Tide Table Fort Denison — 2026

📘 About Fort Denison Tide Forecast

With geographic coordinates of -33.85° S, 151.23° E, Fort Denison is a key coastal reference in Australia. Its tidal pattern is mixed semi-diurnal (unequal tidal heights across the day), with a mean tidal range of 1.2m and spring tides reaching up to 1.5m. With tides reaching up to 1.5m, local fishers typically work around the two hours flanking high tide to benefit from stronger flow. Experienced mariners on this coast know the second daily high tide is often lower, requiring careful depth checks at bars and channels. This shoreline is subject to seasonal wind and pressure variations that can affect tide height by up to 0.3m during extreme events. Access the updated 2026 tide table for Fort Denison featuring exact high and low water times, ranges, and coefficients for boating and angling. In September, Fort Denison is in its spring season, a key period for water sports, fishing, diving, and coastal navigation. Predictive output is continuously benchmarked against time series recorded by regional coastal reference stations.