Jourdan River near Bay St Louis water level

Name: Jourdan River near Bay St Louis water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Jourdan River, Mississippi, United States

Directions

High for mid-October

Water level

2.19ft Down 0.12 ft over the last 24 hours

Measured Oct 20, 2026, 07:45 AM CDT (31 min ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Forecast Minor flood stage

The forecast expects the river to rise to 2.50 ft by Wednesday, October 21 at 07:00 AM. Issued Monday, October 19 at 08:52 AM by NOAA National Weather Service.

What this means

The Jourdan River near Bay St Louis is above normal at 2.19 ft.

That puts it 0.89 ft above the median of 1.30 ft for mid-October, based on 16 years of readings. It is 3.81 ft below the flood stage of 6.00 ft. A year ago it stood at 2.14 ft (+0.05 ft).

It has dropped 0.12 ft over the past 24 hours. The forecast expects the river to rise to 2.50 ft by Wednesday, October 21 at 07:00 AM. In the last month it has stayed between 0.03 ft and 2.84 ft.

Compared with 16 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 1.30 ft0.89 ft above the median for this date
Normal for this date: 0.58 ft – 2.22 ft8 years in 10 fall in this range (16 years of records)
Same day last year: 2.14 ft+0.05 ft
Lowest and highest in 30 days: 0.03 ft – 2.84 ft
Lowest and highest in 12 months: −1.98 ft – 10.47 ft
Highest on record: 19.97 ftAugust 29, 2005
Forecast peak: 2.50 ftWednesday, October 21 at 07:00 AM

Floating and fishing near Jourdan River near Bay St Louis

Experienced paddlers may enjoy higher water, but many outfitters stop rentals once a river runs this high.

Flood stage here is 6.00 ft, 3.81 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

19.97 ft: Flood of Record occurred on August 29,2005 in Hurricane Katrina. Devastating flooding will occur over the area. Most roadways will be inundated, including Interstate 10, along with MS Highways 43 and 603. Evacuations will be necessary.
12.00 ft: Major flooding will occur downstream of Highway 43. The highway will be closed with deep swift water over the roadway north of the bridge.
10.00 ft: Homes along the river on the south bank will flood. Water will be over the road near the bridge approach. Backwater flooding will threaten property east of Highway 43. Access to the river will be restricted.
8.00 ft: The Jourdan River Steamer restaurant will flood. Drainage ditches along Mississippi Highway 43 will be running full and near the shoulder of the road at the bridge approach. Water will cover most of the Jourdan River Steamer property and residential property on the south bank.
6.00 ft: Water will cover most of the Jourdan River Steamer restaurant property and residential property on the south bank.
5.00 ft: The boat dock at Jourdan River Steamer restaurant will be under water and property along both north and south banks will begin to flood.
2.19 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

Rank	Level	Date
1	19.97 ft	August 29, 2005
2	12.55 ft	May 10, 1995
3	11.00 ft	June 19, 2026
4	10.73 ft	August 29, 2012
5	9.83 ft	September 1, 2008
6	9.46 ft	August 31, 2021
7	8.49 ft	September 26, 2002
8	7.90 ft	May 26, 2026
9	7.76 ft	October 28, 2020
10	7.61 ft	June 7, 2020

Weather at the gauge

No rain in the last 3 days.

20 Tue 77° 54° – Wind 9 mph

21 Wed 80° 52° – Wind 8 mph

22 Thu 81° 54° – Wind 7 mph

23 Fri 80° 55° – Wind 8 mph

24 Sat 78° 55° – Wind 9 mph

25 Sun 79° 55° – Wind 8 mph

26 Mon 79° 56° – Wind 9 mph

Forecast: Open-Meteo

Sunrise 07:04 AM Sunset 06:23 PM Daylight 11 hr, 19 min First quarter 68%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Wolf River near LandonRiver gauge, Wolf River	4.15 ft	Very low	−0.01 ft	12 mi
Wolf River at Belle Ferry Road near Long BeachTidal gauge, Wolf River	3.43 ft	Below flood stage	−0.03 ft	14 mi
Mississippi Sound at Usgs Merrill Shell Bank LightEstuary gauge, Mississippi Sound	4.23 ft	High	+0.22 ft	16 mi
East Hobolochitto Creek near CaesarRiver gauge, East Hobolochitto Creek	3.83 ft	Normal	+0.01 ft	16 mi
East Pearl River at I-59 near NicholsonRiver gauge, East Pearl River	9.42 ft	Normal	−0.01 ft	16 mi
Pearl River at I-10 near SlidellRiver gauge, Pearl River	2.72 ft	Very low	−0.11 ft	17 mi
Pearl River at Pearl RiverRiver gauge, Pearl River	4.92 ft	Normal	−0.01 ft	18 mi
Pearl River Navigation Canal Lock and Dam No. 1River gauge	39.32 ft	Highest on record	+23.37 ft	21 mi

Questions and answers

How does the Jourdan River near Bay St Louis compare with last year?

It is 0.05 ft higher than on the same day last year, when the reading was 2.14 ft.

What is flood stage for the Jourdan River near Bay St Louis?

The official flood stage is 6.00 ft. The level is currently 3.81 ft below it.

What is a normal level for the Jourdan River near Bay St Louis in mid-October?

The median for mid-October is 1.30 ft. In 8 years out of 10 the reading falls between 0.58 ft and 2.22 ft, based on 16 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Jourdan River near Bay St Louis today?

On Oct 20, 2026, 07:45 AM CDT, the water level was 2.19 ft. Down 0.12 ft over the last 24 hours.

Is Jourdan River near Bay St Louis rising or falling?

Down 0.12 ft over the last 24 hours. Up 1.00 ft over the last 7 days.

Is the level of Jourdan River near Bay St Louis normal?

High for mid-October. Compared with 16 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:02481660 (Agency page)
Coordinates: 30.38722, -89.44139 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	2.19 ft	2026-10-20 12:45	Provisional

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How to cite

U.S. Geological Survey: Jourdan River near Bay St Louis (usgs:02481660). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/mississippi/jourdan-river-near-bay-st-louis

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer