{ "station_id": "8518750", "location": "Atlantic Highlands, NJ", "datum": "MLLW", "constants": { "safety_margin_ft": 1.5, "mean_high_water_ft": 4.2, "mean_low_water_ft": 0.0, "spring_range_ft": 4.5, "neap_range_ft": 2.8 }, "metadata": { "author": "Bryan Takahashi", "version": "1.0", "last_updated": "2026-07-17", "source_note": "Derived from NOAA NOS/CO-OPS Station 8518750 historical averages and Atlantic Highlands Harbor Master logs (1982)." } }