Upper Mystic Lake is at 114.2 ft and has been steady over the last day.
Current Water Level
114.2 ft
34.80 m · Reservoir elevation
Compared with the reading at Nov 2, 2:00 PM
Delayed- Measured
- Nov 3, 2026 2:00 PM EST
- Retrieved
- Nov 3, 2026 2:50 PM EST
- Data Source
- USGS (opens in a new tab)
- Datum
- Reservoir gauge datum (see USGS station
Water Level Chart
Reservoir elevation from Oct 27, 2026 to Nov 3, 2026: started at 114.22 ft and ended at 114.17 ft; low 114.14 ft, high 114.22 ft.
Gaps in the line are periods with no readings; they are not filled in. View data table
24 Hour Change
±0.00 ft (steady)
from 114.17 ft on Nov 2
7 Day Change
−0.05 ft (falling)
from 114.22 ft on Oct 27
30 Day Change
n/a change not available
No comparable reading
Conditions & Warnings
Forecast
A current forecast is not available right now. Open the NWS forecast
Water Temperature
No official water temperature gauge is linked to this lake.
Weather warnings have not been checked for this lake yet. Always check weather.gov before going out on the water.
About Upper Mystic Lake
A description of this lake has not been written yet.
Upper Mystic Lake Location
Upper Mystic LakeMiddlesex County, Massachusetts
Map location is approximate. Map data © OpenStreetMap contributors.
Compare & Share
Compare with other lakesOfficial Source & Methodology
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Reservoir elevation
U.S. Geological Survey Water Data · ID
01102505· Reservoir gauge datum (see USGS station Official page
The headline number is the reservoir elevation reported by U.S. Geological Survey Water Data (typically every 15 minutes (provisional data)). The "Measured" time is when the agency recorded it; "Retrieved" is when this site last downloaded it.
Recent readings are provisional and may be revised by the agency. Wind, waves and dam operations can change the level between readings. This page is not a flood warning or navigation service; for safety information contact the lake operator and the National Weather Service.
Gauge verified 2026-10-28: UPPER MYSTIC LAKE, GATE HOUSE, AT WINCHESTER, MA read 114.21 ft. Coordinates are the gauge location. Confirm reference levels with the operator before publishing.
Nearby Lakes
All Massachusetts lakes- Sebago Lake99 mi away262.5 ft±0.0 ft (rising)
- Laurel Lake124 mi away5.2 ft±0.0 ft (steady)
- Saratoga Lake137 mi away202.2 ft−0.1 ft (falling)
- Great Sacandaga Lake153 mi away755.8 ft−0.1 ft (falling)
- Schoharie Reservoir168 mi away1,116.7 ft−0.3 ft (falling)
- Lake Tappan177 mi away54.6 ft±0.0 ft (falling)