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High waves and swell — Center-west, south-west, south, south-east and center-east coasts of Madagascar.

severe

Severity as published by WMO Alert Hub (national weather services).

Source

WMO Alert Hub (national weather services) — official source

Time

8 September 2026, 13:55 UTC (Sep 8, 2026)

Area

Center-west, south-west, south, south-east and center-east coasts of Madagascar., Madagascar
-21.959, 45.524

What this is

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Understanding surge zones, evacuation timing, and why storm surge is the deadliest part of a tropical cyclone.
Full storm surge safety guide

Who to contact

National Office for Risk and Disaster Management (BNGRC) · Meteo Madagascar

This site is not an emergency service and does not issue warnings.

Location

No map is loaded here. A map means downloading image tiles from another service, which is the slowest thing on the full page and the first thing to fail on a weak connection. The coordinates are above if you need them.