← Lake Guide43.38° N · 72.06° W

New Hampshire

Sunapee Lake

Sunapee Lake occupies about 4,125 acres of Sullivan County, New Hampshire, with largemouth patterns that change by season, depth, and forage.

Surface
4,125acres
Primary species
Largemouth
§ 01Today on the water · Sunapee Lakevia Open-Meteo · 15:45 local
Air temp
76.6°F
Barometric
29.82″
↓falling 24h(-0.17)
Wind
12mph
from SSW
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

    Better early

    hi 77° · lo 55°

    Pre-dawn through 9am. Get on the water before the front; the bite likely shrinks once precip starts.

    ── front rolling in · s wind setting up

  2. 19
    julSun

    Watch the wind

    hi 71° · lo 59°

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

    ── stiff w wind

  3. 20
    julMon

    Stable window

    hi 80° · lo 53°

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

    ── light w wind · settled

§ 04Field notesNew Hampshire

Where it is

Sunapee Lake sits in Sullivan County, New Hampshire, covering about 4,125 acres. The fish move with the calendar, and the productive water moves with the fish.

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 Sunapee Lake; bass cycle through cover as those schools shift.

Access

Boating access to Sunapee Lake 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:00871340). 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

Last revised · Back to Lake Guide