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    Lake Lanier scenic landscape
    Home>Lakes>Lake Lanier>Water Level & Temperature
    Live Hydrology TelemetryLast updated: Oct 10, 2026 • 11:57 PM
    ← Lake Dashboard

    Lake Lanier Water Level & Water Temperature

    Hall, Forsyth, Dawson, Gwinnett, Georgia

    The linked gauge for Lake Lanier reported 1063.83 ft at its latest stored observation on Oct 11, 2026, on a falling 30-day trend (-1.37 ft).

    Stage / Gage1063.83 ft
    30-Day Trend-1.37 ft
    Benchmark1,071 ft MSL
    Surface Temp63.7°F
    Monitoring Station
    USGS NWIS
    LAKE SIDNEY LANIER NEAR BUFORD, GA
    Sensor ID02334400
    Distance7.5 mi away
    Vertical DatumNAVD88
    Photo: Wikimedia Commons contributor • CC BY-SA 4.0
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    Latest Gage HeightWater Level
    1063.83FT GAGE

    Local gage height: 1063.83 ft

    Observed Oct 11, 1:15 AMHistory & Readings ↓
    30-Day TrendWater Level
    Falling-1.37 FT

    -1.37 ft net change over past 30 days

    30-Day WindowHistorical Trajectory
    Maximum Recorded DepthWater Level
    160FT

    Deepest basin sounding across ~38,000 acres

    Basin MetricSurvey Reference
    Water TemperatureSensor Reading
    63.7°F

    Refreshing (60–70°F) · Cool swim · Moderate comfort

    Linked monitoring sensor

    Water Level

    Last 30 Days
    Surface elevation
    1,063.8 ft
    ↓ -1.4 ft (7 days)
    1,065.51,0651,064.51,0641,063.5Sep 11Sep 18Sep 26Oct 3Oct 111,063.8 ft
    Provisional USGS reading
    Daily History Table ↓

    Water Temperature (Surface)

    Surface temperature (Estimated Surface Temperature)
    68.2°F
    Estimated

    Nearby river temperature: 63.7°F at WHEELER CREEK AT BILL CHEEK ROAD, NEAR AUBURN, GA (13.8 mi away) · Oct 11, 3:15 AM UTC

    7673706663Oct 3Oct 6Sep 29Oct 2Oct 568.2°F
    Historical daily
    7-Day forecast
    Forecast uncertainty
    Temperature Guide ↓

    30-Day Gage Height History

    Gage height in feet · Daily observations
    30d Range1063.72 – 1065.09 ft
    1065.09 ft1064.40 ft1063.72 ftSep 10Sep 25Oct 9

    Recent Gage Height Readings

    Most recent linked-gauge observations, newest first. Gage height in ft .
    Observation DateGage height (ft)24h ChangeApproval Status
    Fri, Oct 9, 20261063.72-0.03 ftProvisional
    Thu, Oct 8, 20261063.75-0.06 ftProvisional
    Wed, Oct 7, 20261063.81-0.07 ftProvisional
    Tue, Oct 6, 20261063.88-0.04 ftProvisional
    Mon, Oct 5, 20261063.92-0.02 ftProvisional
    Sun, Oct 4, 20261063.94-0.02 ftProvisional
    Sat, Oct 3, 20261063.96-0.07 ftProvisional
    Fri, Oct 2, 20261064.03-0.06 ftProvisional
    Thu, Oct 1, 20261064.09-0.06 ftProvisional
    Wed, Sep 30, 20261064.15-0.06 ftProvisional
    Tue, Sep 29, 20261064.21-0.05 ftProvisional
    Mon, Sep 28, 20261064.26-0.05 ftProvisional
    Sun, Sep 27, 20261064.31-0.09 ftProvisional
    Sat, Sep 26, 20261064.40—Provisional

    Lake Lanier Water Temperature & Seasonal Thermal Guide

    Seasonal thermal layers, limnology dynamics, and temperature benchmarks.
    Current verified surface temperature: 63.7°F(Refreshing (60–70°F))
    Linked monitoring sensor
    Summer Peak (Jun–Aug)68°F – 78°FPrime open water swimming, tubing, and shoreline wading.
    Fall Shoulder (Sep–Nov)56°F – 66°FCool water; active fall bass, trout, and walleye feeding transition.
    Spring Pre-Spawn (Apr–May)48°F – 58°FCold shock hazard; wetsuits recommended and USCG PFD required.
    Winter Min (Dec–Mar)34°F – 44°FSevere immersion hazard; possible surface freezing or ice cover.
    Limnological Note: In temperate freshwater lakes, the epilimnion (surface layer) warms quickly on sunny afternoons, while water below 15–20 feet remains 10–20°F cooler.

    Lake Lanier Swimming & Immersion Suitability

    Real-time open water swimming readiness calculated from verified water temperature (63.7°F), cold shock hazards, and local atmospheric conditions for Lake Lanier
    Forecast & Solar Times →
    —/ 100
    Sensor Pending
    Telemetry Coverage:

    Direct in-situ sensor data is required to compute numeric suitability.

    Water temperature is not available from a verified source for this lake. No swimming score is shown without it.

    Scoring Factors & Telemetry Inputs
    Storms and alertsNo alerts100% score
    Air temperature67°F62% score
    Water temperatureActive
    Wind15 mph E74% score
    Precipitation chance77%21% score

    Lake Lanier Telemetry & Sensor Provenance

    Physical in-situ monitoring equipment, benchmarks & sensor specifications
    Monitoring StationLAKE SIDNEY LANIER NEAR BUFORD, GA
    Station IdentifierStation #02334400
    Coverage TypeDirect in-situ lake sensor
    Vertical DatumNot cataloged
    Sensor Coordinates34.1627° N, 84.0755° W
    Parameters Tracked00062

    Frequently Asked Questions About Lake Lanier Water

    Common questions about water levels, elevation, and swimming temperature
    What is the current water level at Lake Lanier?+
    The linked gauge's latest stored gage height for Lake Lanier is 1063.83 ft. Gage height is not water depth or automatically an elevation above sea level.
    How full is Lake Lanier?+
    LakeRadar cannot determine how full Lake Lanier is because a verified full-pool benchmark is not cataloged.
    What is the full pool elevation for Lake Lanier?+
    A full-pool benchmark is not available from a verified source for Lake Lanier.
    What is the water temperature of Lake Lanier?+
    The linked sensor's latest stored water-temperature reading for Lake Lanier is 63.7°F.
    How is Lake Lanier's water level measured?+
    The linked gage-height observations for Lake Lanier come from LAKE SIDNEY LANIER NEAR BUFORD, GA (automated hydrological monitoring network). LakeRadar stores normalized telemetry from verified in-situ hydrographic sensors.

    Real-time hydrological water levels, surface temperatures, atmospheric forecasts, and marine safety conditions. Return to Lake Lanier Dashboard → · Boating Outlook → · Sailing Guide → · Weather & Forecast → · Fishing Forecast → · Radar & Map →