Hydrology Banner

Victoria Falls / Big Tree

The Zambezi River flows at Victoria Falls are in recession, closing the period under review at 633 m3/s on 13th August 2020. The flow observed on the same date last year was 368m3/s.

DateFlow (m3/s) 2020Flow (m3/s) 2019
31/7/2020799422
01/8/2020782436
02/8/2020770426
03/8/2020752421
4/8/2020739416
5/8/2020726406
6/8/2020711401
7/8/2020701396
8/8/2020687391
9/8/2020678386
10/8/2020664382
11/8/2020656377
12/8/2020643372
13/8/2020633368
From: 
Friday, July 31, 2020
To: 
Thursday, August 13, 2020
Lake Levels Graphic: 

Chavuma

The Zambezi River flows at Chavuma are in recession, closing the period under review at 153m3/s as of 24th August 2026, whilst last year on the same date it was at 148m3/s.

From:
11 August 2026
To:
24 August 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
11-Aug183183
12-Aug181180
13-Aug177176
14-Aug175173
15-Aug173170
16-Aug171168
17-Aug169165
18-Aug166163
19-Aug164160
20-Aug162158
21-Aug160154
22-Aug157152
23-Aug155151
24-Aug153148

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 490m3/s as of 24th August 2026. The flow recorded last year on the same date was at 442m3/s.

From:
11 August 2026
To:
24 August 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
11-Aug577532
12-Aug569527
13-Aug566516
14-Aug557510
15-Aug548500
16-Aug539494
17-Aug535487
18-Aug525480
19-Aug516472
20-Aug513465
21-Aug507460
22-Aug499454
23-Aug492443
24-Aug490442

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 510m3/s as of 24th August 2026.  The flow observed on the same date last year was at 459m3/s.

From:
11 August 2026
To:
24 August 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
11-Aug613570
12-Aug601562
13-Aug590550
14-Aug582540
15-Aug578530
16-Aug570519
17-Aug564513
18-Aug552508
19-Aug544497
20-Aug536492
21-Aug529485
22-Aug518478
23-Aug515466
24-Aug510459