Grande-Terre

Grande-Terre is the eastern wing of Guadeloupe's butterfly silhouette — a flat limestone plateau shaped by coral accretion rather than volcanic activity, surrounded by reef-fringed coasts and backed by sugarcane fields. The geology contrasts directly with Basse-Terre to the west: no volcanoes, no steep river valleys, no black sand. The Atlantic coast on the northeast is exposed and high-energy, with consistent trade-wind swell breaking on the outer reef. The south coast from Sainte-Anne around to Pointe-à-Pitre is sheltered by the Petit Cul-de-Sac Marin — a broad, reef-protected lagoon where the water is calm enough for family swimming and reef snorkelling even when the Atlantic side is rough. Tidal range on Grande-Terre follows the wider Lesser Antilles pattern: mixed semidiurnal, spring range 0.3–0.5 m. The reef flats along the south coast partially expose at low spring tides, giving anglers access to reef flat fishing and snorkellers a shallower water column over the coral. At Pointe-à-Pitre, tidal current in the harbour and through the Rivière Salée — the channel separating Grande-Terre from Basse-Terre — is more prominent than the vertical tide range implies. The Rivière Salée is a narrow tidal channel; current direction reverses with the tide and runs 1.5–2.5 knots at mid-flood and mid-ebb on springs. Small craft transiting the Rivière Salée plan their passage to run with the current. SHOM publishes tide tables for Pointe-à-Pitre, the reference station for Guadeloupe. The Open-Meteo Marine API provides the gridded model data used on this site; accuracy is ±45 minutes on timing and ±0.2–0.3 m on height. For activities sensitive to precise water level — dinghy passage through the Rivière Salée, landing on reef-flat beaches at low spring tide, timing the ferry from Pointe-à-Pitre to Marie-Galante — consult SHOM tables alongside the model data. The ferry connections from Pointe-à-Pitre and Saint-François extend Grande-Terre's practical reach: La Désirade, Marie-Galante, and the îles de la Petite Terre are all within two hours by sea, each with their own tidal character worth planning around before departure.