Pascagoula River at Merrill, MS

River level and flood forecast · George County

Normal2.3 ftas of Mon 2:15 PM

The river is 19.7 ft below flood stage (22 ft).

Forecast to hold near 2.3 ft through Sat, Oct 17, 7 AM.

Flow: 1,320 cubic feet per second (USGS).

The last 7 days and the forecast

-100102030TueThuSatMonWedFriAction 12.5 ftFlood 22 ftModerate 25 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 9:08 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage32 ft
Moderate flood stage25 ft
Flood stage22 ft
Action stage12.5 ft
Record crest (April 1, 1900)32.5 ft

What floods at each level

From the National Weather Service, highest first.

  • 32 ftA portion of the railroad tracks will become flooded. USGS 100 year flood.
  • 25 ftFlooding of some residences will occur as the level rises above 25 feet.
  • 24 ftStreets of Merrill will become flooded. At 24 feet the bridge becomes inaccessible by vehicles.
  • 23.5 ftWater is under homes in Plum Bluff Estates. Streets of Merrill flood.
  • 22 ftFlood Stage. Water approaches homes in west Merrill.
  • 20 ftWater covers the main road at Plum Bluff in southern George County.
  • 18.5 ftWater covers roads at Smith's Fish Camp in southern George County.
  • 18 ftSome roads west of the river become flooded.
  • 15 ftWater is under homes in Cedar Creek Estates.
  • 14 ftRoads to Cedar Creek Estates are impassable.
  • 13 ftWater covers the roads in Cedar Creek Estates in northern Jackson County.

Highest crests on record

  1. 32.5 ft — April 1, 1900
  2. 31 ft — July 9, 1916
  3. 30.66 ft — February 27, 1961
  4. 30.2 ft — April 22, 1912
  5. 29.71 ft — April 13, 1938

Recent crests: 24.27 ft (June 23, 2026) · 24.41 ft (June 20, 2026) · 22.82 ft (May 30, 2026) · 22.39 ft (January 15, 2026) · 22.46 ft (March 12, 2024)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MRRM6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.