Hydrology Banner

Victoria Falls / Big Tree

The Zambezi River flows at Victoria Falls are decreasing, closing the period under review at 2,354m3/s on 27th March 2023. The flow observed on the same date last year was 2,099m3/s.

DateFlow (m3/s)(2022/23)Flow (m3/s)(2021/22)
14-Mar2,5461,314
15-Mar2,5351,339
16-Mar2,5301,359
17-Mar2,5191,453
18-Mar2,5121,490
19-Mar2,5101,515
20-Mar2,4981,566
21-Mar2,4651,624
22-Mar2,4471,690
23-Mar2,4251,764
24-Mar2,4071,846
25-Mar2,3961,940
26-Mar2,3762,029
27-Mar2,3542,099
Victoria Falls / Big Tree
From: 
Tuesday, March 14, 2023
To: 
Monday, March 27, 2023
Lake Levels Graphic: 
vic-falls

Chavuma

The Zambezi River flows at Chavuma are in recession, closing the period under review at 114m3/s as of 16th September 2026, whilst last year on the same date it was at 102m3/s. 

From:
3 September 2026
To:
16 September 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
3-Sept129125
4-Sept126122
5-Sept123119
6-Sept126118
7-Sept126116
8-Sept124115
9-Sept121113
10-Sept120112
11-Sept120110
12-Sept119108
13-Sept117107
14-Sept121105
15-Sept115104
16-Sept114102

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 377m3/s as of 16th September 2026. The flow recorded last year on the same date was at 322m3/s.

From:
3 September 2026
To:
16 September 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
3-Sept433378
4-Sept427370
5-Sept425365
6-Sept418363
7-Sept413356
8-Sept413354
9-Sept402353
10-Sept399348
11-Sept395344
12-Sept390339
13-Sept388334
14-Sept385328
15-Sept378326
16-Sept377322

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 397m3/s as of 16th September 2026.  The flow observed on the same date last year was at 343m3/s.

From:
16 September 2026
To:
16 September 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
3-Sept453402
4-Sept451394
5-Sept447385
6-Sept444383
7-Sept438379
8-Sept433377
9-Sept427369
10-Sept424364
11-Sept419361
12-Sept415357
13-Sept410353
14-Sept407351
15-Sept403347
16-Sept397343