Grand Lake Saint Marys Water Level
Grand Lake Saint Marys in OH is currently at 871.04 ft. See the 7-day trend, the lake map and ramps, and today's fishing conditions.
Grand Lake Saint Marys lake facts
- Current level: 871.04 ft
- Trend: steady
- Location: OH, USA
- Water type: reservoir
- Source: USGS
- Reading taken: 2026-10-22T03:15:00.000Z
About the Grand Lake Saint Marys water level
Grand Lake Saint Marys in OH is currently at 871.04 ft. See the 7-day trend, the lake map and ramps, and today's fishing conditions.
Levels are provided for general reference. Always confirm conditions with the lake's managing authority before launching or running a tournament.