Tide Table Rongelap Island, Rongelap Atoll — 2026

📘 About Rongelap Island, Rongelap Atoll Tide Forecast

In the northern hemisphere, the coastal area of Rongelap Island, Rongelap Atoll (Marshall Islands) is positioned at coordinates 11.15° N and 166.90° E. Its tidal pattern is semi-diurnal (two high and two low tides per day), with a mean tidal range of 1m and spring tides reaching up to 1.5m. Rongelap has been uninhabited since 1985, when its residents self-exiled after decades of radioactive contamination from the 1954 Castle Bravo nuclear test. Tides have a moderate range of 0.5 to 1.5 metres, creating gentle currents that influence shore fishing. Mariners in semi-diurnal areas benefit from two high-water windows each day to cross shallow bars or enter marinas. Data from this station feeds into the global sea-level monitoring network, contributing to long-term change research. Access the updated 2026 tide table for Rongelap Island, Rongelap Atoll featuring exact high and low water times, ranges, and coefficients for boating and angling. In September, Rongelap Island, Rongelap 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.