Tide Table Surabaya — 2026

📘 About Surabaya Tide Forecast

The coordinates for Surabaya (-7.21° S, 112.72° E) place this stretch of Indonesia's coast in the southern hemisphere. Its tidal pattern is mixed semi-diurnal (unequal tidal heights across the day), with a mean tidal range of 1.6m and spring tides reaching up to 2.2m. Recreational boaters should check the table for this port, as a 2–3 metre swing can expose sandbanks. Significant diurnal inequality in mixed tides generates stronger currents when falling from the higher high water to the lower low water. Tidal dynamics in this bay or inlet are shaped by the geometry of its entrance, which can amplify or reduce range relative to the open sea. This page shows the complete 2026 tide table for Surabaya, with precise high and low tide times and heights in metres for every day of the year. In July, Surabaya is in its winter 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.