Mexico
Quintana Roo · Caribbean Sea

Punta Sur Cozumel Water Temperature & Swim Forecast

Popular Quintana Roo beach near Cozumel.

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

Sea temperature now
28.9°Ctropical
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

Punta Sur Cozumel 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 28.9°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 Punta Sur Cozumel's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Punta Sur Cozumel swimming conditions summary

Water temperature
28.9°C
Water feels
Bath-warm
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
87/100 · 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)
29.0 °C
Warmest months to swim
July, August, September

At 28.9°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 Punta Sur Cozumel right now?

The sea at Punta Sur Cozumel is currently 28.9°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 Punta Sur Cozumel next week?

Based on long-term September averages and the latest marine model, expect the sea around Punta Sur Cozumel to sit close to 28.3°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 Punta Sur Cozumel?

July – August – September are typically the warmest months to swim at Punta Sur Cozumel, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Punta Sur Cozumel?

With water currently at 28.9°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 Punta Sur Cozumel today?

The sea is currently 28.9°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Quintana Roo, Mexico (Caribbean 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.

Best time to swim in Punta Sur Cozumel

The sea in Punta Sur Cozumel peaks in July, when the water averages around 29°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 January at around 26°C, when cold-water swimmers dominate the coast.

Punta Sur Cozumel sea temperature history

Long-term climatology for Punta Sur Cozumel shows an annual mean sea temperature of 27°C, ranging from 26°C in winter to 29°C at the summer peak.

The seasonal swing is roughly 3°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 Punta Sur Cozumel, 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
26°C
Feb
26°C
Mar
26°C
Apr
27°C
May
28°C
Jun
28°C
Jul
29°C
Aug
29°C
Sep
29°C
Oct
28°C
Nov
27°C
Dec
26°C

Punta Sur Cozumel sea temperature: frequently asked questions

What is the warmest month to swim in Punta Sur Cozumel?

July is the warmest month in Punta Sur Cozumel, when the sea averages about 29°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Punta Sur Cozumel?

The coldest month in Punta Sur Cozumel is typically January, when the water averages around 26°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Punta Sur Cozumel without a wetsuit?

The main swimming season in Punta Sur Cozumel 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 Punta Sur Cozumel?

Punta Sur Cozumel stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.

What is the average sea temperature in Punta Sur Cozumel?

The long-term annual mean sea temperature in Punta Sur Cozumel is about 27°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Punta Sur Cozumel?

The live reading at the top of this page shows the current sea temperature in Punta Sur Cozumel, 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

MonthSeaComfort
Jan26°CHot
Feb26°CHot
Mar26°CHot
Apr27°CHot
May28°CHot
Jun28°CHot
Jul ⭐29°CHot
Aug29°CHot
Sep29°CHot
Oct28°CHot
Nov27°CHot
Dec26°CHot

Nearby beaches

The closest coastline, with live water temperatures.