Berck-sur-Mer tide times

Berck-sur-Mer is the southernmost town of the Opal Coast before the coastline turns into the Baie de Somme. The town divides geographically into Berck-Ville (the working town inland) and Berck-Plage (the resort strip at the sea), a split that developed when the original fishing port silted up in the 19th century and the beach became the economic asset. The beach itself is the reason Berck has the identity it does: a flat, wide, north-facing expanse of hard-packed sand exposed by a spring tidal range of approximately 7.5 m.

The tidal regime is semidiurnal and macrotidal. Mean range runs around 5.0 m; spring range reaches 7.5 m. High water at Berck occurs approximately 2 hours 5 minutes after Dover standard, slightly later than Le Touquet to the north. The exposed flat at low water on a spring tide extends 800 m to 1 km seaward of the dune face — firm enough for wheeled vehicles and wide enough to stage large-format events. The beach is oriented northeast, which means prevailing southwesterly winds arrive nearly broadside to the shoreline: ideal for wind sports operating parallel to the waterline.

Berck is France's principal land-kite and speed-sailing destination. The hard-packed spring-tide flat, a steady prevailing wind, and a long tradition of beach wind sports combine here in a way that is rare even on this macrotidal coast. The Rencontres Internationales de Cerfs-Volants de Berck — the international kite festival — runs for ten days each April and draws hundreds of kite artists and sport kiters from across the world. Giant inflatable figures, precision kite teams, and competitive speed-kiting fill the low-tide window. The festival dates are set around the spring low-water windows, when the flat is wide and firm.

Paragliding from the dune line is also established at Berck, launched from the dune edge above the beach. The dune — up to 20 m high in places — provides the launch height; the onshore wind component provides the soaring condition. The beach width at low water gives a clear landing zone. Flying is tide-dependent in the sense that a narrow high-water beach leaves little margin for landing; the standard launch window is mid-ebb to mid-flood, roughly a four-hour window centred on low water.

The Baie d'Authie sits immediately south of Berck: a wide estuarine bay formed by the Authie river where it meets the sea. The bay is macrotidal and exposed on the ebb to a vast intertidal system similar in character to the Baie de Somme further south. Grey seals (Halichoerus grypus) haul out on the Authie sandbanks; the colony, part of the broader Baie de Somme seal population, is accessible by foot at low water from the south end of the Berck beach. Approach from the dune-edge path rather than directly across the flat; the seals are tolerant of quiet observers at a distance of 50–100 m.

The town has a particular medical history: Berck developed as a centre for bone tuberculosis treatment in the late 19th century, when the combination of sea air and sand was believed therapeutic. The hospital architecture — large white buildings set back from the dune — is visible from the beach. The medical tradition brought a long-stay patient population and shaped the town's character in ways still detectable.

For shore anglers, the south end of the Berck beach and the Authie estuary mouth produce bass and flatfish. The tide window is the flood: fish move into the estuary system on the rising water to feed on the bivalves and invertebrates exposed by the previous ebb. The Authie channel itself shifts position slightly each tide on the neap-spring cycle.

Tide data for Berck-sur-Mer comes from the Open-Meteo Marine API (±45 min / ±0.2–0.3 m). SHOM authoritative tables give the precise reference.