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Nickajack Lake Water Level Today

Daily level, distance to full pool and history for Nickajack Lake, on the Tennessee River in Tennessee.

Updated · Source: NWS gauge NKJT1 Provisional

Water level Provisional

633.45ft

msl · 1:00 PM EST, Nov 9, 2026

  • 0.55 ftbelow summer pool (634.0 ft)
  • +0.50 ftin 24 h−0.12 ft in 7 days+0.30 ft in 30 days
632634636632634636632634636
  • Full pool
  • 1 yr ago

Is Nickajack Lake full?

No. Nickajack Lake is 0.55 ft below summer pool (634.0 ft). It is 0.43 ft higher than a year ago (633.02 ft on Nov 9, 2025).

Nickajack Lake level history

Full pool 634.0 ft
View data table
DateLevel (ft)
Nov 9, 2026633.45
Nov 8, 2026633.21
Nov 7, 2026633.85
Nov 6, 2026633.66
Nov 5, 2026633.37
Nov 4, 2026633.63
Nov 3, 2026633.77
Nov 2, 2026633.70
Nov 1, 2026633.88
Oct 31, 2026633.52
Oct 30, 2026633.53
Oct 29, 2026633.54
Oct 28, 2026633.52
Oct 27, 2026633.78
Oct 26, 2026633.71
Oct 25, 2026633.22
Oct 24, 2026633.24
Oct 23, 2026633.84
Oct 22, 2026633.14
Oct 21, 2026633.33
Oct 20, 2026633.39
Oct 19, 2026633.17
Oct 18, 2026633.54
Oct 17, 2026633.74
Oct 16, 2026633.21
Oct 15, 2026633.12
Oct 14, 2026633.10
Oct 13, 2026632.98
Oct 12, 2026632.92
Oct 11, 2026633.34
Oct 10, 2026633.15
  • Nickajack Lake level
  • Full pool 634.0 ft
  • Above full pool
Source: NOAA NWPS · Daily averages since 2022

Nickajack Lake on Nov 9 in past years

Nickajack Lake water level on Nov 9 in past years
YearLevel (ft)vs todayvs full pool
2026today633.45—−0.55 ft
2025633.02−0.43−0.98 ft
2024633.23−0.22−0.77 ft
2023633.91+0.46−0.09 ft
2022633.93+0.48−0.07 ft

Today’s level is the highest for this date since 2023.

Lake facts

Summer pool June 1 target
634.0 ft msl
Highest since 2022
634.63 ftFeb 14, 2025
Lowest since 2022
632.53 ftSep 14, 2023
Data since
Oct 27, 2022
Dam
Nickajack Damcompleted 1967
River
Tennessee River
Operated by
TVA
Dam location
Marion County
Gauge location
34.9992, −85.6192

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Oct 27, 2022 to today (daily averages).

Nickajack Lake map and depth

  • Dam
  • Level gauge
Shoreline © OpenStreetMap contributors · Open the full map
Surface area
about 3,680 acresmeasured on the OpenStreetMap outline
Height of Nickajack Dam
81 ftNational Inventory of Dams

The outline shows the mapped shoreline, not today’s water line: when the lake is low, the water stands back from it.

Weather on the lake

  1. This Afternoon72°FHighLow 43°FN 0–5 mphSunny
  2. Tonight43°FLowCalmMostly Clear
  3. Tuesday72°FHighLow 44°FW 0–5 mphPartly Sunny
  4. Wednesday70°FHighLow 52°FW 0–5 mphMostly Sunny
  5. Thursday61°FHighLow 38°FW 10–15 mphPartly Sunny
  6. Friday51°FHighLow 32°FNW 10–15 mphMostly Sunny
  7. Saturday54°FHighLow 32°FNW 0–5 mphSunny

Forecast: National Weather Service for the dam area (35.00, −85.62). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Nickajack Lake?
634.0 ft above mean sea level is the summer pool, the level TVA aims to hold from June 1. TVA keeps the lake lower in fall and winter to leave room for flood water, so winter levels below this are normal.
How much does Nickajack Lake need to be full?
Nickajack Lake needs 0.55 ft more water to reach full pool (634.0 ft), as of Nov 9, 2026.
Is Nickajack Lake rising or falling?
It is falling: −0.12 ft in the last 7 days and +0.50 ft in 24 hours, to 633.45 ft on 1:00 PM EST, Nov 9, 2026 (NOAA National Water Prediction Service).
When was Nickajack Lake last full?
It was last at or above summer pool (634.0 ft) on Jul 14, 2026. On Nov 9, 2026 it was 0.55 ft below.
What is the highest level in our data?
Nickajack Lake reached 634.63 ft on Feb 14, 2025. The lowest was 632.53 ft on Sep 14, 2023 (NOAA NWPS data since 2022; older records are not in this data set).
How much has Nickajack Lake changed in the last year?
In the last 12 months it ranged from 632.64 ft (Jan 28, 2026) to 634.38 ft (Apr 22, 2026), a swing of 1.74 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from NOAA National Water Prediction Service. The last reading is from 1:00 PM EST, Nov 9, 2026.

Where this data comes from

Lake level reported by TVA through the National Weather Service (gauge NKJT1, water.noaa.gov); history from the Iowa Environmental Mesonet archive of the same reports. Recent readings are provisional. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

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.