New Hampshire · Belknap County
Lake Winnisquam
Laconia · Tilton · Sanbornton
Loading live conditions for Lake Winnisquam…
Make a day of it
Plan your visit to Lake Winnisquam
Things to doTours & activities on Lake Winnisquam
Boat cruises, fishing trips, kayak rentals, and guided adventures from local operators.
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Places to stayLake houses & rentals
Vacation rentals right on the water.
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"The Lakes Region's "third lake" — quieter than Winnipesaukee but with the same warm summer water and easy Laconia/Tilton access. Popular for boating and shoreline rentals."
Seasonal pattern
When does Lake Winnisquam warm up?
Lake Winnisquam is deep (max depth 169ft) and carries significant thermal inertia, so it warms slowly — surface temperatures typically don't reach comfortable swimming range until late June or early July. Spring-fed or alpine lakes stay cooler all summer. The live forecast above shows current conditions.
Field notes
About Lake Winnisquam
- Deep — second-deepest in the Lakes Region
- Connected to Winnipesaukee by a short channel
- Surface area
- 4,264 acres
- Max depth
- 169 ft
- County
- Belknap
- Water data
- Modeled estimate from air-temp trends