Gambia River: Water levels rising at several stations, but below alert thresholds.

The hydrological situation of the Gambia River and its main tributaries is marked, as of Thursday, August 27, 2026, by a rise in water levels at several monitoring stations. Despite these variations, the recorded heights remain generally below alert levels, according to the daily hydrological bulletin from the Tambacounda/Kédougou Water Resources Brigade.

In Kédougou, the Gambia River level reached 4.21 meters at 8:00 AM, compared to 4.18 meters the previous day, representing a rise of 3 centimeters in 24 hours. With the alert level set at 7 meters, the difference remains at 2.79 meters. The station is nevertheless under a yellow alert, calling for heightened vigilance.

The rise is more significant at Mako, where the water level reached 3.79 meters, compared to 3.68 meters the previous day, an increase of 11 centimeters. At Simenti, the level climbed to 5.85 meters, compared to 5.45 meters on August 26, thus registering a rise of 40 centimeters. These two stations, however, remain well below their respective alert levels, set at 6 meters at Mako and 13 meters at Simenti.

In Gouloumbou, the trend is reversed. The water level has receded slightly, from 5.48 to 5.44 meters, a drop of 4 centimeters. The alert level is set at 12 meters, leaving a margin of 6.56 meters.

On the tributary side, the Diaguiri River recorded one of the largest rises of the day. The level reached 2.60 meters, compared to 1.85 meters the previous day, representing a rise of 75 centimeters in 24 hours. With the alert level at 6 meters, the difference remains at 3.40 meters.

In Niokolokoba, the water level is also rising, increasing from 1.39 to 1.70 meters, a rise of 31 centimeters. The station remains under green alert, as do the other stations where no particular situation has been reported.

Data from Thiokoye for August 27th has not yet been received. The height recorded the previous day was 4.29 meters. At Diarha Pont, the level recorded at 8:00 AM was 1.82 meters, while data from the previous day is unavailable.

On an interannual basis, the levels observed on August 27 are generally lower than those recorded on the same date in 2025, with the notable exception of Kédougou, where the level is 68 centimeters higher than that recorded on August 27, 2025. In Gouloumbou, Diaguiri and Niokolokoba, the interannual decreases are respectively 2.10 meters, 74 centimeters and 5.10 meters.

The hydrological situation remains under surveillance, with a yellow alert reported at some stations, but none of the levels reported in the bulletin reach the alert levels at this stage.