Storm Station

Live/Water/Maryland/Potomac River at Edwards Ferry

Potomac River at Edwards Ferry

A gauge on the Potomac River in Montgomery County, Maryland. Its stage was 4.96 ft as of Sep 27, 2:45 AM EDT.

Gauge EDFM2Montgomery County, MarylandEvery gauge in Maryland

Stage now
4.96 ftreported Sep 27, 2:45 AM EDT
24 hour change
Rose 0.32 ftsince Sep 26, 2:45 AM
Rank
240of 402 in Maryland, Sep 27
Elevation
253 ftabove sea level
County
Montgomery County
Position
39.0986° N, 77.4711° W
Record since
2011

Water level

Potomac River at Edwards Ferry

Stage is the height of the water's surface above the gauge's own fixed zero, in feet, not the depth of the water. Every point drawn is a reading the gauge sent, at the time it sent it.

Water level, 24 hours at Potomac River at Edwards Ferry: the water from 4.67 to 5.12 feet of stage, the latest 4.96 feet.WATER LEVEL, 24 HOURSFTHIGH 5.12 FT, SEP 26, 2:00 PM · LOW 4.67 FT, SEP 26, 4:00 AM4.64.85.05.26 AM9 AM12 PM3 PM6 PM9 PMSep 273 AM4.96
Latest
4.96 ftSep 27, 2:45 AM
Highest
5.12 ftSep 26, 2:00 PM
Lowest
4.67 ftSep 26, 4:00 AM
Range
0.45 fthighest less lowest
Change
Rose 0.29 ftsince Sep 26, 4:00 AM
Readings
92
The readings these charts were drawn from, as a table
TimeStage ft
Sep 27, 2:45 AM4.96
Sep 27, 2:30 AM4.97
Sep 27, 2:15 AM4.97
Sep 27, 2:00 AM4.97
Sep 27, 1:45 AM4.97
Sep 27, 1:30 AM4.97
Sep 27, 1:15 AM4.98
Sep 27, 1:00 AM4.97
Sep 27, 12:45 AM4.98
Sep 27, 12:30 AM4.98
Sep 27, 12:15 AM4.98
Sep 27, 12:00 AM4.98
Sep 26, 11:45 PM4.98
Sep 26, 11:30 PM4.99
Sep 26, 11:15 PM5.00
Sep 26, 11:00 PM5.00
Sep 26, 10:45 PM5.00
Sep 26, 10:30 PM5.01
Sep 26, 10:15 PM5.01
Sep 26, 10:00 PM5.01
Sep 26, 9:45 PM5.01
Sep 26, 9:30 PM5.02
Sep 26, 9:15 PM5.03
Sep 26, 9:00 PM5.03
Sep 26, 8:45 PM5.04
Sep 26, 8:30 PM5.04
Sep 26, 8:15 PM5.05
Sep 26, 8:00 PM5.05
Sep 26, 7:45 PM5.06
Sep 26, 7:30 PM5.07
Sep 26, 7:15 PM5.07
Sep 26, 7:00 PM5.07
Sep 26, 6:45 PM5.08
Sep 26, 6:30 PM5.08
Sep 26, 6:15 PM5.09
Sep 26, 6:00 PM5.10
Sep 26, 5:45 PM5.10
Sep 26, 5:30 PM5.10
Sep 26, 5:15 PM5.11
Sep 26, 5:00 PM5.11
Sep 26, 4:45 PM5.12
Sep 26, 4:30 PM5.11
Sep 26, 4:15 PM5.11
Sep 26, 4:00 PM5.10
Sep 26, 3:45 PM5.12
Sep 26, 3:30 PM5.12
Sep 26, 3:15 PM5.12
Sep 26, 3:00 PM5.12
Sep 26, 2:45 PM5.12
Sep 26, 2:30 PM5.11
Sep 26, 2:15 PM5.12
Sep 26, 2:00 PM5.12
Sep 26, 1:45 PM5.11
Sep 26, 1:30 PM5.10
Sep 26, 1:15 PM5.11
Sep 26, 1:00 PM5.09
Sep 26, 12:45 PM5.09
Sep 26, 12:30 PM5.09
Sep 26, 12:15 PM5.08
Sep 26, 12:00 PM5.07
Sep 26, 11:45 AM5.05
Sep 26, 11:30 AM5.06
Sep 26, 11:15 AM5.03
Sep 26, 11:00 AM5.04
Sep 26, 10:45 AM5.03
Sep 26, 10:30 AM5.01
Sep 26, 10:15 AM5.00
Sep 26, 10:00 AM5.00
Sep 26, 9:45 AM4.98
Sep 26, 9:30 AM4.96
Sep 26, 9:15 AM4.95
Sep 26, 9:00 AM4.93
Sep 26, 8:45 AM4.92
Sep 26, 8:30 AM4.91
Sep 26, 8:15 AM4.89
Sep 26, 8:00 AM4.88
Sep 26, 7:45 AM4.86
Sep 26, 7:30 AM4.85
Sep 26, 7:15 AM4.83
Sep 26, 7:00 AM4.82
Sep 26, 6:45 AM4.80
Sep 26, 6:30 AM4.79
Sep 26, 6:15 AM4.78
Sep 26, 6:00 AM4.76
Sep 26, 5:45 AM4.75
Sep 26, 5:30 AM4.74
Sep 26, 5:15 AM4.73
Sep 26, 5:00 AM4.71
Sep 26, 4:45 AM4.70
Sep 26, 4:30 AM4.69
Sep 26, 4:15 AM4.68
Sep 26, 4:00 AM4.67
Water level, 7 days at Potomac River at Edwards Ferry: the water from 3.68 to 5.12 feet of stage, the latest 4.96 feet.WATER LEVEL, 7 DAYSFTHIGH 5.12 FT, SEP 26, 2:00 PM · LOW 3.68 FT, SEP 21, 1:00 PM3.54.04.55.05.5Mon 21Tue 22Wed 23Thu 24Fri 25Sat 26Sun 274.96
Latest
4.96 ftSep 27, 2:45 AM
Highest
5.12 ftSep 26, 2:00 PM
Lowest
3.68 ftSep 21, 1:00 PM
Range
1.44 fthighest less lowest
Change
Rose 1.15 ftsince Sep 20, 4:00 AM
Readings
664
The readings these charts were drawn from, as a table
TimeStage ft
Sep 27, 2:45 AM4.96
Sep 27, 1:45 AM4.97
Sep 27, 12:45 AM4.98
Sep 26, 11:45 PM4.98
Sep 26, 10:45 PM5.00
Sep 26, 9:45 PM5.01
Sep 26, 8:45 PM5.04
Sep 26, 7:45 PM5.06
Sep 26, 6:45 PM5.08
Sep 26, 5:45 PM5.10
Sep 26, 4:45 PM5.12
Sep 26, 3:45 PM5.12
Sep 26, 2:45 PM5.12
Sep 26, 1:45 PM5.11
Sep 26, 12:45 PM5.09
Sep 26, 11:45 AM5.05
Sep 26, 10:45 AM5.03
Sep 26, 9:45 AM4.98
Sep 26, 8:45 AM4.92
Sep 26, 7:45 AM4.86
Sep 26, 6:45 AM4.80
Sep 26, 5:45 AM4.75
Sep 26, 4:45 AM4.70
Sep 26, 3:45 AM4.66
Sep 26, 2:45 AM4.64
Sep 26, 1:45 AM4.63
Sep 26, 12:45 AM4.62
Sep 25, 11:45 PM4.64
Sep 25, 10:45 PM4.65
Sep 25, 9:45 PM4.66
Sep 25, 8:45 PM4.68
Sep 25, 7:45 PM4.69
Sep 25, 6:45 PM4.71
Sep 25, 5:45 PM4.73
Sep 25, 4:45 PM4.74
Sep 25, 3:45 PM4.74
Sep 25, 2:45 PM4.74
Sep 25, 1:45 PM4.74
Sep 25, 12:45 PM4.74
Sep 25, 11:45 AM4.73
Sep 25, 10:45 AM4.73
Sep 25, 9:45 AM4.71
Sep 25, 8:45 AM4.71
Sep 25, 7:45 AM4.71
Sep 25, 6:45 AM4.71
Sep 25, 5:45 AM4.71
Sep 25, 4:45 AM4.71
Sep 25, 3:45 AM4.73
Sep 25, 2:45 AM4.73
Sep 25, 1:45 AM4.74
Sep 25, 12:45 AM4.75
Sep 24, 11:45 PM4.76
Sep 24, 10:45 PM4.77
Sep 24, 9:45 PM4.77
Sep 24, 8:45 PM4.77
Sep 24, 7:45 PM4.78
Sep 24, 6:45 PM4.78
Sep 24, 5:45 PM4.77
Sep 24, 4:45 PM4.77
Sep 24, 3:45 PM4.76
Sep 24, 2:45 PM4.74
Sep 24, 1:45 PM4.73
Sep 24, 12:45 PM4.72
Sep 24, 11:45 AM4.70
Sep 24, 10:45 AM4.68
Sep 24, 9:45 AM4.66
Sep 24, 8:45 AM4.64
Sep 24, 7:45 AM4.62
Sep 24, 6:45 AM4.59
Sep 24, 5:45 AM4.58
Sep 24, 4:45 AM4.55
Sep 24, 3:45 AM4.53
Sep 24, 2:45 AM4.51
Sep 24, 1:45 AM4.50
Sep 24, 12:45 AM4.48
Sep 23, 11:45 PM4.47
Sep 23, 10:45 PM4.46
Sep 23, 9:45 PM4.45
Sep 23, 8:45 PM4.44
Sep 23, 7:45 PM4.43
Sep 23, 6:45 PM4.42
Sep 23, 5:45 PM4.41
Sep 23, 4:45 PM4.39
Sep 23, 3:45 PM4.38
Sep 23, 2:45 PM4.37
Sep 23, 1:45 PM4.35
Sep 23, 12:45 PM4.35
Sep 23, 11:45 AM4.34
Sep 23, 10:45 AM4.34
Sep 23, 9:45 AM4.34
Sep 23, 8:45 AM4.34
Sep 23, 7:45 AM4.34
Sep 23, 6:45 AM4.34
Sep 23, 5:45 AM4.33
Sep 23, 4:45 AM4.32
Sep 23, 3:45 AM4.31
Sep 23, 2:45 AM4.30
Sep 23, 1:45 AM4.29
Sep 23, 12:45 AM4.29
Sep 22, 11:45 PM4.28
Sep 22, 10:45 PM4.27
Sep 22, 9:45 PM4.26
Sep 22, 8:45 PM4.25
Sep 22, 7:45 PM4.24
Sep 22, 6:45 PM4.23
Sep 22, 5:45 PM4.21
Sep 22, 4:45 PM4.19
Sep 22, 3:45 PM4.17
Sep 22, 2:45 PM4.13
Sep 22, 1:45 PM4.08
Sep 22, 12:45 PM4.04
Sep 22, 11:45 AM4.00
Sep 22, 10:45 AM3.98
Sep 22, 9:45 AM3.97
Sep 22, 8:45 AM3.94
Sep 22, 7:45 AM3.93
Sep 22, 5:45 AM3.89
Sep 22, 4:45 AM3.87
Sep 22, 3:45 AM3.85
Sep 22, 2:45 AM3.83
Sep 22, 1:45 AM3.81
Sep 22, 12:45 AM3.79
Sep 21, 11:45 PM3.78
Sep 21, 10:45 PM3.77
Sep 21, 9:45 PM3.75
Sep 21, 8:45 PM3.74
Sep 21, 7:45 PM3.72
Sep 21, 6:45 PM3.72
Sep 21, 5:45 PM3.71
Sep 21, 4:45 PM3.70
Sep 21, 3:45 PM3.69
Sep 21, 2:45 PM3.69
Sep 21, 1:45 PM3.68
Sep 21, 12:45 PM3.69
Sep 21, 11:45 AM3.69
Sep 21, 10:45 AM3.70
Sep 21, 9:45 AM3.71
Sep 21, 8:45 AM3.72
Sep 21, 7:45 AM3.73
Sep 21, 6:45 AM3.73
Sep 21, 5:45 AM3.74
Sep 21, 4:45 AM3.75
Sep 21, 3:45 AM3.75
Sep 21, 2:45 AM3.76
Sep 21, 1:45 AM3.75
Sep 21, 12:45 AM3.75
Sep 20, 11:45 PM3.76
Sep 20, 10:45 PM3.75
Sep 20, 9:45 PM3.74
Sep 20, 8:45 PM3.74
Sep 20, 7:45 PM3.73
Sep 20, 6:45 PM3.73
Sep 20, 5:45 PM3.72
Sep 20, 4:45 PM3.72
Sep 20, 3:45 PM3.72
Sep 20, 2:45 PM3.72
Sep 20, 1:45 PM3.72
Sep 20, 12:45 PM3.73
Sep 20, 11:45 AM3.73
Sep 20, 10:45 AM3.74
Sep 20, 9:45 AM3.75
Sep 20, 8:45 AM3.76
Sep 20, 7:45 AM3.78
Sep 20, 6:45 AM3.78
Sep 20, 5:45 AM3.79
Sep 20, 4:45 AM3.80
Water level, 30 days at Potomac River at Edwards Ferry: the water from 3.68 to 5.12 feet of stage, the latest 4.96 feet.WATER LEVEL, 30 DAYSFTHIGH 5.12 FT, SEP 26, 2:00 PM · LOW 3.68 FT, SEP 21, 1:00 PM3.54.04.55.05.5Aug 28Sep 2Sep 7Sep 12Sep 17Sep 224.96
Latest
4.96 ftSep 27, 2:45 AM
Highest
5.12 ftSep 26, 2:00 PM
Lowest
3.68 ftSep 21, 1:00 PM
Range
1.44 fthighest less lowest
Change
Rose 0.04 ftsince Aug 28, 4:00 AM
Readings
2,840
The readings these charts were drawn from, as a table
DayHigh ftLow ftAverage ftLast ftReadings
Sep 274.984.964.974.9612
Sep 265.124.624.934.9896
Sep 254.764.634.714.6496
Sep 244.784.474.674.7696
Sep 234.474.284.364.4796
Sep 224.283.784.054.2892
Sep 213.783.683.733.7896
Sep 203.823.723.753.7684
Sep 193.813.753.773.8188
Sep 183.783.743.763.7896
Sep 173.783.733.753.7896
Sep 163.873.773.803.7896
Sep 154.013.873.943.8796
Sep 144.084.014.044.0196
Sep 134.084.004.034.0196
Sep 124.144.084.114.0896
Sep 114.134.044.094.1396
Sep 104.204.124.174.1296
Sep 94.274.204.244.2096
Sep 84.314.254.284.2796
Sep 74.284.254.264.2596
Sep 64.374.294.354.2992
Sep 54.364.224.294.3692
Sep 44.224.124.164.2296
Sep 34.274.144.224.1696
Sep 24.424.274.374.2796
Sep 14.414.374.394.4196
Aug 314.534.374.434.3796
Aug 304.544.484.514.5396
Aug 294.824.514.704.5192
Aug 284.924.824.874.8280

How it reports

Rank
240of 402 in Maryland, Sep 27
Schedule
every houron the hour's :00 and :45
Reports received, 24 hours
22 of 2491.6% of its schedule, 25 reports in all
Reports received, 7 days
30 of 3196.7% of its schedule, 33 reports in all
Longest silence, 7 days
2 hoursfrom Sep 26, 5:45 PM
Latest report
Sep 27, 2:45 AMlocal time
Time to reach Storm Station
26 min9 in 10 within 26 min

Its schedule is one report every hour, 24 in 24 hours. Two reports in the same hour count as one received.

Near Potomac River at Edwards Ferry

How to read a gauge

A gauge measures the height of the water where it stands, its stage, in feet above a fixed mark at that gauge. Two gauges' stages are not comparable: each is measured from its own mark, and a reservoir's is often its height above sea level.

The stage shown is the latest the gauge reported, with the time it reported it. Storm Station hears each gauge on its own schedule and ranks it among its state's stations by how reliably it reports: that is its 247 rank.