OregonReservoir, 1,052 acres, Linn County
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613.80ft
Up 0.46 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: SSW wind 4 to 6 kt, gusts to 14 kt, high near 52°F, 98% chance of rain. Tuesday: WSW wind 2 to 4 kt, gusts to 8 kt, high near 53°F, 80% chance of rain.
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.
613.80ft NGVD29
+0.46 ft in 7 days17.30 ft below the October normal
Reading from Oct 26, 2026. Shaded band: range of October averages on record; dashed line is the typical level.
Foster Lake was at 613.80 ft on October 26, rising 0.46 ft over the past week. That is well below normal for October: the typical October level is 631.10 ft, so the lake is 17.30 ft below its usual mark.
Background reading: Foster Lake on Wikipedia
Foster Lake is a 1,052-acre reservoir in Linn County, Oregon.
We read the level from USGS gauge 14186600, listed as Foster Lake at Foster, OR. 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.
It is big enough for a proper sail but small enough that waves rarely get serious. Gusts off the shoreline are usually the bigger story than wave height. 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: SSW wind 4 to 6 kt, gusts to 14 kt, high near 52°F, 98% chance of rain. 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.
Foster Lake was at 613.80 ft on October 26, rising 0.46 ft over the past week. That is well below normal for October: the typical October level is 631.10 ft, so the lake is 17.30 ft below its usual mark.
Foster Lake covers about 1,052 acres (1.6 square miles) of surface water.
If Foster is blown out, these are the closest alternatives. Tap through for their conditions.