Lake Tappan level history
In the 367 days we have on record (Nov 3, 2025 to Nov 4, 2026), the highest level was 55.34 ft on Aug 3, 2026 and the lowest was 48.07 ft on Feb 17, 2026.
Lake Tappan Water Level Today
Current elevation 54.61 ft
▼ 0.01 ft in 24 h▼ 0.13 ft in 7 days
As of Nov 4, 2026, 6:30 AM EST, Lake Tappan is at 54.61 ft. The level has fallen 0.13 ft over the last 7 days.
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Lake Tappan level history
Level
| Date | Elevation | Daily change | Storage |
|---|---|---|---|
| Nov 4, 2026 | 54.61 ft | −0.01 ft | — |
| Nov 3, 2026 | 54.62 ft | −0.01 ft | — |
| Nov 2, 2026 | 54.63 ft | −0.02 ft | — |
| Nov 1, 2026 | 54.65 ft | −0.02 ft | — |
| Oct 31, 2026 | 54.67 ft | −0.02 ft | — |
| Oct 30, 2026 | 54.69 ft | −0.03 ft | — |
| Oct 29, 2026 | 54.72 ft | −0.02 ft | — |
| Oct 28, 2026 | 54.74 ft | −0.02 ft | — |
| Oct 27, 2026 | 54.76 ft | −0.03 ft | — |
| Oct 26, 2026 | 54.79 ft | −0.01 ft | — |
| Oct 25, 2026 | 54.80 ft | −0.02 ft | — |
| Oct 24, 2026 | 54.82 ft | −0.04 ft | — |
| Oct 23, 2026 | 54.86 ft | −0.04 ft | — |
| Oct 22, 2026 | 54.90 ft | −0.02 ft | — |
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Lakes near Lake Tappan
Woodcliff Lake 2.5 mi · 90.68 ft Oradell Reservoir 4.5 mi · 20.63 ft Wanaque Reservoir 15 mi · 289.44 ft Greenwood Lake 20 mi · 618.40 ft Boonton Reservoir 22 mi · 305.03 ft Swimming River Reservoir 49 mi · 35.15 ft
All New Jersey lake levels FAQ
What is the Lake Tappan water level today?
54.61 ft as of Nov 4, 2026, 6:30 AM EST, reported by the U.S. Geological Survey.
How often is this page updated?
Every 3 hours. The gauge reports several times a day.
What is the highest and lowest level of Lake Tappan?
In the period we have (since Nov 3, 2025): 55.34 ft and 48.07 ft.
Data: U.S. Geological Survey, gauge 01376950 (official page). Provisional data, subject to revision. For information only. Not for navigation or flood safety decisions. Check the official source. LakeLevelHQ is not affiliated with any government agency.