Tunisia
Medenine · Mediterranean Sea

Djerba Sidi Mahares Water Temperature & Swim Forecast

Long Djerba island beach.

Warm water with a light chop and a light breeze — great swimming conditions.

Sea temperature now
26.3°Chot
Excellent
Source: Open-Meteo Marine

Model estimate · modelled, not a buoy measurement. How accurate is this?

Air temperature
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Wave height
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Wind
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UV index
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Location

Djerba Sidi Mahares on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Wetsuit recommendation

No wetsuit

At 26.3°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.

Surf & watersports
Tropical-feel conditions. Most swimmers stay comfortable for an hour or more without thermal protection. UV exposure is the bigger risk — sunscreen and a rash vest are worth packing.
Open-water swimming
Open-water swims of 60+ minutes feel comfortable with no neoprene.

Recommendation tuned for Djerba Sidi Mahares's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Djerba Sidi Mahares swimming conditions summary

Water temperature
26.3°C
Water feels
Warm
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
88/100 · Excellent
Wetsuit needed
No wetsuit
Air temperature
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Waves
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Wind
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UV index
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Average sea temperature (September)
26.0 °C
Warmest months to swim
July, August, September

At 26.3°C the water is warm enough to swim and surf in just a swimsuit or boardshorts. 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 Djerba Sidi Mahares right now?

The sea at Djerba Sidi Mahares is currently 26.3°C — excellent 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 Djerba Sidi Mahares next week?

Based on long-term September averages and the latest marine model, expect the sea around Djerba Sidi Mahares to sit close to 23.4°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 Djerba Sidi Mahares?

July – August – September are typically the warmest months to swim at Djerba Sidi Mahares, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Djerba Sidi Mahares?

With water currently at 26.3°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.

Quick answer

Can I swim at Djerba Sidi Mahares today?

The sea is currently 26.3°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Medenine, Tunisia (Mediterranean Sea).
  • • 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.

15°C → 27°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Djerba Sidi Mahares

The sea in Djerba Sidi Mahares peaks in August, when the water averages around 27°C.

The main swimming season runs from May – November, when surface temperatures stay comfortable for extended sessions.

On average, 7 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Shoulder months like April and December are noticeably cooler but often quieter, with fewer crowds and steadier weather.

Outside peak season the water drops toward 17°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 15°C, when cold-water swimmers dominate the coast.

Djerba Sidi Mahares sea temperature history

Long-term climatology for Djerba Sidi Mahares shows an annual mean sea temperature of 20°C, ranging from 15°C in winter to 27°C at the summer peak.

The seasonal swing is roughly 12°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 Djerba Sidi Mahares, 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.

Jan
16°C
Feb
15°C
Mar
15°C
Apr
17°C
May
20°C
Jun
23°C
Jul
26°C
Aug
27°C
Sep
26°C
Oct
23°C
Nov
20°C
Dec
17°C

Djerba Sidi Mahares sea temperature: frequently asked questions

What is the warmest month to swim in Djerba Sidi Mahares?

August is the warmest month in Djerba Sidi Mahares, when the sea averages about 27°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Djerba Sidi Mahares?

The coldest month in Djerba Sidi Mahares is typically February, when the water averages around 15°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Djerba Sidi Mahares without a wetsuit?

The main swimming season in Djerba Sidi Mahares runs from May – November — about 7 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 Djerba Sidi Mahares?

Outside peak summer the water in Djerba Sidi Mahares drops toward 17°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 Djerba Sidi Mahares?

The long-term annual mean sea temperature in Djerba Sidi Mahares is about 20°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Djerba Sidi Mahares?

The live reading at the top of this page shows the current sea temperature in Djerba Sidi Mahares, 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: May – Jun – Jul – Aug – Sep – Oct – Nov

MonthSeaComfort
Jan16°CBracing
Feb15°CBracing
Mar15°CBracing
Apr17°CBracing
May20°CPleasant
Jun23°CWarm
Jul26°CHot
Aug ⭐27°CHot
Sep26°CHot
Oct23°CWarm
Nov20°CPleasant
Dec17°CBracing

Nearby beaches

The closest coastline, with live water temperatures.