Biloxi River near Lyman, MS

River level and flood forecast · Harrison County

Normal1.6 ftas of Mon 3:45 PM

The river is 10.4 ft below flood stage (12 ft).

Forecast to rise to 2.7 ft Wed 1 AM, below the 12 ft flood stage.

The last 7 days and the forecast

-505101520TueThuSatMonWedFriAction 10 ftFlood 12 ftModerate 16 ftMajor 18 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 stage18 ft
Moderate flood stage16 ft
Flood stage12 ft
Action stage10 ft
Record crest (June 19, 2026)21.21 ft

What floods at each level

From the National Weather Service, highest first.

  • 20.95 ftFlood of Record occurred on May 10, 1995. Major flooding will occur along the river. Several bridges and roads may be washed out. Evacuation of Biloxi River Estates, Retreat Village, Oakridge Manor, Rolling Acres, and Riverland Village is strongly recommended. Sections of MS Highway 605 will be impassable.
  • 17 ftThere will be major flooding on Loraine Road near the Lorraine Road bridge. Major roads will be closed including Lamey Bridge Road and Old Highway 49 at the Little Biloxi River. Major flooding will occur in Retreat and Riverland Village Subdivisions.
  • 16 ftMajor flooding will occur in Retreat and Riverland Village Subdivisions at the 16 foot stage. Homes on lower Fisherman Trail will remain flooded and lower River Road will be impassable.
  • 14 ftAt 14 feet homes on lower Fisherman Trail will begin to flood and lower River Road will be impassable. Driving on Loraine Road will be hazardous due to the high water.
  • 13 ftLoraine Road will begin to flood at 13 feet making driving hazardous. River Road near Three Rivers Road bridge will begin to flood.
  • 12 ftRiver Road near Three Rivers Road bridge will begin to flood.
  • 9 ftThe river will be bankfull at the Three Rivers Road bridge.

Highest crests on record

  1. 21.21 ft — June 19, 2026
  2. 20.95 ft — May 10, 1995
  3. 19.23 ft — August 30, 2012
  4. 18.5 ft — September 1, 1957
  5. 18.24 ft — September 29, 1998

Recent crests: 21.21 ft (June 19, 2026) · 15.21 ft (June 7, 2026) · 12.78 ft (July 13, 2025) · 12.7 ft (May 10, 2025) · 12.87 ft (January 20, 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 (LYMM6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.