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This probabilistic forecast is issued by the Southeast River Forecast Center.
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About this graph
Forecasts for the Lynches River at Effingham are issued as needed during times of high water, but are not routinely available.
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Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 18
Moderate Flood Stage: 16
Flood Stage: 14
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 21.21 ft on 09/22/1945
(2) 20.00 ft on 08/30/1908
(3) 19.73 ft on 10/06/2015
(4) 19.40 ft on 09/24/1928
(5) 19.25 ft on 10/07/1929
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.95 ft on 02/21/2021
(2) 14.13 ft on 02/18/2021
(3) 15.59 ft on 01/09/2021
(4) 14.51 ft on 09/20/2020
(5) 17.71 ft on 06/02/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.72 ft on 08/13/2002
(2) 0.94 ft on 07/25/2011
(3) 0.96 ft on 07/02/2011
(4) 1.00 ft on 09/19/2009
(5) 1.02 ft on 10/05/2009
Show More Low Water Records
KML Image
Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
21 Near record flooding will occur.
18 Extensive flooding will occur.
17.5 Extensive flooding will occur along the river. In addition, flood waters will affect some residential areas up stream near the Sumter County line.
16.5 Water will enter some homes along Roundtree Road. Several homes will be isolated along North Old Georgetown, Roundtree, and Bengause Roads near Effingham and New Hope.
16 Flood waters will affect several homes along the river and isolate those residents without boats.
15.5 Flood waters will affect portions of North Old Georgetown, Roundtree and Bengause Roads near Effingham and New Hope. The roads will be impassable in places.
15 Flood waters will affect roads near Effingham and New Hope. North Old Georgetown, Roundtree and Bengause Roads will flood in low lying areas near the river.
14 Flooding will affect low lying areas along the river.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: The official hydrograph at the top of this web page was made by a river forecaster using past rainfall and forecast rainfall for the next 48 hours. The Potential River Level graphics are computer generated and most useful for rain expected beyond 48 hours.

Click individual graphics to enlarge.

Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Wilmington Weather Forecast Office
2015 Gardner Drive
Wilmington, NC 28405
(910) 762-4289
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Page last modified: 2-Nov-2020 7:30 PM
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