Hydrology Banner

Victoria Falls / Big Tree

The Zambezi River flows at Victoria Falls which have been increasing due to second wave of incoming inflows from the upper Kariba catchment, have started decreasing and closing the period under review at 2,555m3/s on 26th May 2021. The flow observed on the same date last year was 3,412m3/s.

DateFlow (m3/s) 2020/21Flow (m3/s) 2019/20
13/5/20212,8774,238
14/5/20212,8794,221
15/5/20212,8744,153
16/5/20212,8634,066
17/5/20212,8514,000
18/5/20212,8323,926
19/5/20212,8063,857
20/5/20212,7733,793
21/5/20212,7433,762
22/5/20212,7203,699
23/5/20212,6713,636
24/5/20212,6233,575
25/5/20212,5843,514
26/5/20212,5553,412
Victoria Falls / Big Tree
From: 
Thursday, May 13, 2021
To: 
Wednesday, May 26, 2021
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