Waters · France
Lac du Der-Chantecoq fishing report
Updated Sunday, 23 August 2026 · refreshed several times daily
Europe's legendary big-carp reservoir, drawn down every winter for Seine flood control. The shifting water level concentrates fish — and the pike fishing is far better than its fame suggests.
Today's report: good (76/100)
Zander is the most promising species on Lac du Der-Chantecoq today. Water temperature is around 19.9°C and barometric pressure is falling.
Best time to fish today
- 19:00–21:00 local time — score 82/100
- 22:00–00:00 local time — score 89/100
- 10:00–12:00 local time — score 91/100
3-day outlook by species
| Species | Saturday 22 Aug | Sunday 23 Aug | Monday 24 Aug |
|---|---|---|---|
| Common Carp | 64 — good | 88 — excellent | 91 — excellent |
| Northern Pike | 41 — fair | 46 — fair | 45 — fair |
| Zander | 76 — good | 80 — excellent | 81 — excellent |
Why this score
Cast & Scan uses a deterministic, published scoring model — no black box. The strongest influences on today's Lac du Der-Chantecoq rating:
- water temperature: helping (+1)
- pressure trend: helping (+1)
- precipitation: helping (+0.9)
- wind: helping (+0.85)
- season: helping (+0.85)
- solunar period: helping (+0.7)
Forecast computed Sun, 23 Aug 2026 13:22:25 GMT · data: Open-Meteo · refreshed several times daily · see our published accuracy
Scan your exact spot
This page rates a representative point on Lac du Der-Chantecoq. Bays, river mouths and depth changes can fish very differently — open the scanner, drop a pin on your exact swim and get a spot-specific forecast with tactics. Free, in the browser, no signup.
Wondering how this stacks up against the apps you already know? Cast & Scan vs Fishbrain vs BassForecast — an honest comparison, including where they beat us.
Nearby waters
- Seine (Paris) — Île-de-France, France (179 km away)
- Rhine (Cologne) — North Rhine-Westphalia, Germany (307 km away)
- Rhône (Lyon) — Auvergne-Rhône-Alpes, France (315 km away)
- Lac d'Annecy — Haute-Savoie, France (321 km away)