Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

DID YOU KNOW... Please try our new TEST hydrograph page link at: https://preview.water.noaa.gov/gauges/abcde - Just replace “abcde” with your local hydrograph five character ID found in the lower left corner of the hydrograph.  In late March of 2024, the base URL path will become water.noaa.gov.  Feedback can be provided HERE

Weather Forecast Office Wilmington, NC

Southeast River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (EST) Datum: Not Available Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. NOTE: Forecasts for the Lynches River at Effingham are issued as needed during times of high water, but are not routinely available.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Downstream Gauge

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

Zoom Level:16 Legend FEMA Layer Gauge Location Disclaimer 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

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.

About This Location

Latitude: 34.051389° N, Longitude: 79.754167° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 14 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other 58.4900016784668 ft 72.4900016784668 ft   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Effingham

Additional Information

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels 10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS) 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.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Cape Fear River Basin Multimedia - Includes Photos and Panoramics Pee Dee River Basin Multimedia Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Southeast River Forecast Center Snow Information Ensemble River Forecasts Hourly Precipitation

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities