Castle Lake level history
In the 134 days we have on record (Jun 24, 2026 to Nov 4, 2026), the highest level was 2,578.00 ft on Oct 30, 2026 and the lowest was 2,577.53 ft on Aug 31, 2026.
Castle Lake Water Level Today
Current elevation 2,577.93 ft
No change in 24 h▼ 0.03 ft in 7 days
As of Nov 4, 2026, 3:45 AM PST, Castle Lake is at 2,577.93 ft. The level has fallen 0.03 ft over the last 7 days.
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Castle Lake level history
Level
| Date | Elevation | Daily change | Storage |
|---|---|---|---|
| Nov 4, 2026 | 2,577.93 ft | 0.00 ft | — |
| Nov 3, 2026 | 2,577.93 ft | 0.00 ft | — |
| Nov 2, 2026 | 2,577.93 ft | −0.03 ft | — |
| Nov 1, 2026 | 2,577.96 ft | −0.03 ft | — |
| Oct 31, 2026 | 2,577.99 ft | −0.01 ft | — |
| Oct 30, 2026 | 2,578.00 ft | +0.02 ft | — |
| Oct 29, 2026 | 2,577.98 ft | +0.02 ft | — |
| Oct 28, 2026 | 2,577.96 ft | +0.16 ft | — |
| Oct 27, 2026 | 2,577.80 ft | +0.03 ft | — |
| Oct 26, 2026 | 2,577.77 ft | +0.07 ft | — |
| Oct 25, 2026 | 2,577.70 ft | +0.02 ft | — |
| Oct 24, 2026 | 2,577.68 ft | 0.00 ft | — |
| Oct 23, 2026 | 2,577.68 ft | 0.00 ft | — |
| Oct 22, 2026 | 2,577.68 ft | −0.01 ft | — |
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Lakes near Castle Lake
Spirit Lake West 5.2 mi · 3,441.19 ft Spirit Lake 5.5 mi · 3,403.22 ft Swift 3.2 Mi East of Lake 15 mi · 951.00 ft Yale Reservoir 16 mi · 473.00 ft Lake Merwin 20 mi · 220.00 ft Bull Run Reservoir No 1 54 mi · 981.83 ft
All Washington lake levels FAQ
What is the Castle Lake water level today?
2,577.93 ft as of Nov 4, 2026, 3:45 AM PST, reported by the U.S. Geological Survey.
How often is this page updated?
Every 3 hours. The gauge reports several times a day.
What is the highest and lowest level of Castle Lake?
In the period we have (since Jun 24, 2026): 2,578.00 ft and 2,577.53 ft.
Data: U.S. Geological Survey, gauge 14240446 (official page). Provisional data, subject to revision. For information only. Not for navigation or flood safety decisions. Check the official source. LakeLevelHQ is not affiliated with any government agency.