For the 2025 major rainy season in the southern parts of the Gulf of Guinea countries, average to below average rainfall totals are expected in southeastern Nigeria, southwestern Côte d'Ivoire and average to above average rainfall in the southwestern parts of Nigeria, southeastern Ghana and southern Benin, Togo and Côte d'Ivoire; an early to average onset, an early to average cessation and long to average dry spell durations are expected over most of the Gulf of Guinea area; average to above average flows in the western coastal basins and above average to average flows in the eastern coastal basins.

The 2024 Edition of the PRESASS was organized from April 22 to 26, 2024 in Abuja, Nigeria, by AGRHYMET Regional Climate Center for West Africa and the Sahem (AGRHYMET RCC-WAS) of the CILSS, in collaboration with ACMAD, the National Meteorological and Hydrological Services (NMHSs), WMO and the West African River Basin Organizations. .......Generally a wet rainy season is expected in 2024 over the Sahelian belt, with late to normal starting dates of the agricultural season in the Sahel-Central and early to normal s in the Sahel-West and East; late to normal ending dates of the agricultural season; short dry spells at the beginning of the season in the Sahel-West and medium to long dry spells in the Sahel-East and generally long dry spells towards the end of the season over the entire Sahelian belt; and above-average runoff in the main Sahelian river basins.......