Severe Extreme Weather ● Closed
Heavy swell warning for Mauritius valid till 10h00 on Wednesday 20 August 2025.
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
Sea very rough beyond the reefs with Southwesterly swells of the order of 4 metres.
These swells may cause coastal inundations along the low-lying areas especially during high tides.
Measurements
| Coordinates | -20.1492, 57.4963 |
|---|---|
| Region | Mauritius |
| Location Precision | polygon |
| Issuing Authority | Mauritius — mu-mms-en |
| Cap Urgency | Immediate |
| Cap Certainty | Likely |
| Cap Expires | 2026-09-17T06:00:00+04:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportAlso reported by: WMO
This event as JSON · API and licence
Source updated 34 days ago (Sep 15, 2026 07:47 UTC) · we last heard from WMO Alert Hub (national weather services) 37 seconds ago
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Official authorities in Mauritius
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for Mauritius →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
When thunder roars, go indoors — lightning risk outdoors, in vehicles, and first aid for strike victims.
Open Lightning Safety Guide →Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.