Hydrology Banner

Victoria Falls / Big Tree

Flows at Victoria Falls have continued to increase steadily during the period under review before closing at 3,133m3/s on 23rd March 2020. Last year on the same date, the flow was 831m3/s. The Zambezi River flows at Victoria Falls are above the long-term mean.

DateFlow (m3/s) 2020Flow (m3/s) 2019
10/3/20201328824
11/3/20201382816
12/3/20201507824
13/3/20201630831
14/3/20201800839
15/3/20201975831
16/3/20202146824
17/3/20202284824
18/3/20202398808
19/3/20202520800
20/3/20202647808
21/3/20202797839
22/3/20202962839
23/3/20203133831
From: 
Tuesday, March 10, 2020
To: 
Monday, March 23, 2020
Lake Levels Graphic: 
vic falls

Chavuma

The Zambezi River flows at Chavuma are in recession, closing the period under review at 380m3/s as of 29th June 2026, whilst last year on the same date it was at 379m3/s.

From:
16 June 2026
To:
29 June 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
16-Jun461493
17-Jun452482
18-Jun444472
19-Jun437461
20-Jun427452
21-Jun420443
22-Jun413433
23-Jun407424
24-Jun398415
25-Jun393407
26-Jun386401
27-Jun393394
28-Jun386385
29-Jun380379

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 1,296m3/s as of 29th June 2026. The flow recorded last year on the same date was at 1,394m3/s.

From:
16 June 2026
To:
29 June 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
16-Jun15951868
17-Jun15731828
18-Jun15471787
19-Jun15261752
20-Jun15081711
21-Jun14861685
22-Jun14651643
23-Jun14171611
24-Jun14061575
25-Jun13901541
26-Jun13601508
27-Jun13341475
28-Jun13131446
29-Jun12961394

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 1,576m3/s as of 29th June 2026.  The flow observed on the same date last year was at 1,820m3/s.

From:
16 June 2026
To:
29 June 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
16-Jun20422389
17-Jun20022356
18-Jun19592308
19-Jun19192273
20-Jun18772231
21-Jun18382193
22-Jun18002143
23-Jun17682103
24-Jun17322059
25-Jun16982011
26-Jun16651952
27-Jun16341909
28-Jun16071864
29-Jun15761820