Mauritius — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of Mauritius. Learn about today’s conditions, monthly averages, and how the surrounding seas and oceans vary by season. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
- Flic en Flac26°C
- Le Morne26°C
- Grand Baie26°C
- Belle Mare26°C
- Port Louis26°C
- Trou aux Biches26°C
- Grand Gaube26°C
- Trou deau Douce26°C
- Quatre Soeurs26°C
- Cap Malheureux26°C
- Blue Bay26°C
- Grande Riviere Sud Est26°C
- Tamarin26°C
- Mahebourg26°C
- Bambous Virieux26°C
- Bois Des Amourettes26°C
- Grand Sable26°C
- Roches Noire26°C
- Turtle Bay26°C
- Souillac26°C
- Grande Pointe Aux Piments26°C
- Grande Riviere Noire26°C
- Port Mathurin26°C
Coastal Seas and Oceans
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
Mauritius enjoys warm Indian Ocean waters that make swimming pleasant for most of the year. Sea surface temperatures typically range from about 22–29 °C (72–84 °F), with the warmest months from November through April when temperatures commonly sit between 26–29 °C (79–84 °F). The coolest period runs roughly from May to October, when water temperatures fall to about 22–25 °C (72–77 °F). Sheltered lagoons and reef-protected bays often feel warmer and calmer than the exposed southern and eastern coasts, where deeper or wind-driven water can be a few degrees cooler. These seasonal differences are modest compared with temperate climates, so swimming remains comfortable year-round for most visitors.
Swimming Conditions
Swimming is widely permitted and routinely enjoyed across Mauritius, especially in the many reef-protected lagoons and resort beaches that offer gentle conditions ideal for families and snorkelers. However, conditions can become hazardous at times; the southeast trade winds and winter swells (May–October) can produce stronger currents and surf along exposed shorelines, so swimmers should favor sheltered beaches or patrolled areas and heed local advisories. Lifeguards are not universally present, so exercising caution, checking tide and weather information, and asking local operators about safe entry points is advisable. Beyond casual swimming, the warm waters support excellent snorkeling and diving around coral reefs and are a year-round draw for water-based activities.