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Clear Lake Water Level Today

Daily level, distance to full pool and history for Clear Lake, the largest natural freshwater lake entirely in California.

Updated · Source: CDEC station CKL Provisional

Water level Provisional

1,319.99ft

msl · 12:00 PM PST, Nov 8, 2026

  • 5.83 ftbelow full pool (1,325.8 ft)
  • −0.01 ftin 24 h−0.03 ft in 7 days−0.38 ft in 30 days
1,3181,3201,3221,3241,3261,3281,3181,3201,3221,3241,3261,3281,3181,3201,3221,3241,3261,328
  • Full pool
  • 1 yr ago

Is Clear Lake full?

No. Clear Lake is 5.83 ft below full pool (1,325.8 ft). It is 1.06 ft lower than a year ago (1,321.05 ft on Nov 8, 2025).

Clear Lake level history

View data table
DateLevel (ft)% full
Nov 8, 20261,319.99—
Nov 7, 20261,319.99—
Nov 6, 20261,319.98—
Nov 5, 20261,319.99—
Nov 4, 20261,319.99—
Nov 3, 20261,320.03—
Nov 2, 20261,320.01—
Nov 1, 20261,320.02—
Oct 31, 20261,320.02—
Oct 30, 20261,320.04—
Oct 29, 20261,320.05—
Oct 28, 20261,320.05—
Oct 27, 20261,320.05—
Oct 26, 20261,320.07—
Oct 25, 20261,320.09—
Oct 24, 20261,320.10—
Oct 23, 20261,320.11—
Oct 22, 20261,320.11—
Oct 21, 20261,320.13—
Oct 20, 20261,320.16—
Oct 19, 20261,320.16—
Oct 18, 20261,320.19—
Oct 17, 20261,320.21—
Oct 16, 20261,320.22—
Oct 15, 20261,320.24—
Oct 14, 20261,320.25—
Oct 13, 20261,320.28—
Oct 12, 20261,320.29—
Oct 11, 20261,320.31—
Oct 10, 20261,320.32—
Oct 9, 20261,320.37—
  • Clear Lake level
  • Full pool 1,325.8 ft
  • Above full pool
Source: CDEC · Daily averages since 2015

Clear Lake on Nov 8 in past years

Clear Lake water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today1,319.99—−5.83 ft
20251,321.05+1.06−4.77 ft
20241,320.08+0.09−5.74 ft
20231,320.39+0.40−5.43 ft
20201,318.85−1.14−6.97 ft
20191,321.19+1.20−4.63 ft
20181,319.19−0.80−6.63 ft
20171,320.51+0.52−5.31 ft
20161,319.87−0.12−5.95 ft

Today’s level is the lowest for this date since 2020.

Lake facts

Full pool
1,325.8 ft msl
Highest since 2015
1,328.84 ftFeb 23, 2017
Data since
Oct 20, 2015
Dam
Cache Creek Dam
River
Cache Creek
Gauge location
39.0390, −122.9120

Records cover Oct 20, 2015 to today (daily averages).

Weather on the lake

  1. This Afternoon71°FHighLow 45°FNW 6 mphPartly Sunny
  2. Tonight45°FLowW 1–6 mphMostly Cloudy
  3. Monday70°FHighLow 44°FWNW 1–8 mphMostly Sunny
  4. Tuesday76°FHighLow 45°FNNW 3 mphPatchy Fog then Sunny
  5. Wednesday76°FHighLow 45°FESE 1–5 mphSunny
  6. Thursday67°FHighLow 44°FSE 2–7 mphMostly Sunny then Slight Chance Light Rain
  7. Friday64°FHighLow 44°FSSE 1–6 mphChance Light Rain

Forecast: National Weather Service for the dam area (39.04, −122.91). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Clear Lake?
1,325.8 ft above mean sea level, which is 7.56 ft on the Rumsey gauge used locally to report the lake. Clear Lake is a natural lake; that level is its legal top under the Gopcevic decree, and Cache Creek Dam regulates the releases below it.
How much does Clear Lake need to be full?
Clear Lake needs 5.83 ft more water to reach full pool (1,325.8 ft), as of Nov 8, 2026.
Is Clear Lake rising or falling?
It is steady: −0.03 ft in the last 7 days and −0.01 ft in 24 hours, to 1,319.99 ft on 12:00 PM PST, Nov 8, 2026 (California Data Exchange Center).
When was Clear Lake last full?
It was last at or above full pool (1,325.8 ft) on Apr 30, 2026. On Nov 8, 2026 it was 5.83 ft below.
What is the highest level in our data?
Clear Lake reached 1,328.84 ft on Feb 23, 2017 (CDEC data since 2015; older records are not in this data set).
How much has Clear Lake changed in the last year?
In the last 12 months it ranged from 1,319.98 ft (Nov 6, 2026) to 1,326.33 ft (Mar 2, 2026), a swing of 6.35 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from California Data Exchange Center. The last reading is from 12:00 PM PST, Nov 8, 2026.

Where this data comes from

Hourly reservoir elevation from the California Data Exchange Center of the California Department of Water Resources (station CKL, cdec.water.ca.gov). Recent readings are provisional and may be revised. Weather from the National Weather Service.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.