Fish Lake Water Level

Oregon · updated daily from the U.S. Bureau of Reclamation

4620.62 ft

Fish Lake is low for this time of year and steady (-0.04 ft in the last 7 days).

Change since yesterday: +0.00 ft

Reading as of 2026-08-14 · higher than 0% of August readings on record

Where Fish Lake sits historically

TODAY 4620.62 ftRECORD LOW4620.62 ft2026-08-13RECORD HIGH4637.64 ft2025-06-03

Today's level compared with every reading in our 4.5-year record for this lake.

Since yesterday

+0.00 ft

7-day change

-0.04 ft

30-day change

-5.00 ft

1-year change

-13.27 ft

Last 30 days

2026-07-154620.0–4626.2 ft2026-08-14

Last 12 months

2025-08-144618.9–4636.8 ft2026-08-14

Full history (4.5 years)

2022-02-234618.6–4639.7 ft2026-08-12

Fish Lake records and averages

Current level4620.62 ft
Record high4637.64 ft (2025-06-03)
Record low4620.62 ft (2026-08-13)
Average of all readings4631.7 ft
Data span4.5 years (1,998 readings)

Frequently asked questions

Is Fish Lake full right now?

As of 2026-08-14, Fish Lake sits at 4620.62 ft, which is low for this time of year.Over the past 30 days the level has fallen 5.00 ft.

What is the water level at Fish Lake today?

The most recent reading is 4620.62 ft (2026-08-14), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Fish Lake has ever been?

The highest level in our records is 4637.64 ft on 2025-06-03. The lowest is 4620.62 ft on 2026-08-13. Our record covers about 4.5 years of readings.

Is Fish Lake low for this time of year?

Compared with every August in our records, the current level is higher than 0% of them — low for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Fish Lake changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Fish Lake has fallen 5.00 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

How much has Fish Lake changed over the past year?

The level is -13.27 ft compared with this date last year (4620.62 ft today). The full-history chart above covers 4.5 years, with a record high of 4637.64 ft and a record low of 4620.62 ft.

Nearby lakes in Oregon

Fourmile Lake water level
5726.03 ft · steady
Howard Prairie Lake water level
4511.04 ft · falling
Hyatt Reservoir water level
5002.36 ft · falling
Upper Klamath Lake water level
4141.85 ft · falling
Emigrant Lake water level
2170.82 ft · falling
Agate Reservoir water level
1481.08 ft · falling

Source: the U.S. Bureau of Reclamation. Readings are provisional and subject to revision by the publishing agency. All Oregon lake levels.