Waters · France

Lac du Der-Chantecoq fishing report

Updated Friday, 9 October 2026 · refreshed automatically through the day

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 (71/100)

Zander is the most promising species on Lac du Der-Chantecoq today. Water temperature is around 7.3°C and barometric pressure is stable.

Best time to fish today

• 19:00–21:00 local time — score 82/100
• 04:00–06:00 local time — score 83/100
• 07:00–09:00 local time — score 91/100

3-day outlook by species

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:

• pressure trend: helping (+1)
• light: helping (+1)
• cloud cover: helping (+1)
• season: helping (+1)
• wind: helping (+0.85)
• precipitation: helping (+0.77)

Forecast computed Fri, 09 Oct 2026 09:41:45 GMT · data: Open-Meteo · refreshed automatically through the day · see our published accuracy

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.

Read before you go

• When pike bite: the pressure, light and temperature windows
• Barometric pressure and fishing, explained

More common carp waters

• Balaton — Hungary
• Lac de Saint-Cassien — Provence, France
• Chiemsee — Bavaria, Germany
• Ebro (Mequinenza) — Aragón, Spain
• Embalse de Orellana — Extremadura, Spain

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)
• Bodensee (Lake Constance) — Baden-Württemberg, Germany (359 km away)
• Edersee — Hesse, Germany (423 km away)