Fort Cobb Reservoir water level

Name: Fort Cobb Reservoir water level (U.S. Bureau of Reclamation)
Creator: U.S. Bureau of Reclamation
License: https://www.usbr.gov/main/disclaim.html

Reservoir, Oklahoma, United States

Directions

Normal for mid-October

Surface elevation

1,341.77ft Up 3.33 ft over the last 7 days

Measured Oct 17, 2026 (2 days ago)

Water stored: 70,831 acre‑ft

History

What this means

The lake level at Fort Cobb Reservoir reads 1,341.77 ft, about where it usually sits at this time of year.

That puts it 0.58 ft above the median of 1,341.19 ft for mid-October, based on 36 years of readings. A year ago it stood at 1,342.21 ft (−0.44 ft).

It is on the way up, by 3.33 ft over the past week. The 30-day range is 1,338.40 ft – 1,341.77 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 36 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 1,341.19 ft0.58 ft above the median for this date
Normal for this date: 1,337.83 ft – 1,342.45 ft8 years in 10 fall in this range (36 years of records)
Same day last year: 1,342.21 ft−0.44 ft
Lowest and highest in 30 days: 1,338.40 ft – 1,341.77 ft
Lowest and highest in 12 months: 1,338.40 ft – 1,342.26 ft

Boating and fishing at Fort Cobb Reservoir

A lake in its usual range is what most ramps, docks and swimming areas are built for.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

Rain in the last 3 days: 1.19 in.

18 Sun 65° 41° – Wind 14 mph

19 Mon 70° 45° – Wind 12 mph

20 Tue 72° 54° – Wind 14 mph

21 Wed 76° 57° – Wind 14 mph

22 Thu 81° 62° – Wind 12 mph

23 Fri 80° 64° – Wind 14 mph

24 Sat 75° 63° – Wind 16 mph

Forecast: Open-Meteo

Sunrise 07:43 AM Sunset 06:56 PM Daylight 11 hr, 13 min First quarter 51%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Cobb Creek near Fort CobbRiver gauge, Cobb Creek	0.8 cfs	Very low	−0.1 cfs	1.6 mi
Willow Creek near AlbertRiver gauge, Willow Creek	0.9 cfs	Normal	+0.1 cfs	4.7 mi
Washita River at CarnegieRiver gauge, Washita River	10.79 ft	High	−9.71 ft	7 mi
Lake Creek near EaklyRiver gauge, Lake Creek	24.3 cfs	Very high	−26.7 cfs	10 mi
Cobb Creek near EaklyRiver gauge, Cobb Creek	402 cfs	Very high	−25.0 cfs	12 mi
Washita River at AnadarkoRiver gauge, Washita River	18.47 ft	Below flood stage	+0.32 ft	13 mi
Lake Creek near SicklesRiver gauge, Lake Creek	4.2 cfs	High	−17.8 cfs	16 mi
Little Washita River near CyrilRiver gauge, Little Washita River	0.2 cfs	Low	±0	23 mi

Questions and answers

How does Fort Cobb Reservoir compare with last year?

It is 0.44 ft lower than on the same day last year, when the reading was 1,342.21 ft.

What is a normal level for Fort Cobb Reservoir in mid-October?

The median for mid-October is 1,341.19 ft. In 8 years out of 10 the reading falls between 1,337.83 ft and 1,342.45 ft, based on 36 years of records.

Is Fort Cobb Reservoir really 1,341.77 ft deep?

No. 1,341.77 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Fort Cobb Reservoir today?

On Oct 17, 2026, the surface elevation was 1,341.77 ft. Up 3.33 ft over the last 7 days.

Is Fort Cobb Reservoir rising or falling?

Up 3.33 ft over the last 7 days.

Is the level of Fort Cobb Reservoir normal?

Normal for mid-October. Compared with 36 years of daily readings for this time of year.

How often is this data updated?

The U.S. Bureau of Reclamation publishes a new reading once a day. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Bureau of Reclamation
Station code: usbr:3657 (Agency page)
Coordinates: 35.16670, -98.45000 (WGS84)
Update interval: once a day
Licence: Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Surface elevation	1,341.77 ft	2026-10-17 05:00	Provisional
Water stored	70,831 acre‑ft	2026-10-17 05:00	Provisional

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How to cite

U.S. Bureau of Reclamation: Fort Cobb Reservoir (usbr:3657). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oklahoma/fort-cobb-reservoir

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer