Tide Table Aunuu — 2026

📘 About Aunuu Tide Forecast

Situated along the coastline of American Samoa (-14.28° S, 170.56° W), Aunuu lies in the southern hemisphere. 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 0.8m. With under 1.5m of variation, beaches maintain a relatively constant band of wet sand throughout the day. The regularity of semi-diurnal tides — two highs and two lows approximately 6 hours apart — simplifies crossing planning and fishing scheduling. Its geographic position creates unique interactions between oceanic swell and local tidal currents. Review the annual 2026 tide guide for Aunuu, constructed with continuous high and low water forecasts measured in metres. In September, Aunuu is in its spring 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.