LakeLevelIs Lake Tappan low right now?
Lake Tappan was at 54.91 ft on October 10, 2026. That is 2.85 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.03 ft a day.
Lake Tappan on Oct 10 in past years
202549.9+5.0
202453.9+1.0
202355.3−0.4
202252.1+2.8
202155.0−0.1
202050.8+4.1
Daily levels, last two weeks
| Date | Level (ft) | Change |
|---|---|---|
| Oct 10 | 54.91 | −0.03 |
| Oct 9 | 54.94 | −0.05 |
| Oct 8 | 54.99 | −0.03 |
| Oct 7 | 55.02 | −0.03 |
| Oct 6 | 55.05 | −0.03 |
| Oct 5 | 55.08 | −0.03 |
| Oct 4 | 55.11 | −0.04 |
| Oct 3 | 55.15 | −0.03 |
| Oct 2 | 55.18 | −0.03 |
| Oct 1 | 55.21 | −0.02 |
| Sep 30 | 55.23 | −0.03 |
| Sep 29 | 55.26 | −0.03 |
| Sep 28 | 55.29 | +0.13 |
| Sep 27 | 55.16 | +0.20 |
About Lake Tappan
- 10-year range
- 46.9 ft (November 14, 2016) to 55.7 ft (September 2, 2021)
- Data
- U.S. Geological Survey — USGS 01376950
- Datum
- NGVD29
Lakes near Lake Tappan
- Woodcliff LakeNew Jersey · 3 mi 91.0 ft −0.2 wkNormal for this time of year
- Oradell ReservoirNew Jersey · 5 mi 21.1 ft −1.0 wkLatest reading
- Wanaque ReservoirNew Jersey · 15 mi 291.7 ft −0.9 wkNormal for this time of year
- Greenwood LakeNew Jersey · 20 mi 618.4 ft −0.1 wkNormal for this time of year
- Boonton ReservoirNew Jersey · 22 mi 305.3 ft −0.1 wkNormal for this time of year
- Baisley PondNew York · 26 mi 5.6 ft −0.0 wkLatest reading
Questions
Is Lake Tappan low right now?
Lake Tappan was at 54.91 ft on October 10, 2026. That is 2.85 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.03 ft a day.
How often is the Lake Tappan level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Geological Survey (USGS 01376950). Readings are provisional and can be revised.