Tide Table Dieppe — 2026

📘 About Dieppe Tide Forecast

Dieppe is located at 49.93° N, 1.08° E on the coast of France, in the northern hemisphere. Its tidal pattern is semi-diurnal (two high and two low tides per day), with a mean tidal range of 5.4m and spring tides reaching up to 7.2m. The coastal landscape here changes dramatically each tidal cycle: at high water, rocks and reefs disappear under metres of ocean. The semi-diurnal cycle flushes coves frequently, shortening water residence time and maintaining high oxygenation levels. Waters along this coast are influenced by events such as El Niño, which can temporarily raise mean sea level. Review the annual 2026 tide guide for Dieppe, constructed with continuous high and low water forecasts measured in metres. In September, Dieppe is in its autumn season, a key period for water sports, fishing, diving, and coastal navigation. All tide predictions are computed from harmonic constants validated for this coastal station, with accuracy within ±15 minutes for most conditions.