Hydrology Banner

Victoria Falls / Big Tree

Flows at Victoria Falls have continued to increase steadily during the period under review before closing at 955m3/s on 3rd March 2020. Last year on the same date, the flow was 785m3/s. The Zambezi River flows at Victoria Falls are still below the long-term mean.

DateFlow (m3/s) 2020Flow (m3/s) 2019
19/2/2020816636
20/2/2020824656
21/2/2020831670
22/2/2020839677
23/2/2020847684
24/2/2020855691
25/2/2020863705
26/2/2020879733
27/2/2020888741
28/2/2020904748
29/2/2020921748
1/3/2020929763
2/3/2020938778
3/3/2020955785
Victoria Falls / Big Tree
From: 
Wednesday, February 19, 2020
To: 
Tuesday, March 3, 2020
Lake Levels Graphic: 
vic falls

Chavuma

The Zambezi River flows at Chavuma are in recession, closing the period under review at 169m3/s as of 17th August 2026, whilst last year on the same date it was at 165m3/s. 

From:
4 August 2026
To:
17 August 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
4-Aug204203
5-Aug202201
6-Aug199199
7-Aug196196
8-Aug191192
9-Aug189189
10-Aug186186
11-Aug183183
12-Aug181180
13-Aug177176
14-Aug175173
15-Aug173170
16-Aug171168
17-Aug169165

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 535m3/s as of 17th August 2026. The flow recorded last year on the same date was at 487m3/s.

From:
4 August 2026
To:
17 August 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
4-Aug649599
5-Aug635590
6-Aug631577
7-Aug618570
8-Aug609555
9-Aug600545
10-Aug590539
11-Aug577532
12-Aug569527
13-Aug566516
14-Aug557510
15-Aug548500
16-Aug539494
17-Aug535487

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 564m3/s as of 17th August 2026.  The flow observed on the same date last year was at 513m3/s.

From:
4 August 2026
To:
17 August 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
4-Aug703665
5-Aug691648
6-Aug674626
7-Aug661616
8-Aug641606
9-Aug631594
10-Aug624581
11-Aug613570
12-Aug601562
13-Aug590550
14-Aug582540
15-Aug578530
16-Aug570519
17-Aug564513