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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
Victoria Falls / Big Tree
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 204m3/s as of 4th August 2026, whilst last year on the same date it was at 203m3/s. 

From:
22 August 2026
To:
4 August 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
22-Jul250252
23-Jul246249
24-Jul243245
25-Jul238242
26-Jul235238
27-Jul231234
28-Jul228229
29-Jul223226
30-Jul220222
31-Jul217218
1-Aug212215
2-Aug209211
3-Aug207208
4-Aug204203

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 649m3/s as of 4th August 2026. The flow recorded last year on the same date was at 599m3/s.

From:
22 July 2026
To:
4 August 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
22-Jul829807
23-Jul809786
24-Jul796761
25-Jul785750
26-Jul766730
27-Jul755715
28-Jul741700
29-Jul726677
30-Jul710663
31-Jul695650
1-Aug685638
2-Aug674625
3-Aug658609
4-Aug649599

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 703m3/s as of 4th August 2026.  The flow observed on the same date last year was at 665m3/s.

From:
22 July 2026
To:
4 August 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
22-Jul958994
23-Jul936963
24-Jul909942
25-Jul884904
26-Jul856873
27-Jul840840
28-Jul822814
29-Jul808788
30-Jul785764
31-Jul769744
1-Aug752721
2-Aug733701
3-Aug720675
4-Aug703665