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Lake Ontario water level today
Source: NOAA CO-OPS official gauges
Datum: IGLD 1985, feet
Datum: IGLD 1985, feet
Oswego, NY
245.41 ft
Latest reading (provisional) · Oct 18, 2026, 4:24 AM ET · -0.02 ft in 7 days (daily means)
Daily mean, last 10 days
Source: NOAA CO-OPS 9052030 ↗
Rochester, NY
245.47 ft
Latest reading (provisional) · Oct 18, 2026, 4:30 AM ET · -0.08 ft in 7 days (daily means)
Daily mean, last 10 days
Source: NOAA CO-OPS 9052058 ↗
Olcott, NY
245.55 ft
Latest reading (provisional) · Oct 18, 2026, 4:24 AM ET · -0.16 ft in 7 days (daily means)
Daily mean, last 10 days
Source: NOAA CO-OPS 9052076 ↗
Fishing rules on Lake Ontario
Lake Ontario can have its own limits that differ from statewide or zone rules. Check our pages and the official booklets before you fish:
Water levels are provisional agency data, can change after review, and are not for navigation.
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