Tide Table Rio-de-Janeiro CG — 2026

📘 About Rio-de-Janeiro CG Tide Forecast

With geographic coordinates of -22.93° S, 43.13° W, Rio-de-Janeiro CG is a key coastal reference in Brazil. Its tidal pattern is mixed semi-diurnal (unequal tidal heights across the day), with a mean tidal range of 0.7m and spring tides reaching up to 1.2m. With under 1.5m of variation, beaches maintain a relatively constant band of wet sand throughout the day. Sport fishers in mixed tide regions target the day's higher high tide when chasing predatory coastal fish. The coast here is influenced by large-scale ocean currents that modulate water temperature throughout the year. Access the updated 2026 tide table for Rio-de-Janeiro CG featuring exact high and low water times, ranges, and coefficients for boating and angling. In October, Rio-de-Janeiro CG is in its spring season, a key period for water sports, fishing, diving, and coastal navigation. Reported times and heights derive from fundamental harmonic component analysis (M2, S2, K1, O1) applied to these coordinates.