Tide Table Ascension — 2026

📘 About Ascension Tide Forecast

Located in United Kingdom, Ascension sits at latitude -7.92° South and longitude 14.42° West. Its tidal pattern is semi-diurnal (two high and two low tides per day), with a mean tidal range of 0.6m and spring tides reaching up to 0.9m. With under 1.5m of variation, beaches maintain a relatively constant band of wet sand throughout the day. The semi-diurnal pattern, with two complete cycles every 24 hours, allows nautical activities to be planned in virtually any shift of the day. This location is part of a coastline continuously monitored by automated tide gauge networks. The 2026 tidal schedule for Ascension provides a full-year calendar of high and low waters alongside predicted sea levels. In September, Ascension 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.