Cooper River at Ports Authority Pier K Charleston water level
Tidal gauge, Cooper River, South Carolina, United States
Right now
Very low for mid-October
Water level
- Water temperature
- 73 °F
History
20252026
What this means
Low water at Cooper River at Ports Authority Pier K Charleston: the gauge reads 11.63 ft, far below normal for mid-October.
That puts it 1.40 ft below the median of 13.04 ft for mid-October, based on 10 years of readings. A year ago it stood at 13.34 ft (−1.71 ft).
It is still going down, by 0.49 ft over the past 24 hours. The 30-day range is 10.88 ft – 15.85 ft.
The sensor also reports a water temperature of 73 °F.
Compared with 10 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 13.04 ft1.40 ft below the median for this date
- Normal for this date
- 12.54 ft – 13.30 ft8 years in 10 fall in this range (10 years of records)
- Same day last year
- 13.34 ft−1.71 ft
- Lowest and highest in 30 days
- 10.88 ft – 15.85 ft
- Lowest and highest in 12 months
- 11.32 ft – 14.27 ft
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Other gauges on the Cooper River
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Cooper River above Goose CreekTidal gauge, Cooper River | 7.67 ft | Low | +0.24 ft | 11 mi |
| Cooper River near Goose CreekTidal gauge, Cooper River | 16.91 ft | High | +0.39 ft | 14 mi |
| Cooper River at Mobay near N CharlestonTidal gauge, Cooper River | 7.21 ft | Very low | −0.09 ft | 9 mi |
| Cooper River at Filbin Creek at North CharlestonTidal gauge, Cooper River | 9.96 ft | Very low | −0.95 ft | 2.5 mi |
| Cooper River at U.s. Highway 17 at CharlestonTidal gauge, Cooper River | 5.98 ft | Very low | −0.54 ft | 4.4 mi |
| Cooper River at S. Adgers Wharf at CharlestonRiver gauge, Cooper River | 17.62 ft | No reference yet | −0.47 ft | 5.8 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Wando River above Mount PleasantTidal gauge, Wando River | 17.30 ft | Very low | −0.58 ft | 3.3 mi |
| Ashley River near North CharlestonTidal gauge, Ashley River | 7.80 ft | Very low | −0.68 ft | 4.4 mi |
| Wando River at Cainhoy below WandoTidal gauge, Wando River | 11.23 ft | Very low | −0.34 ft | 9 mi |
| Ashley River below SummervilleTidal gauge, Ashley River | 9.16 ft | Low | +1.53 ft | 13 mi |
| French Quarter Creek near HugerRiver gauge, French Quarter Creek | 9.13 ft | Below flood stage | +0.28 ft | 13 mi |
| Back River at Dupont Intake near KittredgeTidal gauge, Back River | 17.45 ft | Very high | +0.29 ft | 14 mi |
Questions and answers
How does the Cooper River at Ports Authority Pier K Charleston compare with last year?
It is 1.71 ft lower than on the same day last year, when the reading was 13.34 ft.
What is a normal level for the Cooper River at Ports Authority Pier K Charleston in mid-October?
The median for mid-October is 13.04 ft. In 8 years out of 10 the reading falls between 12.54 ft and 13.30 ft, based on 10 years of records.
What is the water level of Cooper River at Ports Authority Pier K Charleston today?
On Oct 20, 2026, 11:00 PM EDT, the water level was 11.63 ft. Down 0.49 ft over the last 24 hours.
Is Cooper River at Ports Authority Pier K Charleston rising or falling?
Down 0.49 ft over the last 24 hours. Down 1.50 ft over the last 7 days.
Is the level of Cooper River at Ports Authority Pier K Charleston normal?
Very low for mid-October. Compared with 10 years of daily readings for this time of year.
How often is this data updated?
The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
Where does this data come from?
The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:0217206935(Agency page)- Coordinates
32.85569, -79.95267(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 11.63 ft | 2026-10-21 03:00 | Provisional |
| Water temperature | 73 °F | 2026-10-21 03:00 | Provisional |
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How to cite
U.S. Geological Survey: Cooper River at Ports Authority Pier K Charleston (usgs:0217206935). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/south-carolina/cooper-river-at-ports-authority-pier-k-charleston
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer