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Massachusetts

Cambridge Reservoir

In Middlesex County, Massachusetts, Cambridge Reservoir offers a 532-acre largemouth water where seasonal forage and weather drive the bite.

Surface
532acres
Primary species
Largemouth
§ 01Today on the water · Cambridge Reservoirvia Open-Meteo · 04:30 local
Air temp
61.6°F
Barometric
30.00″
↑rising 24h(+0.11)
Wind
5mph
from W
Moon
Waxing Crescent
day 4.0 · 17% lit

Air conditions sampled near the lake center, not measured on the water · refreshed ~15 min

§ 03Next 3 daysvia Open-Meteo · interpretation
  1. 18
    julSat

    Watch the wind

    hi 87° · lo 58°

    Lean into wind-fed shorelines, all day. Wind drives bait position today; pick the shoreline taking it.

    ── stiff s wind

  2. 19
    julSun

    Watch the wind

    hi 81° · lo 60°

    Lean into wind-fed shorelines, all day. Wind drives bait position today; pick the shoreline taking it.

    ── direction shift overnight

  3. 20
    julMon

    Stable window

    hi 86° · lo 56°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light w wind · settled

§ 04Field notesMassachusetts

Where it is

Cambridge Reservoir sits in Middlesex County, Massachusetts, covering about 532 acres. Cover, depth, and weather drive the day's lanes more than the shoreline.

Seasonal pattern

Spring. Warming water pulls largemouth toward shallow, protected areas where they stage and spawn; the quickest-warming pockets lead.

Summer. Heat pushes fish off the shallows toward depth and shade; work the cooler ends of the day.

Fall. As water cools, forage and bass return toward shallower water; movement is wide, so covering water pays.

Winter. Cold water settles fish deep and slow; patience and a subtle presentation are the more dependable choice.

Key structure

  • Creek and cove mouths that funnel fish and bait
  • Weed edges and the clean lines along them
  • Inside turns where a bank changes angle
  • Submerged wood, brush, and laydown cover

The calendar decides which of these is worth time on a given day.

Forage

Panfish and resident baitfish form the forage on Cambridge Reservoir; bass cycle through cover as those schools shift.

Access

Boating access to Cambridge Reservoir is public; check ramps, water levels, and any seasonal closures before going.

Regulations

Check current state and local regulations before fishing; limits and seasons can change.

§ 05Sources & field guides

Field guides

Data & references

  • Today's conditions — Open-Meteo, refreshed every ~15 min
  • Moon phase — local astronomical calculation, no external API
  • Lake area, depth, structure — Identity, surface area, coordinates and county/state are from the ProjectD canonical waterbody index (snapshot conus-20260518-v1, group gnis:00611773). Maximum depth and regulation links were not available from an acceptable source and are intentionally omitted.
  • Regulations — verify current state and local regulations before fishing

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