Puerto Madryn Water Temperature & Swim Forecast
Popular beach in Puerto Madryn, Argentina.
Cool water with a light chop and a light breeze — fresh conditions — a wetsuit is recommended.
Model estimate · modelled, not a buoy measurement. How accurate is this?
Location
Puerto Madryn on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
4/3mm fullsuit
At 15.5°C you need a 4/3mm fullsuit, and many surfers add neoprene boots.
- + Optional 3mm boots
Recommendation tuned for Puerto Madryn's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Puerto Madryn swimming conditions summary
- Water temperature
- 15.5°C
- Water feels
- Refreshing
- Swimmable today
- Only with thermal protection
- Swim conditions score
- 56/100 · Fair
- Wetsuit needed
- 4/3mm fullsuit
- Air temperature
- —
- Waves
- —
- Wind
- —
- UV index
- —
- Average sea temperature (October)
- 15.0 °C
- Warmest months to swim
- January, February, March
At 15.5°C you need a 4/3mm fullsuit, and many surfers add neoprene boots. 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 Puerto Madryn right now?
The sea at Puerto Madryn is currently 15.5°C — cold 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 Puerto Madryn next week?
Based on long-term October averages and the latest marine model, expect the sea around Puerto Madryn to sit close to 15.0°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 Puerto Madryn?
January – February – March are typically the warmest months to swim at Puerto Madryn, with sea temperatures at their seasonal peak.
Do I need a wetsuit at Puerto Madryn?
With water currently at 15.5°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 Puerto Madryn today?
The sea is currently 15.5°C — fair swimming conditions. Acclimatised swimmers will be most comfortable.
- • Located in Chubut, Argentina (Atlantic 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 Puerto Madryn
The sea in Puerto Madryn peaks in January, when the water averages around 24°C.
The main swimming season runs from December – March, when surface temperatures stay comfortable for extended sessions.
On average, 4 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like November and April are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 14°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically August at around 12°C, when cold-water swimmers dominate the coast.
Puerto Madryn sits in the Southern Hemisphere, so the warmest sea coincides with the December–February summer and the coolest with July–August.
Puerto Madryn sea temperature history
Long-term climatology for Puerto Madryn shows an annual mean sea temperature of 18°C, ranging from 12°C in winter to 24°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 Puerto Madryn, 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.
Puerto Madryn sea temperature: frequently asked questions
What is the warmest month to swim in Puerto Madryn?
January is the warmest month in Puerto Madryn, when the sea averages about 24°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Puerto Madryn?
The coldest month in Puerto Madryn is typically August, when the water averages around 12°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Puerto Madryn without a wetsuit?
The main swimming season in Puerto Madryn runs from December – March — about 4 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 Puerto Madryn?
Outside peak summer the water in Puerto Madryn drops toward 14°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 Puerto Madryn?
The long-term annual mean sea temperature in Puerto Madryn is about 18°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Puerto Madryn?
The live reading at the top of this page shows the current sea temperature in Puerto Madryn, 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 – Dec
| Month | Sea | Comfort |
|---|---|---|
| Jan ⭐ | 24°C | Warm |
| Feb | 24°C | Warm |
| Mar | 22°C | Warm |
| Apr | 19°C | Pleasant |
| May | 16°C | Bracing |
| Jun | 14°C | Bracing |
| Jul | 13°C | Cold |
| Aug | 12°C | Cold |
| Sep | 13°C | Cold |
| Oct | 15°C | Bracing |
| Nov | 18°C | Pleasant |
| Dec | 21°C | Pleasant |
Nearby beaches
The closest coastline, with live water temperatures.