CaliforniaReservoir, 964 acres, Nevada County
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5,565.03ft
Down 1.17 ft this week
Sailing
CheckingReading the forecast
Kayak and SUP
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Power boating
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Fishing
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Outlook. Monday: SW wind 15 to 26 kt, gusts to 42 kt, high near 55°F. Tuesday: SW wind 3 to 11 kt, gusts to 17 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.
5,565.03ft NGVD29
-1.17 ft in 7 days10.64 ft below the October normal
Reading from Oct 25, 2026. Shaded band: range of October averages on record; dashed line is the typical level.
Boca Reservoir was at 5,565.03 ft on October 25, falling 1.17 ft over the past week. That is below normal for October: the typical October level is 5,575.67 ft, so the lake is 10.64 ft below its usual mark.
Background reading: Boca Reservoir on Wikipedia
Set in Nevada County, California, Boca Reservoir is a 964-acre reservoir. The reservoir dates to 1937.
We read the level from USGS gauge 10344490, listed as Boca Reservoir near Truckee CA. Wind and weather come from the National Weather Service grid cell over the lake, so the numbers describe open water rather than the nearest airport.
Small lakes rarely build big waves, but trees and hills around the shore make the wind patchy. Expect sudden puffs and lulls rather than a steady breeze. 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: SW wind 15 to 26 kt, gusts to 42 kt, high near 55°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.
Boca Reservoir was at 5,565.03 ft on October 25, falling 1.17 ft over the past week. That is below normal for October: the typical October level is 5,575.67 ft, so the lake is 10.64 ft below its usual mark.
Boca Reservoir covers about 964 acres (1.5 square miles) of surface water.
The dam that forms Boca Reservoir was completed in 1937.
If Boca is blown out, these are the closest alternatives. Tap through for their conditions.