Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

Lake Powell
For September 27th, 2025
Snowpack is 257.42% of avg
TotalPrecip is 81.67% of avg

Lake Powell is currently 413.02 feet deep at the dam
Water Summary
Today is day 361 of 365 for the Water Year 2025. We are 99% through the Water Year.
Last Reading: 3545.02 on Friday, September 26th, 2025
Powell was last within 3" of this elevation on Sep 25, 2025
There are currently 2,206,043,500,959 gallons of water in Lake Powell!
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15 Day Weather Forecast
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SW Water Vapor


Elevation & Content Water Inflow Data Glen Canyon Dam Release Data
Lake Powell is 154.98 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 27.84% of Full Pool (24,322,000 af)
Total inflows for water year 2025: 5,081,561 acre feet

This is 49.82% of the September 26th average of 10,200,596 acre feet
Total releases for water year 2025: 7,407,042 acre feet

This is 98.76% of the minimum required of 7,500,000 acre feet
During WY 2025, water storage has fallen by 2,371,604 AF and total outflows have exceeded total inflows by 2,325,481 AF
The 34 tracked reservoirs above Lake Powell are currently at 68.87% of capacity. Click for Details
Inflows for WY 2025 are 63.3% of WY         Rivers feeding Lake Powell are running at 72.83% of the September 27th avg. Click for Details

Lake Powell is down 33.32 feet from one year ago.    Lake Powell is at low for water year and down 32.99 feet from the high.

View Acre Feet     Last 14 Measurements
Lake Powell is down -1.46 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Fri, Sep 26, 2025
3545.02
-0.10
6,770,090
6497
9571
80.6
55.0
n/a
Thu, Sep 25, 2025
3545.12
-0.15
6,776,585
4716
9562
85.1
50.9
n/a
Wed, Sep 24, 2025
3545.27
-0.13
6,786,333
5424
9565
78.3
48.2
n/a
Tue, Sep 23, 2025
3545.40
-0.16
6,794,790
4336
9544
81.9
52.2
n/a
Mon, Sep 22, 2025
3545.56
-0.11
6,805,206
6130
9568
79.9
59.4
n/a
Sun, Sep 21, 2025
3545.67
-0.14
6,812,373
4936
9442
83.3
55.0
n/a
Sat, Sep 20, 2025
3545.81
-0.16
6,821,501
4257
9477
84.2
59.5
n/a
Fri, Sep 19, 2025
3545.97
-0.04
6,831,942
8675
9631
87.3
61.9
n/a
Thu, Sep 18, 2025
3546.01
-0.14
6,834,554
5114
9628
81.7
51.8
n/a
Wed, Sep 17, 2025
3546.15
-0.07
6,843,701
7604
9630
86.0
53.1
n/a
Tue, Sep 16, 2025
3546.22
-0.03
6,848,277
9084
9685
87.8
51.6
n/a
Mon, Sep 15, 2025
3546.25
-0.03
6,850,238
9083
9685
86.4
52.2
n/a
Sun, Sep 14, 2025
3546.28
-0.05
6,852,200
8054
9368
83.8
50.4
n/a
Sat, Sep 13, 2025
3546.33
-0.15
6,855,471
4513
9392
80.8
49.5
n/a
Averages of List
3545.79
-0.1
6,820,233
6316
9553
83.4
53.6
n/a

Averages for September 26th

AVERAGE TYPE ELEVATION CUR vs AVERAGE CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
All-Time
3626.66
-81.64
-0.08
15,037,614
9156
12038
84.6
57.8
73.3
Since Filled
3637.77
-92.75
-0.07
16,305,168
9475
12539
84.5
57.9
72.7
Since WY 2000
3605.49
-60.47
-0.06
12,516,309
7993
9869
84.9
58.9
73.3

Last 10 September 26th's data records

DATE MEASURED ELEVATION CUR ELEV vs THEN CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Sep 26, 2024
3578.34
-33.32
9,162,249
7060
9900
89.4
57.9
n/a
Tue, Sep 26, 2023
3573.60
-28.58
8,792,277
6456
6290
85.8
53.1
75.0
Mon, Sep 26, 2022
3529.64
15.38
5,815,758
9606
9200
87.0
61.0
74.0
Sun, Sep 26, 2021
3545.97
-0.95
7,300,224
5331
9380
81.0
68.0
76.0
Sat, Sep 26, 2020
3596.51
-51.49
11,420,134
5855
10197
93.0
64.0
72.0
Thu, Sep 26, 2019
3615.78
-70.76
13,320,908
5500
11975
86.0
64.0
72.0
Wed, Sep 26, 2018
3592.93
-47.91
11,087,835
2306
11581
86.0
60.0
75.0
Tue, Sep 26, 2017
3628.54
-83.52
14,689,976
7202
11702
73.0
48.0
70.0
Mon, Sep 26, 2016
3610.94
-65.92
12,825,151
12891
12050
79.0
55.0
71.0
Sat, Sep 26, 2015
3606.45
-61.43
12,376,285
7568
11595
89.1
64.9
76.0
Averages of List
3587.80
-42.78
10,672,793
7639
10353
85.8
59.6
73.1


Accessibility of Launch Ramps, Primitive Launches and Other Sites
As of Friday, September 26th, 2025 where elevation was 3545.02'


Click here for NPS update on ramps


SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
NPS MIN SAFE
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Stateline Auxiliary Ramp
3520.00
3519.00
25.02 Above
26.02 Above
Open and Usable
Bullfrog North Ramp
3529.00
3528.00
16.02 Above
17.02 Above
Open and Usable
Antelope Point Business Ramp
3540.00
3539.00
5.02 Above
6.02 Above
Open and Usable
Bullfrog Spur (Boats < 25')
3549.00
3548.00
3.98 Below
2.98 Below
Unusable, go to main marinas
Wahweap (Main Launch)
3550.00
3549.00
4.98 Below
3.98 Below
Unusable, go to main marinas
Halls Crossing (use at own risk)
3556.00
3555.00
10.98 Below
9.98 Below
Unusable, go to main marinas
Stateline Launch
3564.00
3563.00
18.98 Below
17.98 Below
Unusable, go to main marinas
Bullfrog (Main Launch)
3578.00
3577.00
32.98 Below
31.98 Below
Unusable, go to main marinas
Castle Rock Cut-Off
3583.00
3582.00
37.98 Below
36.98 Below
Unusable, use Main Channel
Antelope Point Public Ramp
3588.00
3587.00
42.98 Below
41.98 Below
Unusable, go to main marinas
Dominguez Butte Cut-Off
3602.00
3601.00
56.98 Below
55.98 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3612.00
67.98 Below
66.98 Below
Unusable, go to main marinas
Hite
3650.00
3649.00
104.98 Below
103.98 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3652.00
107.98 Below
106.98 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3662.00
117.98 Below
116.98 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3669.00
124.98 Below
123.98 Below
Unusable, use Main Channel
Piute Farms
3682.00
3681.00
136.98 Below
135.98 Below
Unusable, go to main marinas
Blue Notch is unknown and really just shoreline launching at whatever point feels good. No minimum given except amount of courage it takes to reach this launch.


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Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZ
Water temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Average Cubic Feet / Second over entire 24 hour period
Outflow - Average Cubic Feet / Second over entire 24 hour period
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = 1.9835 * Flow CFS
TP = Total Precipitation



Page took 3.19 seconds to create!
Copyright Water-Data.com
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
Since Filled is from 06/22/1980 forward
*Water temp data is provided by Stevie Kelso and the UT Division of Wildlife Resources
  as measured in the a.m. at the Wahweap docks
*Air temp data is sourced from (Prev 24 Hr Extremes):
  Page, AZ Weather
All data is provisional and subject to review and modification
Call 1-800-752-8525 for up-to-date water level infomation
Using Water Year 2000 as start of prolonged drought in SW USA
or go to Lake Powell Source Data
USBR Projected Outlook
Current Snowpack Conditions for Upper Colorado Basin


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Lake Powell, Houseboating, Glen Canyon, Striped Bass