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Lake Tappan at Old Tappan Water Level & Fishing Conditions

Lake Tappan at Old Tappan NJ · USGS 01376950 · New Jersey · 41.0183, -74.0011

Current flow data is not published on this gauge page right now.

Flow
temporarily unavailable
Gauge Height
temporarily unavailable
Water Temp
temporarily unavailable

About This Gauge

USGS 01376950 is a public lake or reservoir gauge on Lake Tappan in New Jersey. Waderly uses this page as the canonical landing page for flow, water level, and fishing-condition checks on this water. There are 8 nearby gauges linked from this page for watershed context.

3-Day Weather Outlook

The NOAA forecast for Lake Tappan is not available on this page yet. Open Lake Tappan on the Waderly map for the live forecast.

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

Frequently Asked Questions

What other gauges should I check near Lake Tappan?

Nearby gauges worth checking include Hackensack River at Rivervale NJ (1.5 miles away), Pascack Brook at Westwood NJ (2.1 miles away), Pascack Brook at Park Ridge NJ (2.4 miles away). Comparing nearby gauges helps confirm whether conditions are changing upstream or across the watershed.

See the full picture for Lake Tappan

Open the live map to see Lake Tappan alongside weather, forecast, nearby gauges, and everything else Waderly tracks for the water.

Open the live map & forecast