reservoir • Napa County, CA

Lake Berryessa Water Level Today

Station: Lake Berryessa nr Winters, CA (USGS 11453900) • Managing Agency: U.S. Bureau of Reclamation (Solano Project)

Official Agency Page →
Dashboard Overview Water Detail & Climatology Wind & Weather Forecast
427.70 ft
lake surface elevation
NGVD29 datum • provisional
-12.30 ft
Full Conservation Pool Gap
Full Pool: 440.0 ft
1th
Historical Percentile
67 years of records
97.2%
Percent Full (Storage)
1,602,000 ac-ft capacity

Current Conditions Summary

Official hydrological data for Lake Berryessa (CA) indicates an observed water level of 427.70 ft (NGVD29). This station reports regular lake_surface_elevation readings. This places today's water level at the 1th percentile for this time of year.

Water Level Observation Chart

Middle 50% seasonal band shown in aqua

Boating Conditions & Wind Safety Strip

Forecast point: Lat 38.512, Lon -122.104 • NWS Hourly Model

Detailed Hourly Checker →
đŸ›ļ
Kayak / Paddleboard
NO_GO
đŸ›Ĩī¸
Bass Boat / Runabout
GO
đŸ›ŗī¸
Pontoon Boat
GO
âąī¸ Recommended Window: Best continuous window: 4 PM to 4 PM (48 consecutive hours of Go conditions)

Monitoring Station Location

Coordinates: 38.5120 N, -122.1040 W • Map © OpenStreetMap contributors

Verified Public Boat Ramps

No verified public boat ramps are officially indexed for this basin. In accordance with our data policy, we do not estimate ramp elevations without authoritative agency surveys.

Practical Tools for Lake Berryessa

Dock & Ramp Clearance

Calculate water depth over your slip floor or ramp toe today.

Lake Level Risk Report

Analyze multi-decade flood and drought frequencies for specific elevations.

Compare With Other Lakes

Compare Lake Berryessa against nearby lakes on level and wind.

About Lake Berryessa Hydrology

Lake Berryessa is a verified reservoir situated in Napa County, CA. Water resources and dam operations are managed by U.S. Bureau of Reclamation (Solano Project).

Official hydrological telemetry is captured at station Lake Berryessa nr Winters, CA (Station ID: 11453900) and is referenced to the NGVD29 vertical geodetic datum. The station features continuous daily observation records spanning back to 1957-01-01 (67 years of records).

Frequently Asked Questions About Lake Berryessa

What is the current water level of Lake Berryessa?

The latest verified reading for Lake Berryessa is 427.70 ft NGVD29, recorded at station 11453900.

Is Lake Berryessa currently considered normal, high, or low?

Lower than 99% of the 67 years on record for this calendar window (1th percentile).

What is the full conservation pool of Lake Berryessa?

Full pool elevation is authorized at 440.0 ft NGVD29. The lake is currently 12.30 ft below full pool.

What vertical datum is used for Lake Berryessa?

Elevations on Lake Berryessa reference the NGVD29 geodetic vertical datum. Always confirm this datum when comparing water readings to private dock surveys.

Who manages the dam and water releases on Lake Berryessa?

Water management and river operations are directed by U.S. Bureau of Reclamation (Solano Project).

Are public boat ramps on Lake Berryessa currently usable?

Launch usability depends on the specific ramp's toe elevation and your trailer draft. Check our verified ramp table above or calculate your exact hull clearance using the Clearance Calculator.

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