Tide Table Ailuk Atoll — 2026

📘 About Ailuk Atoll Tide Forecast

The coordinates for Ailuk Atoll (10.22° N, 169.98° E) place this stretch of Marshall Islands's coast in the northern hemisphere. Its tidal pattern is semi-diurnal (two high and two low tides per day), with a mean tidal range of 1.1m and spring tides reaching up to 1.5m. Ailuk lies about 72 km north of Wotje, in the northern half of the Ratak Chain, with a population of 235 people in the 2021 census. With tides reaching up to 1.5m, local fishers typically work around the two hours flanking high tide to benefit from stronger flow. Mariners in semi-diurnal areas benefit from two high-water windows each day to cross shallow bars or enter marinas. Waters along this coast are influenced by events such as El Niño, which can temporarily raise mean sea level. The 2026 tidal schedule for Ailuk Atoll provides a full-year calendar of high and low waters alongside predicted sea levels. In September, Ailuk Atoll is in its autumn season, a key period for water sports, fishing, diving, and coastal navigation. Astronomical tables for this site are processed using tidal harmonic algorithms and adjusted for regional bathymetry.