St Marys River at Great Mills, MD

USGS gauge 01661500 · Maryland · 38.2418, -76.5037

Live flow data is temporarily unavailable for this gauge.

Waderly combines real-time USGS stream gauges with weather, barometric pressure trends, and solunar activity so you know what the water is doing before you go. The "typical" comparison above is an approximation based on the historical daily median flow for this date at this gauge.

Nearby Gauges

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• PISCATAWAY CREEK AT PISCATAWAY, MD · 40.7 mi
• WESTERN BRANCH AT UPPER MARLBORO, MD · 41.7 mi