States

Fort Gibson Lake

Oklahoma · USACE gauge
550555560565570FULL
Grey bar: 12-month range 552.2–570.9 ft; red line: full pool 554.0 ft.
Water level · NGVD29
555.11FT
Gauge elevation · no % full published
7 days −0.26 ft30 days +0.82 ftvs last year +0.28 ft
Reading for Oct 25, 2026, 20:00 UTC · page refreshed Oct 25, 21:53 UTC
Source: U.S. Army Corps of Engineers (CWMS Data API)
Worth going today?This Afternoon
Looks good
Light wind, dry
Wind5 mph
Rain0%
Temp81°F
Level555.1 ft
This AfternoonPartly Sunny · 81°F
SE 5 mph · rain 0%
TonightMostly Cloudy · 54°F
SE 5 mph · rain 0%
Lake is above full pool; expect high water, debris or closed areas.
NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

553.5554.0554.5555.0555.5ftSep 25Oct 3Oct 10Oct 17Oct 25Full pool 554.0
553.5554.0554.5555.0555.5ftSep 25Oct 10Oct 25Full pool 554.0
555560565570ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Full pool 554.0
555560565570ftOct 2025Apr 2026Oct 2026Full pool 554.0

Field notes

As of Oct 25, 2026, Fort Gibson Lake stood at 555.11 (NGVD29) ft.

The lake is 1.11 ft above its conservation pool elevation of 554.00 ft, meaning water is being held in flood storage.

Over the past 7 days the lake has been falling (−0.26 ft), and it is +0.82 ft over 30 days.

Compared with a year ago (554.83 ft), the lake is 0.28 ft higher.

Readings are the hourly pool elevation the U.S. Army Corps of Engineers publishes for Fort Gibson Lake near Fort Gibson, OK (SWT); changes compare readings at the same hour.

The Corps' flood-control pool runs from 554.00 ft up to 582.00 ft, so about 4% of that flood space is in use (our calculation from USACE levels).

Lake facts

Gauge / stationFort Gibson Lake near Fort Gibson, OK (SWT)
Elevation datumft (NGVD29)
Gauge location35.8711, -95.2286

Reference levels

Level · sourceElevationToday vs level
Top of conservation pool
USACE “Top of Conservation”
554.00 ft+1.11 ft
Top of flood-control pool
USACE “Top of Flood”
582.00 ft−26.89 ft
Top of inactive pool (minimum)
USACE “Top of Inactive”
551.00 ft+4.11 ft
Pool of record (highest)
USACE “Pool of Record”
582.02 ft
set 2019
−26.91 ft
Top of dam
USACE “Top of Dam”
593.00 ft−37.89 ft

Only levels the agency publishes, or that we compute directly from its own records, are listed. “Today vs level” = latest reading minus the reference level. A level the source does not publish is left out rather than estimated.

Nearby lakes

Tenkiller Ferry Lake21 mi SE624.74 ft−0.23 ftEufaula Lake40 mi S581.62 ft+0.49 ftOologah Lake46 mi NW640.50 ft−0.01 ftKeystone Lake60 mi W725.18 ft+2.00 ftBeaver Lake86 mi NE · AR1,112.04 ft−0.42 ft

Common questions

How full is Fort Gibson Lake right now?

The Corps feed we use gives pool elevation, not percent full. On Oct 25, 2026 the lake was at 555.11 ft, 1.11 ft above the top of conservation pool of 554.00 ft.

How high can Fort Gibson Lake go before flood storage is full?

The U.S. Army Corps of Engineers lists the top of the flood-control pool at 582.00 ft; the highest pool on record is 582.02 ft (2019).

What is full pool at Fort Gibson Lake?

The conservation (full) pool elevation published by the U.S. Army Corps of Engineers is 554.00 ft. The lake is currently 1.11 ft above it.

Is Fort Gibson Lake rising or falling?

Over the last 7 days it changed −0.26 ft and over 30 days +0.82 ft.

How often is this page updated?

The page is rebuilt automatically every day from USACE's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Army Corps of Engineers' public CWMS Data API (cwms-data.usace.army.mil), which publishes pool elevations and the project's reference levels. Forecasts come from the National Weather Service.

Hourly pool elevation published by the U.S. Army Corps of Engineers; 7-day, 30-day and year-ago changes compare readings at the same hour. USACE data are provisional and subject to revision. This page is not affiliated with or endorsed by the U.S. Army Corps of Engineers. See data sources.