Rivers in Maryland

North Branch Potomac River at Cumberland

Allegany County, MarylandNWS CBEM2USGS 01603000Sterling office

Below flood stage
2.61ftStage

Observed Thu, Oct 1, 3:15 AM EDT

Flood stage
17.00 ft
Forecast crest
2.60 ftThu, Oct 1, 8:00 AM EDT
Record crest
29.20 ft1889

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood23.00 ft
Moderate flood21.00 ft
Minor flood17.00 ft
Action12.00 ft
  1. 35.00 ftLevees protect the city of Ridgeley, West Virginia to approximately this level.
  2. 31.00 ftLevees protect the city of Cumberland to at least this level. Some areas are protected even higher.
  3. 30.00 ftLevees protect the Cumberland water treatment plant to approximately this level.
  4. 27.00 ftWater covers the C&O Canal towpath south of Cumberland.
  5. 25.00 ftWater begins to flood homes in Wiley Ford, West Virginia.
  6. 23.00 ftWater approaches homes on Canal Road in North Branch.
  7. 22.00 ftWater reaches a substation in Wiley Ford, West Virginia. Water also approaches an outbuilding in Wiley Ford, and portions of Kelly Road in Cumberland and Canal Road in North Branch.
  8. 21.00 ftMuch of the Mexico Farms, West Virginia airstrip is flooded, and water approaches nearby structures.
  9. 20.00 ftWater floods several areas of farmland east and southeast of Cumberland Regional Airport. Water also begins to flow into low lying areas south of Ridgeley, West Virginia that are not protected by the levee. However, no personal property is affected in this area.
  10. 19.00 ftWater reaches the Gene Mason Sports Complex in Cumberland.
  11. 17.00 ftA low spot on Airport Road in Wiley Ford, West Virginia is flooded. A livestock field southeast of the Cumberland Regional Airport floods.
  12. 15.00 ftWater approaches the airstrip at the Mexico Farms, West Virginia airport.
  13. 12.00 ftLow-lying farmland west of Mexico Farms, West Virginia begins to flood.

Flood outlook

Chance of flooding, October to December

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 28, 2026.

Crest history

68 crests on NOAA’s list since 1889.

#DateStage
1June 1, 188929.20 ft
2March 17, 193629.10 ft
3March 29, 192428.40 ft
4January 19, 199625.56 ft
5October 28, 193725.10 ft
6April 26, 193724.20 ft
7October 15, 194224.04 ft
8October 16, 195423.85 ft
9May 14, 202523.58 ft
10August 18, 195522.60 ft
11September 7, 199622.55 ft
12April 29, 196419.48 ft
13May 13, 193219.20 ft
14April 16, 199319.05 ft
15March 7, 196718.91 ft
16November 5, 198518.85 ft
17February 26, 196118.84 ft
18September 10, 201818.51 ft
19September 2, 202118.34 ft
20March 5, 196317.96 ft
21March 29, 200517.88 ft
22July 4, 197817.85 ft
23March 14, 193317.80 ft
24June 13, 195117.65 ft
25April 5, 198417.60 ft

Most recent crests

  • May 14, 2025: 23.58 ft
  • September 2, 2021: 18.34 ft
  • September 10, 2018: 18.51 ft
  • May 18, 2011: 16.53 ft
  • March 11, 2011: 16.27 ft
  • March 13, 2010: 17.46 ft
  • May 4, 2009: 17.43 ft
  • March 29, 2005: 17.88 ft
  • September 9, 2004: 15.54 ft
  • September 19, 2003: 13.81 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Middle Atlantic River Forecast Center. Forecasts are issued routinely year-round. Gauge reading affected by reservoir operations. Stage may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.