Lake · Winchester, Middlesex, Massachusetts
Upper Mystic Lake
Location Snapshot
Upper Mystic Lake is a suburban eastern Massachusetts warmwater lake with a broad bass-and-panfish community. The principal supported target is largemouth bass, with chain pickerel, yellow perch, bluegill, black crappie, common carp, and brown bullhead providing additional species variety within the same fishery.
Current Lake Rating
Point-in-time lake rating — separate from the trip recommendation below.
Fair
This condition rating is estimated because current on-water monitoring is not available.
Estimated Conditions
Estimated from available current readings, weather, seasonal patterns, destination characteristics, and historical conditions. Some important on-water measurements may be unavailable.
Rating confidence: Low
Should I Go?
Consider
Fishing guidance for this destination based on available lake conditions, weather, and seasonal context. It is not a boating, swimming, ice, or access-safety rating.
Recommendation confidence: Low
Why
- Current water-level and water-temperature observations are not available.
- StrikeTracks is showing a provisional Estimated Conditions rating from accepted secondary evidence.
Current Readings
- Water level
- 114.34 ft
- Change over 24 hours
- -0.02 ft
- Trend
- Falling
- Last updated
- 57 min ago
Source: USGS · UPPER MYSTIC LAKE, GATE HOUSE, AT WINCHESTER, MA · 01102505 · Reservoir elevation
Better Nearby Options
Checking nearby StrikeTracks waters…
Weather Near Lake
Current Weather
Clear
Temperature
39°F
Feels like
31°F
Wind
9 mph NW
Wind gust
15 mph
Current precipitation
0.00 in
Updated
Oct 20, 2026, 5:45 AM
Recent Rainfall
Estimated precipitation near this lake
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this lake.
Next 24 Hours
Tue 6 AM
Clear
Temp 39°F
Chance 0%
Precip 0.00 in
Wind 8 mph
Tue 10 AM
Clear
Temp 54°F
Chance 0%
Precip 0.00 in
Wind 11 mph
Tue 2 PM
Clear
Temp 61°F
Chance 0%
Precip 0.00 in
Wind 13 mph
Tue 6 PM
Clear
Temp 53°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Tue 10 PM
Overcast
Temp 46°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Wed 2 AM
Overcast
Temp 44°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Four-Day Forecast
Tue, Oct 20
Overcast
High 61°F / Low 39°F
Chance 0%
Precip 0.00 in
Max gust 27 mph
Wed, Oct 21
Overcast
High 51°F / Low 42°F
Chance 4%
Precip 0.00 in
Max gust 24 mph
Thu, Oct 22
Overcast
High 62°F / Low 42°F
Chance 4%
Precip 0.00 in
Max gust 26 mph
Fri, Oct 23
Partly cloudy
High 55°F / Low 40°F
Chance 4%
Precip 0.00 in
Max gust 25 mph
Weather and rainfall are estimated for this lake's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence lake level and access, but the timing and magnitude depend on watershed size, soil conditions, and reservoir operations where applicable.
Weather data: Open-Meteo
Lake Elevation History
Elevation is reported relative to the datum used by this USGS monitoring site. Elevations from different lakes or datums should not be directly compared.
Loading historical elevation…
Fishery Profile
Documented species you may encounter at Upper Mystic Lake.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Fishery overview
Largemouth bass are the primary fish in Upper Mystic Lake at Winchester, and they are established. Chain pickerel and yellow perch are common and established. Black crappie, bluegill, brown bullhead, common carp, and pumpkinseed are present and established in the same Massachusetts lake. Upper Mystic Lake covers 200 acres, averages 40 feet deep, and reaches 85 feet.
Target species
Largemouth Bass
Micropterus nigricans
- Expectation
- Primary
- Population
- Established
- Native status
- introduced
- Confidence
- Medium confidence
Source: MassWildlife
Chain Pickerel
Esox niger
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- Medium confidence
Source: MassWildlife
Yellow Perch
Perca flavescens
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- Medium confidence
Source: MassWildlife
Black Crappie
Pomoxis nigromaculatus
- Expectation
- Present
- Population
- Established
- Native status
- introduced
- Confidence
- Medium confidence
Source: MassWildlife
Bluegill
Lepomis macrochirus
- Expectation
- Present
- Population
- Established
- Native status
- introduced
- Confidence
- Medium confidence
Source: MassWildlife
Brown Bullhead
Ameiurus nebulosus
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- Medium confidence
Source: MassWildlife
Common Carp
Cyprinus carpio
- Expectation
- Present
- Population
- Established
- Native status
- introduced
- Confidence
- Medium confidence
Source: MassWildlife
Pumpkinseed
Lepomis gibbosus
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- Medium confidence
Source: MassWildlife
Fishery characteristics
- Composition
- Wild
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Shore fishing
- Spinning
Official sources
Location and Access
Cataloged lake location
Winchester, Middlesex, Massachusetts
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
Lake Details
Town
Winchester
County
Middlesex
Surface Area
200 acres
Maximum Depth
85 ft
Average Depth
40 ft
Target Species
Largemouth Bass, Chain Pickerel, Yellow Perch, Brown Bullhead, Bluegill, Pumpkinseed, Black Crappie, Common Carp
Public Access
Public
Boat Launch
Available
Shore Fishing
Available
Motor Restrictions
No motorized boats in Upper Mystic Lake (DCR).