Overview Realtime Historical Map View
Flood Watch
2026-10-11T02:00:00-04:00

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Georgia, including the following areas, Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Jenkins, Long, Screven and Tattnall and southeast South Carolina, including the following areas, Allendale, Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Dorchester, Hampton, Inland Berkeley, Inland Colleton, Inland Jasper and Tidal Berkeley. * WHEN...Through late Saturday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Bands of heavy rainfall will move into eastern Georgia tonight then spread northward into the Lowcountry of South Carolina throughout the day on Saturday. Widespread rainfall totals of 2 to 4 inches with locally up to 6 inches across eastern Georgia are possible and 3 to 6 inches locally up to 8+ inches across South Carolina. Rainfall rates of 2 inches per hour will be possible in the heaviest bands. - http://www.weather.gov/safety/flood

Coosawhatchie River Near Hampton, Sc Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 139.38
01-02 151.97
01-03 169.87
01-04 174.02
01-05 213.22
01-06 200.84
01-07 185.55
01-08 160.16
01-09 141.56
01-10 145.88
01-11 147.87
01-12 140.59
01-13 139.3
01-14 149.07
01-15 149.08
01-16 151.96
01-17 150.98
01-18 140.23
01-19 132.01
01-20 119.93
01-21 110.31
01-22 106.22
01-23 107.4
01-24 121.28
01-25 149.55
01-26 151.68
01-27 157.4
01-28 170.46
01-29 164.17
01-30 155.54
01-31 157.28
02-01 164.84
02-02 164.66
02-03 161.04
02-04 162.57
02-05 257.51
02-06 256.8
02-07 268.73
02-08 338.98
02-09 258.86
02-10 221.46
02-11 201.75
02-12 203.08
02-13 343.88
02-14 426.08
02-15 338.35
02-16 308.33
02-17 271.29
02-18 230.66
02-19 394.93
02-20 409.16
02-21 348.51
02-22 318.19
02-23 251.76
02-24 235.52
02-25 266.52
02-26 286.91
02-27 328.02
02-28 321.47
02-29 277.0
03-01 210.88
03-02 196.82
03-03 204.7
03-04 241.48
03-05 252.31
03-06 321.74
03-07 331.89
03-08 281.25
03-09 243.38
03-10 296.61
03-11 271.68
03-12 222.49
03-13 197.98
03-14 178.5
03-15 166.51
03-16 154.55
03-17 160.59
03-18 151.16
03-19 141.3
03-20 171.57
03-21 167.58
03-22 152.67
03-23 151.19
03-24 152.39
03-25 243.32
03-26 244.39
03-27 196.14
03-28 136.61
03-29 145.9
03-30 161.46
03-31 133.98
04-01 132.62
04-02 127.83
04-03 132.18
04-04 125.53
04-05 118.65
04-06 108.61
04-07 101.88
04-08 115.19
04-09 104.2
04-10 109.36
04-11 97.15
04-12 80.89
04-13 74.95
04-14 71.85
04-15 82.46
04-16 98.72
04-17 118.61
04-18 112.78
04-19 113.17
04-20 112.3
04-21 184.5
04-22 172.5
04-23 128.43
04-24 126.13
04-25 149.28
04-26 133.26
04-27 116.22
04-28 93.54
04-29 75.41
04-30 82.92
05-01 80.64
05-02 84.23
05-03 71.16
05-04 59.46
05-05 60.73
05-06 73.13
05-07 87.5
05-08 62.29
05-09 47.48
05-10 33.69
05-11 26.43
05-12 25.41
05-13 192.03
05-14 253.85
05-15 17.24
05-16 25.59
05-17 38.27
05-18 65.13
05-19 66.0
05-20 41.48
05-21 67.08
05-22 71.79
05-23 82.22
05-24 95.99
05-25 89.99
05-26 91.6
05-27 90.4
05-28 96.5
05-29 105.92
05-30 236.2
05-31 322.08
06-01 261.94
06-02 185.86
06-03 101.15
06-04 76.33
06-05 82.56
06-06 153.6
06-07 279.13
06-08 338.85
06-09 234.74
06-10 187.95
06-11 178.54
06-12 182.59
06-13 186.39
06-14 173.45
06-15 144.53
06-16 119.57
06-17 94.62
06-18 81.62
06-19 71.73
06-20 91.22
06-21 113.49
06-22 97.78
06-23 97.24
06-24 121.08
06-25 137.93
06-26 101.73
06-27 105.99
06-28 95.83
06-29 80.74
06-30 60.36
07-01 90.46
07-02 391.3
07-03 277.26
07-04 214.29
07-05 197.78
07-06 149.84
07-07 187.57
07-08 164.38
07-09 134.19
07-10 119.66
07-11 152.46
07-12 164.03
07-13 208.73
07-14 266.78
07-15 338.37
07-16 282.61
07-17 206.57
07-18 197.32
07-19 223.32
07-20 151.29
07-21 135.66
07-22 125.75
07-23 143.57
07-24 114.27
07-25 93.39
07-26 91.38
07-27 88.38
07-28 71.12
07-29 66.67
07-30 84.04
07-31 99.91
08-01 109.67
08-02 126.05
08-03 127.3
08-04 135.58
08-05 134.68
08-06 125.0
08-07 114.43
08-08 118.66
08-09 111.11
08-10 97.13
08-11 88.97
08-12 88.81
08-13 85.27
08-14 87.66
08-15 127.23
08-16 156.63
08-17 231.85
08-18 197.98
08-19 196.59
08-20 255.68
08-21 192.14
08-22 160.55
08-23 122.32
08-24 119.63
08-25 135.99
08-26 134.3
08-27 122.54
08-28 100.95
08-29 81.24
08-30 69.38
08-31 311.81
09-01 405.15
09-02 255.28
09-03 191.76
09-04 190.26
09-05 157.04
09-06 117.92
09-07 91.4
09-08 75.99
09-09 59.93
09-10 58.76
09-11 46.91
09-12 69.06
09-13 110.23
09-14 83.43
09-15 73.57
09-16 66.06
09-17 71.05
09-18 83.82
09-19 88.9
09-20 74.47
09-21 68.62
09-22 58.29
09-23 57.68
09-24 51.24
09-25 45.86
09-26 41.84
09-27 40.77
09-28 43.57
09-29 43.23
09-30 59.4
10-01 56.22
10-02 52.68
10-03 45.08
10-04 41.33
10-05 42.16
10-06 50.69
10-07 54.22
10-08 62.37
10-09 278.65
10-10 204.86
10-11 136.99
10-12 108.24
10-13 91.7
10-14 83.67
10-15 77.98
10-16 67.38
10-17 59.57
10-18 48.66
10-19 42.49
10-20 39.72
10-21 38.13
10-22 32.95
10-23 30.79
10-24 29.54
10-25 27.99
10-26 27.28
10-27 28.37
10-28 27.6
10-29 26.84
10-30 31.11
10-31 31.88
11-01 30.83
11-02 30.8
11-03 32.17
11-04 66.01
11-05 84.1
11-06 74.41
11-07 59.67
11-08 51.69
11-09 51.56
11-10 63.93
11-11 74.4
11-12 76.89
11-13 83.25
11-14 86.11
11-15 77.11
11-16 77.16
11-17 86.85
11-18 90.49
11-19 70.97
11-20 57.13
11-21 57.68
11-22 57.33
11-23 55.72
11-24 57.82
11-25 61.41
11-26 72.28
11-27 78.47
11-28 74.4
11-29 74.01
11-30 65.28
12-01 58.68
12-02 56.25
12-03 70.3
12-04 84.79
12-05 84.29
12-06 76.98
12-07 96.97
12-08 112.54
12-09 115.91
12-10 119.79
12-11 118.81
12-12 111.04
12-13 100.59
12-14 89.75
12-15 99.25
12-16 102.85
12-17 95.49
12-18 123.13
12-19 151.66
12-20 120.82
12-21 98.03
12-22 94.05
12-23 108.44
12-24 161.26
12-25 223.42
12-26 213.9
12-27 188.02
12-28 161.92
12-29 136.81
12-30 140.78
12-31 136.72

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index