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Cooper River at Mobay near N Charleston water level

Tidal gauge, Cooper River, South Carolina, United States

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Right now

Normal for late October

Water level

8.01ft Down 0.66 ft over the last 24 hours

Water temperature
71 °F
7.5 8.0 8.5

History

History
6810ftOct 16Oct 17Oct 18Oct 20Oct 216810ftOct 16Oct 18Oct 21
89ftSep 22Sep 29Oct 6Oct 13Oct 2189ftSep 22Oct 6Oct 21
68ftOct 2025Jan 2026Apr 2026Jul 2026Oct 202668ftOct 2025Apr 2026Oct 2026
68ftJanMarMayJulSepNov202668ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Cooper River at Mobay near N Charleston reads 8.01 ft, a normal level for late October.

The median for late October is 8.00 ft, based on 42 years of readings, so the water level is 0.01 ft above typical. On the same day last year the reading was 8.67 ft, a difference of −0.66 ft.

The level is falling, down 0.66 ft over the past 24 hours. Over the past 30 days it has moved between 6.12 ft and 10.87 ft.

The water temperature at the gauge is 71 °F.

Compared with 42 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
8.00 ft0.01 ft above the median for this date
Normal for this date
7.33 ft – 8.53 ft8 years in 10 fall in this range (42 years of records)
Same day last year
8.67 ft−0.66 ft
Lowest and highest in 30 days
6.12 ft – 10.87 ft
Lowest and highest in 12 months
6.76 ft – 9.49 ft

Weather at the gauge

No rain in the last 3 days.

21 Wed 72° 48° – Wind 9 mph
22 Thu 74° 44° – Wind 9 mph
23 Fri 73° 52° – Wind 9 mph
24 Sat 72° 54° – Wind 12 mph
25 Sun 74° 55° – Wind 13 mph
26 Mon 76° 55° – Wind 9 mph
27 Tue 81° 56° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:29 AM Sunset 06:41 PM Daylight 11 hr, 12 min Waxing gibbous 75%

Map

Other gauges on the Cooper River

Gauge Level Compared with normal 24 hours Distance
Cooper River above Goose CreekTidal gauge, Cooper River 7.56 ft Very low −0.49 ft 2.4 mi
Cooper River near Goose CreekTidal gauge, Cooper River 16.40 ft Normal −0.25 ft 5.2 mi
Cooper River at Filbin Creek at North CharlestonTidal gauge, Cooper River 12.32 ft Very high −0.89 ft 7 mi
Cooper River at Ports Authority Pier K CharlestonTidal gauge, Cooper River 13.19 ft High −0.60 ft 9 mi
Cooper River at U.s. Highway 17 at CharlestonTidal gauge, Cooper River 7.72 ft Very high −0.43 ft 13 mi
Cooper River at S. Adgers Wharf at CharlestonRiver gauge, Cooper River 19.21 ft No reference yet −0.39 ft 14 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
French Quarter Creek near HugerRiver gauge, French Quarter Creek 8.19 ft Below flood stage +0.82 ft 5.1 mi
Back River at Dupont Intake near KittredgeTidal gauge, Back River 16.94 ft Very high +0.16 ft 5.5 mi
Wando River at Cainhoy below WandoTidal gauge, Wando River 12.66 ft Low −0.77 ft 7 mi
West Branch Cooper River at Pimlico near Moncks CornerTidal gauge, West Branch Cooper River 12.83 ft High +0.14 ft 8 mi
Wando River above Mount PleasantTidal gauge, Wando River 19.10 ft Very high −0.49 ft 9 mi
Ashley River near North CharlestonTidal gauge, Ashley River 9.84 ft Very high −0.55 ft 12 mi

Questions and answers

Is the Cooper River at Mobay near N Charleston higher than last year?

No, it is 0.66 ft lower than on the same day last year, when the reading was 8.67 ft.

What is a normal level for the Cooper River at Mobay near N Charleston in late October?

The median for late October is 8.00 ft. In 8 years out of 10 the reading falls between 7.33 ft and 8.53 ft, based on 42 years of records.

What is the water level of Cooper River at Mobay near N Charleston today?

On Oct 21, 2026, 01:00 AM EDT, the water level was 8.01 ft. Down 0.66 ft over the last 24 hours.

Is Cooper River at Mobay near N Charleston rising or falling?

Down 0.66 ft over the last 24 hours. Down 0.40 ft over the last 7 days.

Is the level of Cooper River at Mobay near N Charleston normal?

Normal for late October. Compared with 42 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:02172053 (Agency page)
Coordinates
32.98351, -79.92286 (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

ParameterLast valueTime (UTC)Quality
Water level 8.01 ft 2026-10-21 05:00 Provisional
Water temperature 71 °F 2026-10-21 05:00 Provisional

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How to cite

U.S. Geological Survey: Cooper River at Mobay near N Charleston (usgs:02172053). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/south-carolina/cooper-river-at-mobay-near-n-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.