynedd: brown trout, Atlantic salmon and European eel. Protected fish appear in the records for this area, so treat the list as information, not an invitation. Anyone new to Llyn Mwyngi should walk it once before setting up.
Seasonal averages run from 3°C in February up to 14°C in July. The swings are modest, so patterns change slowly. It is not guaranteed from one year to the next. June to September is hot work, so the first and last hours are what count. The season on Llyn Mwyngi follows the weather closely.
No access rule appears in what we hold. This is a natural basin, not a dammed one. There is a marina half a mile away for anyone bringing a boat. Mapping shows a campsite some 0.9 miles from the water. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Season dates differ by species, so read the table. Signs go up and come down, so check on the day. Llyn Cau at 1.5 miles is the sensible second choice. Ask locally about Llyn Mwyngi if anything is unclear.
27%
The bites are poor now
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 2.1 | 2.1 | 3.2 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 4.8 | 5 | 4.8 | 5.6 | 7 | 7.2 | 7.2 | 7.1 | 6.8 | 6.1 | 5.1 | 4.5 | 4.9 | 4.8 | 4.6 | 4.9 |
| 4° | 4° | 4° | 4° | 4° | 4° | 3° | 3° | 4° | 5° | 7° | 9° | 10° | 11° | 11° | 11° | 11° | 11° | 9° | 8° | 7° | 7° | 6° | 6° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1037 | 1037 | 1036 | 1036 | 1036 | 1036 | 1036 | 1035 | 1035 | 1035 | 1035 | 1035 | 1035 | 1034 | 1034 | 1033 | 1033 | 1033 | 1033 | 1033 | 1033 | 1032 | 1032 | 1032 |
| 89 | 89 | 87 | 85 | 86 | 87 | 88 | 87 | 87 | 83 | 77 | 71 | 67 | 65 | 64 | 63 | 64 | 67 | 72 | 77 | 82 | 83 | 84 | 85 |
Sam
AI Fishing Assistant for Llyn Mwyngi
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