Le Morne Beach Water Temperature & Swim Forecast
Kite-surf mecca beneath Le Morne mountain.
Mild water with a light chop and a light breeze — good swimming conditions.
Model estimate · modelled, not a buoy measurement. How accurate is this?
Location
Le Morne Beach on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Shorty 2mm
At 20.8°C a 2mm shorty keeps surfers warm; lap swimmers can usually skip the neoprene.
Recommendation tuned for Le Morne Beach's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Le Morne Beach swimming conditions summary
- Water temperature
- 20.8°C
- Water feels
- Pleasant
- Swimmable today
- Yes — comfortable for most swimmers
- Swim conditions score
- 81/100 · Excellent
- Wetsuit needed
- Shorty 2mm
- Air temperature
- —
- Waves
- —
- Wind
- —
- UV index
- —
- Average sea temperature (September)
- 21.0 °C
- Warmest months to swim
- January, February, March
At 20.8°C a 2mm shorty keeps surfers warm; lap swimmers can usually skip the neoprene. Model estimate. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.
Frequently asked questions
Can I swim at Le Morne Beach right now?
The sea at Le Morne Beach is currently 20.8°C — good swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.
What will the sea temperature be at Le Morne Beach next week?
Based on long-term September averages and the latest marine model, expect the sea around Le Morne Beach to sit close to 21.7°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.
When is the best month to swim at Le Morne Beach?
January – February – March are typically the warmest months to swim at Le Morne Beach, with sea temperatures at their seasonal peak.
Do I need a wetsuit at Le Morne Beach?
With water currently at 20.8°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.
Can I swim at Le Morne Beach today?
The sea is currently 20.8°C — excellent swimming conditions. Most swimmers will find it pleasant.
- • Located in Black River, Mauritius (Indian Ocean).
- • Family friendly with calm, accessible water.
- • Live data refreshed hourly from Open-Meteo Marine.
Monthly sea temperature averages
Tap any month to see what to expect — based on regional climatology.
Best time to swim in Le Morne Beach
The sea in Le Morne Beach peaks in February, when the water averages around 25°C.
The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.
On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
The coldest month is typically July at around 20°C, when cold-water swimmers dominate the coast.
Le Morne Beach sits in the Southern Hemisphere, so the warmest sea coincides with the December–February summer and the coolest with July–August.
Le Morne Beach sea temperature history
Long-term climatology for Le Morne Beach shows an annual mean sea temperature of 22°C, ranging from 20°C in winter to 25°C at the summer peak.
The seasonal swing is roughly 5°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Le Morne Beach, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Le Morne Beach sea temperature: frequently asked questions
What is the warmest month to swim in Le Morne Beach?
February is the warmest month in Le Morne Beach, when the sea averages about 25°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Le Morne Beach?
The coldest month in Le Morne Beach is typically July, when the water averages around 20°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Le Morne Beach without a wetsuit?
The main swimming season in Le Morne Beach runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Le Morne Beach?
Outside peak summer the water in Le Morne Beach drops toward 20°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.
What is the average sea temperature in Le Morne Beach?
The long-term annual mean sea temperature in Le Morne Beach is about 22°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Le Morne Beach?
The live reading at the top of this page shows the current sea temperature in Le Morne Beach, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Year-round sea temperature
Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec
| Month | Sea | Comfort |
|---|---|---|
| Jan | 24°C | Warm |
| Feb ⭐ | 25°C | Warm |
| Mar | 24°C | Warm |
| Apr | 23°C | Warm |
| May | 22°C | Warm |
| Jun | 21°C | Pleasant |
| Jul | 20°C | Pleasant |
| Aug | 20°C | Pleasant |
| Sep | 21°C | Pleasant |
| Oct | 22°C | Warm |
| Nov | 23°C | Warm |
| Dec | 24°C | Warm |
Nearby beaches
The closest coastline, with live water temperatures.