Rivers in Mississippi

Biloxi River near Lyman

Harrison County, MississippiNWS LYMM6USGS 02481130Slidell office

Below flood stage
1.35ftStage

Observed Tue, Sep 22, 2:45 AM CDT

Flood stage
12.00 ft
Forecast crest
3.00 ftTue, Sep 22, 7:00 AM CDT
Record crest
21.21 ft2026

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood18.00 ft
Moderate flood16.00 ft
Minor flood12.00 ft
Action10.00 ft
  1. 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.
  2. 17.00 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.
  3. 16.00 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.
  4. 14.00 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.
  5. 13.00 ftLoraine Road will begin to flood at 13 feet making driving hazardous. River Road near Three Rivers Road bridge will begin to flood.
  6. 12.00 ftRiver Road near Three Rivers Road bridge will begin to flood.
  7. 9.00 ftThe river will be bankfull at the Three Rivers Road bridge.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding50%
Moderate flooding18%
Major flooding5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 16, 2026.

Crest history

79 crests on NOAA’s list since 1957.

#DateStage
1June 19, 202621.21 ft
2May 10, 199520.95 ft
3August 30, 201219.23 ft
4September 1, 195718.50 ft
5September 29, 199818.24 ft
6April 28, 201617.45 ft
7September 26, 200217.33 ft
8August 31, 202117.28 ft
9April 15, 201817.08 ft
10June 12, 201716.98 ft
11September 24, 198516.78 ft
12April 16, 202116.75 ft
13April 14, 198016.75 ft
14July 1, 200316.60 ft
15January 21, 199316.55 ft
16April 1, 200516.53 ft
17May 13, 201916.51 ft
18August 15, 198716.46 ft
19April 8, 198316.36 ft
20February 17, 199216.36 ft
21December 22, 200616.22 ft
22May 18, 199116.17 ft
23June 19, 202116.08 ft
24March 28, 200915.96 ft
25June 11, 200115.75 ft

Most recent crests

  • June 19, 2026: 21.21 ft
  • June 7, 2026: 15.21 ft
  • July 13, 2025: 12.78 ft
  • May 10, 2025: 12.70 ft
  • January 20, 2024: 12.87 ft
  • August 25, 2022: 15.13 ft
  • February 5, 2022: 14.29 ft
  • September 16, 2021: 14.29 ft
  • August 31, 2021: 17.28 ft
  • July 12, 2021: 12.11 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Lower Mississippi River Forecast Center. Forecasts are issued routinely year-round. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

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.