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Victoria Falls / Big Tree

The Kariba Lake is designed to operate between levels 475.50m and 488.50m (with 0.70m freeboard) for hydropower generation.

The Lake level has continued rising steadily, stagnating at the close of the period under review at 481.25m (41.19% usable storage) on 22nd June 2020.  Last year on the same date, the Lake level was at 479.56m (28.61% usable storage).

DateFlow (m3/s) 2020Flow (m3/s) 2019
9/6/20202523963
10/6/20202460955
11/6/20202405946
12/6/20202349938
13/6/20202281929
14/6/20202234921
15/6/20202184912
16/6/20202135904
17/6/20202092896
18/6/20202040888
19/6/20201994871
20/6/20201948855
21/6/20201909839
22/6/20201868831
Victoria Falls / Big Tree
From: 
Tuesday, June 9, 2020
To: 
Monday, June 22, 2020
Lake Levels Graphic: 
vic-falls

Chavuma

The Zambezi River flows at Chavuma are increasing steadily again, closing the period under review at 3,113m3/s as of 7th April 2026, whilst last year on the same date it was at 3,312m3/s.

From:
25 March 2026
To:
7 April 2026
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
25-Mar2,8642,731
26-Mar2,7682,697
27-Mar2,8462,632
28-Mar2,9132,584
29-Mar2,9292,570
30-Mar2,9222,554
31-Mar3,0172,548
1-Apr3,0542,607
2-Apr3,0222,696
3-Apr2,9782,796
4-Apr2,9622,964
5-Apr2,9573,010
6-Apr3,0443,106
7-Apr3,1133,312

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 4,009m3/s as of 7th April 2026. The flow recorded last year on the same date was lower at 2,337m3/s.

From:
25 March 2026
To:
7 April 2026
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
25-Mar4,2532,237
26-Mar4,2342,239
27-Mar4,2262,246
28-Mar4,2232,257
29-Mar4,2012,261
30-Mar4,1992,261
31-Mar4,1822,263
1-Apr4,1792,268
2-Apr4,1522,268
3-Apr4,1392,281
4-Apr4,1172,283
5-Apr4,1122,299
6-Apr4,0602,324
7-Apr4,0092,337

Victoria Falls (Nana’s Farm Station)

The Zambezi River flows at Victoria Falls – Nana’s Farm Station are increasing as rainfall season progresses, with fluctuations being observed in the flows, closing the period under review at 4,136m3/s as of 7th April 2026.  The flow observed on the same date last year was lower at 1,983m3/s.

From:
25 March 2026
To:
7 April 2026
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
25-Mar4,1521,325
26-Mar4,1651,385
27-Mar4,1871,447
28-Mar4,1921,519
29-Mar4,2001,586
30-Mar4,2061,647
31-Mar4,1951,718
1-Apr4,2001,776
2-Apr4,1601,822
3-Apr4,1311,872
4-Apr4,1041,909
5-Apr4,1151,946
6-Apr4,1331,967
7-Apr4,1361,983