Quabbin Reservoir

Worcester County, MA

MAYBEConfidence · Low
Best bite window
The highlighted window has passed. This read is still based on the latest cached weather; use the 7-Day forecast below for the next window.
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Quabbin Reservoir — light winds and rising pressure after a passing system for this window. Watch a front passing through. Weather-only read (no on-water history calibrating this yet).

Next forecast window
MAYBE

Fri · Sep 11, Now 8 AM (America/New_York)

Full read

The latest cached fishing-weather read for Quabbin Reservoir in Worcester County, MA is MAYBE. Its highlighted window has passed, so use the 7-day forecast below for the next available window. The main factor in its favor was dry conditions across the window, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 6 mph out of the west, gusting to 25 mph; surface pressure near 992 hPa on a rising trend; 0.00 inches of rain; and air temperature near 70 °F with overcast dominant. Confidence in this cached read is low; it was generated September 10, 2026, 1:00 PM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED September 10, 2026, 1:00 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
6mph

W · gust 25

Rain / Weather
0in

Overcast

Temp
70°F

21°C · hum 58%

Pressure
29.29inHg

Rising

7-Day Fishing Forecast

One read per day — the bite call, the window, the weather behind it

  1. Thu · Sep 10
    Window passed
    MAYBE
    A front passing through
    82° / 63°F
    6 mph · Wgust 39
    0.03 in
    ↑ +0.5 hPa
  2. Fri · Sep 11
    Now → 8 AM
    MAYBE
    A front passing through
    73° / 57°F
    4 mph · Ngust 14
    0.00 in
    ↑ +6.8 hPa
  3. Sat · Sep 12
    9 AM1 PM
    MAYBE
    A front passing through
    79° / 50°F
    4 mph · Sgust 25
    0.00 in
    ↓ +0.3 hPa
  4. Sun · Sep 13
    4 AM8 AM
    MAYBE
    A front passing through
    75° / 63°F
    5 mph · Sgust 25
    0.00 in
    ↓ -4.3 hPa
  5. Mon · Sep 14
    4 AM8 AM
    MAYBE
    A front passing through
    75° / 54°F
    4 mph · NWgust 21
    0.02 in
    ↑ +11.8 hPa
  6. Tue · Sep 15
    10 AM2 PM
    MAYBE
    A front passing through
    75° / 48°F
    4 mph · SWgust 30
    0.01 in
    ↓ -3.6 hPa
  7. Wed · Sep 16
    5 AM9 AM
    MAYBE
    A front passing through
    88° / 63°F
    7 mph · SWgust 30
    0.27 in
    ↓ -3.3 hPa

Last 3 days

Recent context — what just happened

Pressure
Steady
-4.7 hPa over 72h
Rain
Dry stretch
0.02 in totallast 72h
Wind
Gusty
6 mph · gust 35 · NW
Temperature
Warmer
+18.0°F over 72h77–48°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

About Quabbin Reservoir

Quabbin Reservoir, in Worcester County, MA, is one of two waterbodies in Massachusetts with natural reproducing populations of lake trout and landlocked salmon.

Surface area
24,012 acres
Max depth
141 ft
Elevation
530 ft
Type
Clear highland reservoir
Managing agency
Massachusetts Department of Conservation and Recreation (DCR); water supply operated by the Massachusetts Water Resources Authority (MWRA)
Dam
Winsor Dam (Swift River)

Primary species: Smallmouth bass, Largemouth bass, Lake trout, Landlocked salmon, Chain pickerel, Yellow perch, White perch, Black crappie, Brown trout, Rainbow trout, Bullhead catfish.

How Quabbin Reservoir fishes in different weather

How do cold fronts affect fishing on Quabbin Reservoir?

Cold fronts hit Quabbin Reservoir harder than they hit shallow, stained water. Clear conditions over a deep basin mean the post-front, high-pressure, blue-sky stretch is when fish are least willing to chase — expect about 36 to 48 hours of recovery. Fish respond by sliding off the banks and holding near bottom structure and channel edges. Adjust by fishing tighter to cover, dropping to slower bottom-oriented presentations, and treating the falling-barometer hours just ahead of the front as your best shot.

Does wind help or hurt the bite on Quabbin Reservoir?

On clear water, wind is usually your friend at Quabbin Reservoir. A steady chop breaks up light penetration and gives fish the cover to move up and feed, and windblown points and banks concentrate baitfish and active gamefish. The hard condition is the opposite: a dead-calm, bright, slick day, when the clear water lets fish see everything and they pull deep or go neutral. When it is slick, fish deeper and lighter; when it is blowing, work the windward structure.

How does barometric pressure change fishing on Quabbin Reservoir?

Falling barometric pressure — the hours as a front approaches — is one of the most dependable feeding triggers of the year on Quabbin Reservoir. Fish sense the drop and often feed hard before the weather turns. Once the front passes and pressure climbs into a stable high, the bite tightens and fish move deeper and slower. The takeaway is to be on the water during the falling-pressure window, and to shift to patient, deep, slow presentations once high pressure settles in.

Where are the fish in summer on Quabbin Reservoir?

Summer on Quabbin Reservoir means a well-defined thermocline, usually from around June into September. Fish concentrate in the oxygenated water just above it and along the deeper structure that intersects that depth, while the shallows go quiet in the midday heat. Because the daytime bite tightens, dawn, dusk, and night become the productive windows. Locate the thermocline, key on structure that tops out near it, and plan your effort around the cooler edges of the day rather than the bright middle.

When is the best time of year to fish Quabbin Reservoir?

On a clear highland reservoir like Quabbin Reservoir, the yearly rhythm is driven by weather and water temperature. Spring: warming water pulls fish up to spawn and feed, typically the most forgiving fishing of the year. Summer: they settle deep along the thermocline, and the bite favors dawn, dusk, and dark. Fall: a brief turnover unsettles things, then cooling water sparks a heavy feed-up. Winter: deep, suspended, and slow. Let the season's temperature trend guide your depth and timing rather than a fixed date.

Nearby waters

Weather data by Open-Meteo CC BY 4.0. Fishing Weather derives the fishing read.