DisasterAWARE
9
Extreme

flood Flood Risk in Lagos, Nigeria

Risk Level: Extreme — Score 9/10

Risk: 9Historical: 10

Live Flood alert status near Lagos

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Live flood map around Lagos

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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

1
New York, NY
FEMA: 9Historical: 10
2
Los Angeles, CA
FEMA: 9Historical: 10
3
Chicago, IL
FEMA: 9Historical: 10
4
Houston, TX
FEMA: 9Historical: 10
5
Phoenix, AZ
FEMA: 9Historical: 10
6
Philadelphia, PA
FEMA: 9Historical: 10
7
San Antonio, TX
FEMA: 9Historical: 10
8
San Diego, CA
FEMA: 9Historical: 10
9
Dallas, TX
FEMA: 9Historical: 10
10
San Jose, CA
FEMA: 9Historical: 10
Lagos is not in the top 10 for flood risk among tracked cities.

How Lagos Compares

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Notable Flood Events Near Lagos

DisasterAWARE's historical archive records 5 notable flood events near Lagos, ranked below by impact. The most impactful: Flood - Nigeria (September 2025) — 174,000,472 people exposed; $504,693M capital exposed.

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

Floods - Lagos State, Nigeria

July 11, 2022 — WARNING

Impact data not available

Floods - Lagos, Nigeria

June 18, 2020 — WARNING

Impact data not available

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

earthquake
Earthquake Risk in Lagos
Score: 3/10
wildfire
Wildfire Risk in Lagos
Score: 9/10
hurricane
Hurricane Risk in Lagos
Score: 0/10
tornado
Tornado Risk in Lagos
Score: 0/10
winter-storm
Winter Storm Risk in Lagos
Score: 0/10
landslide
Landslide Risk in Lagos
Score: 9/10
extreme-heat
Extreme Heat Risk in Lagos
Score: 3/10
drought
Drought Risk in Lagos
Score: 3/10
high-wind
High Wind Risk in Lagos
Score: 0/10
tsunami
Tsunami Risk in Lagos
Score: 0/10
flood
Flood Risk in Accra, Ghana
Score: 3/10
flood
Flood Risk in Nairobi, Kenya
Score: 3/10
flood
Flood Risk in Cairo, Egypt
Score: 1/10

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.

The data behind this page

Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.

Historical flood event data for Lagos, Nigeria — free dataset samples →Real-time flood alerts by API →

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