ConnecticutReservoir, 200 acres, Windham County
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307.52ft
Down 0.72 ft this week
Sailing
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Kayak and SUP
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Power boating
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Fishing
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Outlook. Monday: W wind 4 to 6 kt, gusts to 12 kt, high near 64°F. Tuesday: N wind 3 to 7 kt, gusts to 12 kt, high near 56°F.
7-day wind forecastLoads when you scroll here
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Last hour of NOAA MRMS radar, 1 km resolution. Map data © OpenStreetMap contributors, OpenMapTiles, OpenFreeMap.
307.52ft NGVD29
-0.72 ft in 7 days0.29 ft above the October normal
Reading from Oct 26, 2026. Shaded band: range of October averages on record; dashed line is the typical level.
West Thompson Lake was at 307.52 ft on October 26, falling 0.72 ft over the past week. That is above normal for October: the typical October level is 307.23 ft, so the lake is 0.29 ft above its usual mark.
Background reading: West Thompson Lake on Wikipedia
Set in Windham County, Connecticut, West Thompson Lake is a 200-acre reservoir.
Water level on this page comes from the U.S. Army Corps of Engineers reading at West Thompson Dam, published through the Corps' CWMS data service. Wind, gusts and rain come from the National Weather Service forecast grid that covers the water.
On water this size, waves stay small even on windy days. The catch is gusts: shoreline terrain funnels the wind into sharp puffs that catch out small boats and paddlers. Reservoir levels move with releases and inflow, so ramps and beaches can change week to week. The water level page tracks that day by day.
The go or no-go calls above are a starting point, not a guarantee. Read how we score conditions, and always check local rules and posted warnings before you launch.
The National Weather Service forecast for the lake from October 26: Monday: W wind 4 to 6 kt, gusts to 12 kt, high near 64°F. The panel at the top of this page refreshes the current wind, gusts and direction when you open it and turns them into a call for sailing, paddling, power boating and fishing.
West Thompson Lake was at 307.52 ft on October 26, falling 0.72 ft over the past week. That is above normal for October: the typical October level is 307.23 ft, so the lake is 0.29 ft above its usual mark.
West Thompson Lake covers about 200 acres (0.3 square miles) of surface water.
If West Thompson is blown out, these are the closest alternatives. Tap through for their conditions.