* WHAT...Heat index values up to 107 expected.
* WHERE...Portions of southeast North Carolina and northeast South
Carolina.
* WHEN...From noon to 8 PM EDT Tuesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Heat Advisory
Until 2026-08-11T03:00:00-04:00
•
National Weather Service
* WHAT...Heat index values up to 107 expected.
* WHERE...Portions of southeast North Carolina and northeast South
Carolina.
* WHEN...From noon to 8 PM EDT Tuesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
WACCAMAW RIVER NEAR LONGS, SC
Realtime Data
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Report
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Conditions
32
Discharge (cfs)
1.0
Gauge Height (ft)
Streamflow discharge was last observed at 32 cfs, and a gauge height of 1.02 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 59 .
Weather today, Tomorrow,
The river is primarily fed by rainfall and runoff from surrounding areas, with no major tributaries or dams in the immediate vicinity. Seasonal trends show that the river flow is highest during the winter and spring months, and lowest during the summer and fall. Interestingly, the Waccamaw River is home to a diverse array of aquatic wildlife, including alligators, turtles, and various species of fish. Additionally, the river is said to have been named after a Native American tribe that once lived in the area.
August 10, 2026
Elevation
39.0 ft
Last Updated
Gage height, ft
1.02 ft
Stream water level elevation above NAVD 1988, in ft
5.24 ft
Streamflow, ft³/s
32.3 ft3/s
Specific conductance, water, unfiltered, microsiemens per centimeter at 25°C
261.0 uS/cm @25C
Dissolved oxygen, water, unfiltered, mg/L
5.5 mg/l
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 ±2.5°, formazin nephelometric units (FNU)