Hydrology Banner

Victoria Falls / Big Tree

The Zambezi River flows at Victoria Falls have started increasing due to second wave of incoming inflows from the upper Kariba catchment, closing the period under review at 2,792m3/s on 6th May 2021. The flow observed on the same date last year was 4,462m3/s.

DateFlow (m3/s) 2020/21Flow (m3/s) 2019/20
23/4/20212,7974,086
24/4/20212,7834,153
25/4/20212,7664,206
26/4/20212,7504,252
27/4/20212,7484,358
28/4/20212,7414,375
29/4/20212,7344,427
30/4/20212,7374,462
1/5/20212,7384,497
2/5/20212,7454,532
3/5/20212,7454,568
4/5/20212,7574,532
5/5/20212,7694,532
6/5/20212,7924,462
From: 
Friday, April 23, 2021
To: 
Thursday, May 6, 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