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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 steadily decreasing, closing the period under review at 1,148m3/s as of 11th May 2026, whilst last year on the same date it was at 1,655m3/s.

From:
28 April 2026
To:
11 May 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
28-Apr17532936
29-Apr16823065
30-Apr16283103
1-May15743074
2-May15292971
3-May14812842
4-May14302695
5-May13852584
6-May13382441
7-May12972296
8-May12552070
9-May12121955
10-May11791798
11-May11481655

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 3,162m3/s as of 11th May 2026. The flow recorded last year on the same date was lower at 2,880m3/s.

From:
28 April 2026
To:
11 May 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
28-Apr35642934
29-Apr35412970
30-Apr35182999
1-May34953009
2-May34693014
3-May34413009
4-May34162987
5-May33902982
6-May33652960
7-May33172941
8-May32672929
9-May32392912
10-May32022883
11-May31622880

Victoria Falls (Nana’s Farm Station)

The Zambezi River flows at Victoria Falls – Nana’s Farm Station are steadily decreasing, closing the period under review at 3,526m3/s as of 11th May 2026.  The flow observed on the same date last year was lower at 2,773m3/s.

From:
28 April 2026
To:
11 May 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
28-Apr36972483
29-Apr36942498
30-Apr36842514
1-May36612539
2-May36482559
3-May36382582
4-May36232612
5-May36102635
6-May36072658
7-May35872690
8-May35692706
9-May35592752
10-May35442759
11-May35262773