About this river
Waccamaw River is a 20.0 mile river near River Island Adventures in South Carolina. Streamflow is measured at the USGS gauge Waccamaw River near Longs, SC (site 02110500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1950 to 2026
Waccamaw River typically runs highest in February, at a median 1,620 cfs, and lowest in November, at 256 cfs. The highest flow on record for any single day is 53,700 cfs, in 2018.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 1,290 | 505 to 2,400 | |
| February | 1,620 | 770 to 2,980 | |
| March | 1,540 | 997 to 2,870 | |
| April | 1,190 | 628 to 2,010 | |
| May | 443 | 144 to 716 | |
| June | 286 | 76 to 659 | |
| July | 311 | 76 to 962 | |
| August | 447 | 137 to 1,490 | |
| September | 590 | 153 to 1,670 | |
| October | 361 | 107 to 1,400 | |
| November | 256 | 69 to 888 | |
| December | 610 | 153 to 1,210 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 76 years of record. Statistics published by the US Geological Survey for Waccamaw River near Longs, SC (site 02110500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
2 mapped launches sit in the mapped area of Waccamaw River. Ramp data comes from the USGS national boat-ramp inventory.
- Reaves Ferry Road BridgeWaccamaw RiverPublic
- Red Bluff (Highway 31E Bridge)Waccamaw RiverRestricted
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Waccamaw River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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