LakeLevelIs Castle Lake low right now?
Castle Lake was at 2,577.76 ft on October 10, 2026. That is 0.27 ft below the typical level for October 10, within the normal range. Over the past week the lake has been steady.
Castle Lake on Oct 10 in past years
20242,577.7+0.1
20202,577.8−0.1
20192,578.2−0.4
20182,577.7+0.0
20172,577.8−0.0
20162,578.2−0.5
Daily levels, last two weeks
| Date | Level (ft) | Change |
|---|---|---|
| Oct 10 | 2,577.76 | +0.01 |
| Oct 9 | 2,577.75 | +0.01 |
| Oct 8 | 2,577.74 | −0.01 |
| Oct 7 | 2,577.75 | −0.01 |
| Oct 6 | 2,577.76 | ±0.00 |
| Oct 5 | 2,577.76 | −0.01 |
| Oct 4 | 2,577.77 | −0.01 |
| Oct 3 | 2,577.78 | ±0.00 |
| Oct 2 | 2,577.78 | −0.01 |
| Oct 1 | 2,577.79 | −0.01 |
| Sep 30 | 2,577.80 | +0.03 |
| Sep 29 | 2,577.77 | +0.01 |
| Sep 28 | 2,577.76 | −0.01 |
| Sep 27 | 2,577.77 | −0.01 |
About Castle Lake
- 10-year range
- 2,577.4 ft (September 6, 2018) to 2,581.1 ft (December 9, 2015)
- Data
- U.S. Geological Survey — USGS 14240446
- Datum
- NGVD29
Lakes near Castle Lake
- Spirit Lake WestWashington · 5 mi 3,442.5 ft +0.1 wkLatest reading
- Swift ReservoirWashington · 15 mi 963.0 ft −2.0 wkNormal for this time of year
- Yale ReservoirWashington · 16 mi 472.0 ft ±0.0 wkNormal for this time of year
- Lake MerwinWashington · 20 mi 230.0 ft +0.2 wkLower than usual for this time of year
- Bull Run Reservoir No 1Oregon · 54 mi 989.2 ft −5.2 wkNormal for this time of year
- Bull Run Reservoir No 2Oregon · 56 mi 857.8 ft +0.3 wkNormal for this time of year
Questions
Is Castle Lake low right now?
Castle Lake was at 2,577.76 ft on October 10, 2026. That is 0.27 ft below the typical level for October 10, within the normal range. Over the past week the lake has been steady.
How often is the Castle Lake level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Geological Survey (USGS 14240446). Readings are provisional and can be revised.