Flood Risk in Lagos, Nigeria
Risk Level: Extreme — Score 9/10
Key Risk Factors
- High risk rating for Lagos based on ThinkHazard (River flood)
- 22 events recorded in proximity in recent decades
- 2 event(s) in the last 12 months
- Significant river or coastal flood exposure
Peak season: March-September
Last significant event: Flood - Nigeria (2025-09-25) — 174,000,472 people exposed
Highest Risk Cities for Floods
How Lagos Compares
Notable Flood Events Near Lagos
Floods - Lagos, Nigeria
June 18, 2020 — WARNING
Impact data not available
Floods - Lagos State, Nigeria
July 11, 2022 — WARNING
Impact data not available
Flood - Nigeria
September 24, 2025 — WARNING
174,000,472 people exposed; $504,693M capital exposed
Flood - SE of Oueme Basin, Nigeria
May 24, 2024 — WARNING
27,300,000 people exposed; $87,347M capital exposed
Flood - Niger Basin, Benin and Nigeria
September 13, 2023 — WARNING
8,570,000 people exposed; $26,875M capital exposed
Flood Preparedness Tips
- 1.Know if your property is in a flood zone — check FEMA maps
- 2.Consider flood insurance even if not in a high-risk zone
- 3.Never drive through flooded roadways — Turn Around, Don’t Drown
- 4.Move valuables and important documents to upper floors
- 5.Install sump pumps and check valves in plumbing
Related Pages
How this data is built
Lagos, Nigeria flood risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live flood monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.
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