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Victoria Falls / Big Tree

The Kariba Lake is designed to operate between levels 475.50m and 488.50m (with 0.70m freeboard) for hydropower generation.

The Lake level has continued rising steadily, stagnating at the close of the period under review at 481.25m (41.19% usable storage) on 22nd June 2020.  Last year on the same date, the Lake level was at 479.56m (28.61% usable storage).

DateFlow (m3/s) 2020Flow (m3/s) 2019
9/6/20202523963
10/6/20202460955
11/6/20202405946
12/6/20202349938
13/6/20202281929
14/6/20202234921
15/6/20202184912
16/6/20202135904
17/6/20202092896
18/6/20202040888
19/6/20201994871
20/6/20201948855
21/6/20201909839
22/6/20201868831
Victoria Falls / Big Tree
From: 
Tuesday, June 9, 2020
To: 
Monday, June 22, 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