Rivers in California

Clear Lake at Lakeport

Lake County, CaliforniaNWS CLKC1USGS 11450000Eureka office

Below flood stage
2.34ftStage

Observed Mon, Sep 28, 9:15 PM PDT

Flood stage
9.00 ft
Forecast crest
2.35 ftMon, Sep 28, 10:00 PM PDT
Record crest
11.51 ft1998

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood12.00 ft
Moderate flood11.90 ft
Minor flood9.00 ft
Action8.00 ft
  1. 11.00 ftMajor flooding occurs all around the north end of the lake, especially in Lakeport and Clearlake Oaks. Highway 20 around the north end of the lake is closed in some areas.
  2. 9.00 ftLow lying structures and some main roads around the lake are threatened by the high lake levels.
  3. 8.50 ftMinor flooding of some lake side residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
  4. 8.50 ftMinor flooding of some lakeside residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
  5. 8.00 ftMinor flooding of some lakeside residents occurs.

Crest history

36 crests on NOAA’s list since 1914.

#DateStage
1February 24, 199811.51 ft
2February 2, 198611.34 ft
3January 3, 198311.34 ft
4January 28, 191411.09 ft
5February 22, 201710.63 ft
6March 2, 20199.96 ft
7March 28, 20119.40 ft
8January 31, 19958.89 ft
9February 27, 20048.87 ft
10January 25, 20178.60 ft
11February 22, 20248.49 ft
12February 26, 19938.48 ft
13March 21, 20238.47 ft
14April 5, 20068.46 ft
15February 16, 20258.39 ft
16March 7, 20068.27 ft
17January 4, 20068.15 ft
18January 4, 19977.94 ft
19March 21, 20167.91 ft
20March 23, 20167.89 ft
21March 25, 19997.87 ft
22May 21, 20057.86 ft
23May 10, 20067.83 ft
24April 13, 20037.79 ft
25February 25, 20086.56 ft

Most recent crests

  • February 16, 2025: 8.39 ft
  • February 22, 2024: 8.49 ft
  • March 21, 2023: 8.47 ft
  • March 2, 2019: 9.96 ft
  • April 20, 2018: 5.07 ft
  • February 22, 2017: 10.63 ft
  • January 25, 2017: 8.60 ft
  • March 23, 2016: 7.89 ft
  • March 21, 2016: 7.91 ft
  • April 13, 2014: 2.51 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the California Nevada River Forecast Center. Forecasts are issued routinely year-round.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.