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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
From: 
Tuesday, March 10, 2020
To: 
Monday, March 23, 2020
Lake Levels Graphic: 
vic falls

Chavuma

The Zambezi River flows at Chavuma are steadily decreasing again, closing the period under review at 2,399m3/s as of 21st April 2026, whilst last year on the same date it was at 2,601m3/s.

From:
8 April 2026
To:
21 April 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
8-Apr3,1273,542
9-Apr3,0633,682
10-Apr2,9853,720
11-Apr2,9193,670
12-Apr2,8583,554
13-Apr2,8023,423
14-Apr2,7443,259
15-Apr2,7103,127
16-Apr2,6903,019
17-Apr2,6672,916
18-Apr2,6172,803
19-Apr2,5522,692
20-Apr2,4692,682
21-Apr2,3992,601

Ngonye

Flows at Ngonye are steadily decreasing, with records of fluctuation being observed due to localised rainfall activity within the catchment area, closing the period under review at 3,647m3/s as of 21st April 2026. The flow recorded last year on the same date was lower at 2,650m3/s.

From:
8 April 2026
To:
21 April 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
8-Apr3,9642,367
9-Apr3,9022,389
10-Apr3,8572,417
11-Apr3,8232,451
12-Apr3,7702,480
13-Apr3,7362,513
14-Apr3,6792,529
15-Apr3,6402,557
16-Apr3,6472,580
17-Apr3,6242,596
18-Apr3,6212,626
19-Apr3,6212,629
20-Apr3,6402,633
21-Apr3,6472,650

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 3,853m3/s as of 21st April 2026.  The flow observed on the same date last year was lower at 2,297m3/s.

From:
8 April 2026
To:
21 April 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
8-Apr4,1042,006
9-Apr4,0432,015
10-Apr4,0242,036
11-Apr4,0352,063
12-Apr4,0432,082
13-Apr4,0292,099
14-Apr4,0052,126
15-Apr3,9762,150
16-Apr3,9602,165
17-Apr3,9242,182
18-Apr3,8922,223
19-Apr3,8682,275
20-Apr3,8552,273
21-Apr3,8532,297