What Is the Current Lake Ontario (Lake America) Water Level?
Live reading: loading...
See the live reading above. It is referenced to IGLD85 (International Great Lakes Datum of 1985), the Great Lakes standard reference datum. NOAA's CO-OPS API returns IGLD85 directly for Lake Ontario when queried with datum=IGLD, confirmed live on 2026-08-28 for station 9052030 (Oswego).
Source: NOAA CO-OPS