Overview Realtime Historical Map View
Coastal Flood Advisory
2026-10-23T08:00:00-04:00

* WHAT...Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in the City of Alexandria and Arlington County. * WHEN...Until 8 AM EDT this morning, especially around the time of high tide. * IMPACTS...Water is expected to approach the curb near the intersection of King Street and Strand Street in Alexandria. * ADDITIONAL DETAILS...Tides one and a half to two feet above normal. High tide at Alexandria is at 6:43 AM.

Fourmile Run At Alexandria, Va Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 9.66
01-02 15.76
01-03 8.15
01-04 21.95
01-05 10.69
01-06 8.52
01-07 9.99
01-08 7.79
01-09 10.19
01-10 54.52
01-11 13.54
01-12 74.15
01-13 25.22
01-14 9.59
01-15 10.28
01-16 47.69
01-17 36.16
01-18 9.0
01-19 8.56
01-20 55.65
01-21 7.66
01-22 7.18
01-23 8.0
01-24 53.2
01-25 54.9
01-26 12.98
01-27 9.06
01-28 88.4
01-29 10.84
01-30 8.54
01-31 50.55
02-01 17.69
02-02 12.37
02-03 8.61
02-04 13.71
02-05 12.26
02-06 27.32
02-07 15.3
02-08 9.2
02-09 8.19
02-10 7.77
02-11 36.03
02-12 14.72
02-13 23.14
02-14 17.57
02-15 11.3
02-16 71.62
02-17 12.37
02-18 30.71
02-19 10.88
02-20 12.97
02-21 11.58
02-22 10.06
02-23 16.52
02-24 25.96
02-25 42.43
02-26 11.45
02-27 40.48
02-28 12.11
02-29 15.28
03-01 32.37
03-02 21.64
03-03 29.57
03-04 20.76
03-05 27.02
03-06 14.15
03-07 16.54
03-08 10.73
03-09 10.19
03-10 42.0
03-11 21.63
03-12 8.4
03-13 10.3
03-14 20.01
03-15 10.88
03-16 7.72
03-17 20.74
03-18 8.66
03-19 14.68
03-20 9.47
03-21 30.72
03-22 19.21
03-23 11.77
03-24 34.84
03-25 13.25
03-26 11.11
03-27 19.99
03-28 10.61
03-29 9.06
03-30 21.49
03-31 17.22
04-01 25.83
04-02 8.84
04-03 9.88
04-04 11.04
04-05 8.89
04-06 79.42
04-07 10.13
04-08 12.33
04-09 8.5
04-10 7.72
04-11 8.19
04-12 15.41
04-13 20.7
04-14 8.6
04-15 29.93
04-16 59.47
04-17 9.57
04-18 8.26
04-19 11.39
04-20 80.12
04-21 16.36
04-22 10.85
04-23 25.04
04-24 12.03
04-25 56.44
04-26 37.98
04-27 8.15
04-28 7.61
04-29 22.65
04-30 43.63
05-01 21.43
05-02 10.14
05-03 14.79
05-04 100.11
05-05 24.02
05-06 34.01
05-07 62.97
05-08 11.98
05-09 9.12
05-10 17.94
05-11 23.58
05-12 22.4
05-13 32.81
05-14 23.36
05-15 33.98
05-16 47.25
05-17 25.02
05-18 30.1
05-19 194.72
05-20 11.56
05-21 25.99
05-22 12.11
05-23 21.5
05-24 123.01
05-25 20.42
05-26 9.17
05-27 10.15
05-28 21.74
05-29 16.94
05-30 22.26
05-31 23.19
06-01 13.61
06-02 42.84
06-03 13.11
06-04 10.09
06-05 65.63
06-06 8.5
06-07 12.22
06-08 8.64
06-09 22.0
06-10 7.55
06-11 32.26
06-12 18.9
06-13 17.18
06-14 13.97
06-15 53.91
06-16 12.39
06-17 210.82
06-18 17.56
06-19 15.6
06-20 9.53
06-21 20.28
06-22 6.85
06-23 40.05
06-24 11.82
06-25 10.6
06-26 24.37
06-27 19.59
06-28 8.65
06-29 13.33
06-30 77.91
07-01 138.9
07-02 15.29
07-03 12.5
07-04 18.84
07-05 9.68
07-06 8.2
07-07 300.72
07-08 10.27
07-09 195.97
07-10 12.32
07-11 20.83
07-12 7.33
07-13 7.27
07-14 11.09
07-15 10.99
07-16 18.45
07-17 8.99
07-18 6.93
07-19 7.49
07-20 48.59
07-21 10.29
07-22 24.27
07-23 23.02
07-24 29.52
07-25 8.42
07-26 13.17
07-27 9.0
07-28 9.94
07-29 194.91
07-30 7.51
07-31 69.35
08-01 42.26
08-02 16.69
08-03 8.24
08-04 122.6
08-05 12.16
08-06 6.86
08-07 10.45
08-08 19.03
08-09 5.41
08-10 5.0
08-11 9.13
08-12 13.46
08-13 9.17
08-14 14.92
08-15 165.54
08-16 34.54
08-17 70.65
08-18 11.99
08-19 6.15
08-20 17.39
08-21 8.04
08-22 18.18
08-23 9.81
08-24 6.88
08-25 6.87
08-26 7.5
08-27 5.9
08-28 90.41
08-29 24.64
08-30 6.05
08-31 5.66
09-01 31.26
09-02 38.12
09-03 11.42
09-04 18.86
09-05 5.72
09-06 32.16
09-07 12.76
09-08 60.68
09-09 52.76
09-10 15.45
09-11 7.91
09-12 8.7
09-13 9.35
09-14 5.35
09-15 6.66
09-16 4.83
09-17 11.3
09-18 68.46
09-19 8.01
09-20 5.69
09-21 5.38
09-22 23.87
09-23 21.15
09-24 29.9
09-25 45.89
09-26 18.53
09-27 9.25
09-28 144.9
09-29 19.2
09-30 26.0
10-01 23.11
10-02 10.16
10-03 23.17
10-04 9.67
10-05 6.1
10-06 5.0
10-07 4.78
10-08 10.63
10-09 6.11
10-10 6.85
10-11 6.81
10-12 90.56
10-13 11.38
10-14 40.78
10-15 7.54
10-16 9.03
10-17 7.06
10-18 5.18
10-19 5.09
10-20 13.75
10-21 6.62
10-22 19.58
10-23 6.98
10-24 6.97
10-25 6.73
10-26 30.38
10-27 20.52
10-28 6.62
10-29 18.88
10-30 125.37
10-31 12.82
11-01 15.78
11-02 6.54
11-03 13.87
11-04 6.02
11-05 15.21
11-06 8.41
11-07 9.71
11-08 12.42
11-09 6.46
11-10 27.45
11-11 7.38
11-12 66.77
11-13 36.14
11-14 6.95
11-15 6.45
11-16 37.21
11-17 10.8
11-18 7.83
11-19 13.46
11-20 6.21
11-21 5.64
11-22 20.25
11-23 7.67
11-24 39.73
11-25 10.19
11-26 7.54
11-27 87.39
11-28 7.06
11-29 5.84
11-30 6.7
12-01 18.04
12-02 10.91
12-03 34.49
12-04 5.84
12-05 41.3
12-06 7.02
12-07 38.37
12-08 44.59
12-09 30.44
12-10 9.29
12-11 31.35
12-12 7.52
12-13 5.39
12-14 9.68
12-15 19.7
12-16 55.14
12-17 22.97
12-18 63.52
12-19 7.31
12-20 6.2
12-21 91.85
12-22 8.11
12-23 44.93
12-24 11.53
12-25 39.98
12-26 9.12
12-27 24.16
12-28 12.41
12-29 9.46
12-30 15.88
12-31 7.57

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index