okavango delta’s 2025 flood

The Delta’s safari year is written months in advance, in rain gauges and river stations hundreds of kilometres away in Angola. Here is what the data said about the 2025 flood, and what it meant for anyone planning Botswana.

2 min read

Reading the Flood

The Okavango is a desert delta: its water arrives not from local rain but from a flood pulse that starts in the Angolan highlands and takes months to travel south. That is why, every year, the safari industry watches river gauges the way farmers watch the sky. After an extended drought across southern Africa, early 2025 finally brought the kind of numbers worth watching, with parts of the region recording over 200 millimetres of rain in a short period and the ground saturated enough to let the coming floodwaters spread rather than sink.

The safari industry watches river gauges the way farmers watch the sky.

Saturated soil is the detail that matters most. In a drought year the Delta’s sands drink the flood before it can travel; on wet ground, the same pulse runs further, fills more channels and floods more plains. With more rain forecast for February and March both locally and in the catchment, the setup for 2025 looked better than it had in several seasons.

Fire pit at dusk overlooking a Delta lagoon — Sable Alley

What the River Gauges Said

Two rivers feed the Delta, and they behave completely differently. The monitoring stations at Rundu and Divundu in Namibia track them on their way south.

River	Character	What it meant for 2025
Cubango	Fast responder; carries a large share of the Delta’s annual flow.	Early, clear rises at Rundu and Divundu; a strong opening signal.
Cuito	Drains slowly through deep sand; releases its water gradually.	The sustained second pulse, expected to carry the flood through the season.
Zambezi & Cunene	Neighbouring catchments, useful as context.	Less dramatic rises, suggesting the Okavango was receiving comparatively strong inflows.

Hydrological chart of Okavango river levels, early 2025 — Hydrological service data, February 2025

Comparative river level chart for the Okavango catchment — Hydrological service data, February 2025

What It Means on Safari

A good flood redraws the map. As water spreads over ground already softened by rain, floodplains and channels expand, game redistributes to new grazing and predators follow, and the Delta’s signature experiences, mokoro and boating, open across country that a dry year keeps closed. For guests, the practical difference is choice: more camps with water activities, more of the Delta reachable, and the landscape at its photogenic best.

Guests watching wildlife from camp chairs at the water’s edge — Kweene Trails

We plan Botswana around the water, not the calendar. The same camp can be a boating camp in June and a game-drive camp in November, and which one you get depends on the flood, so in a strong year like this we lean itineraries toward the channels and the mokoro country while it lasts. If Botswana is on your list, the flood outlook is the first conversation worth having.

Paul Callcutt
Managing Director