National Weather Service Advanced Hydrologic Prediction Service

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 March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.

NOTE: Forecasts are not available for the Waccamaw River near Bucksport. Only observed stages are available for this point.

Default HydrographScale to Flood Categories

Flood Categories (in feet) Historic Crests (1) 26.67 ft on 09/27/2018 (2) 23.13 ft on 02/27/2021 (3) 22.74 ft on 10/21/2016 (4) 22.31 ft on 06/07/2020 (5) 21.76 ft on 02/10/1998 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 23.13 ft on 02/27/2021 (2) 19.11 ft on 02/16/2021 (3) 19.79 ft on 01/13/2021 (4) 20.65 ft on 11/25/2020 (5) 19.05 ft on 11/05/2020 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 12.11 ft on 08/27/1998 (2) 12.24 ft on 02/19/2009 Show More Low Water Records

Legend 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.

Latitude: 33.648889° N, Longitude: 79.094444° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft Not Available 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 Not Available Not Available   Current/Historical Observations:

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.