The Nigeria Hydrological Services Agency (NIHSA) has issued a flood advisory, warning that 14 states across the country face a medium flood risk between 14 July and 20 July 2026.
The agency’s Director-General, Umar Mohammed, disclosed that the warning follows the latest hydrological assessment, which predicts localised flooding along major river channels and identifies 16 monitoring stations as high-risk locations.
According to NIHSA, the states likely to be affected are Adamawa, Akwa Ibom, Anambra, Bauchi, Benue, Borno, Cross River, Edo, Enugu, Imo, Kaduna, Lagos, Niger and Plateau.
The agency warned that several communities, local government areas, schools, healthcare facilities and markets within these states could be impacted if residents and authorities fail to implement appropriate preventive measures.
Mohammed explained that the Annual Flood Outlook (AFO) provides scientific predictions and analysis of potential flood scenarios across Nigeria during the rainy season. He noted that the forecast is designed to support disaster preparedness, emergency
response planning and flood risk reduction efforts by governments and relevant agencies.He urged state governments, emergency management agencies and community leaders to strengthen early warning systems, improve public awareness and ensure evacuation plans are in place where necessary.
The Director-General identified Saminaka on the Karam River, the Waya Dam site on the Waya River, and Amber on the Amber River as some of the critical locations expected to experience flooding.
Residents living in flood-prone communities were advised to relocate to safer areas where necessary, clear blocked drainage channels, avoid driving or walking through flooded roads, and regularly monitor official flood updates issued by NIHSA.
Mohammed also called on emergency management agencies to pre-position relief materials and activate community-based early warning mechanisms to reduce the impact of any flooding.
As the rainy season intensifies, NIHSA urged Nigerians to remain vigilant and cooperate with relevant authorities to safeguard lives and property.
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