Amite River Basin at Bayou Manchac near Little Prairie, LA

The last 7 days and the forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

What floods at each level

From the National Weather Service, highest first.

• 18.5 ftWidespread flooding will occur with hundreds of homes impacted. Evacuations will be necessary. Water will inundate most neighborhood streets and portions of LA Highway 42 will be impassable. Water will also rise on Muddy Creek and Roddy Bayou, along with other local waterways.
• 18.3 ftFlood of Record measured 18.33 feet and occurred on August 14, 2016.
• 17 ftMajor flooding will occur for many homes and roads near Bayou Manch. Water will spread over neighborhoods around Muddy Creek, with some sections of LA Highway 42 impacted.
• 15 ftMuddy Creek Road will become impassible with water over the bridge at Muddy Creek. There will be major flooding of homes along both Oak Harbor and Muddy Creek Roads.
• 14 ftOak Harbor Road will become impassible. There will be major flooding of homes along Oak Harbor Road. Muddy Creek Road will flood.
• 12 ftWater will cover Oak Harbor Road. Moderate flooding of some homes along Oak Harbor Road can be expected. Muddy Creek will back up and flood property along Muddy Creek Road.
• 10 ftFlooding will begin on property along Oak Harbor Road. Some homes will sustain minor flood damage.

Highest crests on record

1. 21.49 ft — August 15, 2016
2. 16.92 ft — June 10, 2001
3. 16.83 ft — January 28, 1990
4. 16.38 ft — January 23, 1993
5. 14.78 ft — March 14, 2016

Recent crests: 11.51 ft (May 23, 2021) · 12.1 ft (April 8, 2021) · 11.7 ft (May 13, 2019) · 8.91 ft (January 30, 2018) · 8.23 ft (January 23, 2017)

Up and down the river, and nearby

• DownstreamAmite River at Port Vincent, LA
• Amite River Basin at Welsh Gully near Prairieville, LA
• Amite River Basin at Henderson Bayou near Port Vincent, LA
• Amite River Basin at Henderson Bayou Pump Station, LA
• Amite River Basin at Black Bayou at H 621 near Praireville, LA
• Amite River Basin at Grand Goudine on Hwy 934 near Duplessis, LA
• Amite River Basin at Bluff Swamp near Kleinpeter, LA
• Amite River Basin at Claycut Bayou near Baton Rouge, LA