Sea Temperature in Madeira: When to Swim and Where to Get in the Water
The sea in Madeira never gets uninviting. In the coldest months, the water sits around 17-18°C; in summer it rises to 23-24°C. The best months for swimming without a second thought are July, August and September, when the Atlantic is at its warmest. The issue isn't the temperature: it's that Madeira has very few sandy beaches. Here's where to get in the water and when it's worth it.
Sea temperature in Madeira by month
| Month | Sea temperature | Suitable for swimming? |
|---|---|---|
| January | 18°C | Cool. Possible with a wetsuit |
| February | 17–18°C | Cool |
| March | 18°C | Cool |
| April | 18–19°C | Starting to improve |
| May | 19–20°C | Pleasant for many |
| June | 21°C | Good |
| July | 22–23°C | Very good |
| August | 23–24°C | Excellent |
| September | 23–24°C | The best month |
| October | 22–23°C | Very good |
| November | 21°C | Pleasant |
| December | 19–20°C | Cool |
The fact that surprises visitors most is that even in the depths of winter the sea doesn't drop below 17°C. The North Atlantic current acts as a thermal regulator, keeping the island within a very stable temperature range all year round.
Where to swim in Madeira: the best spots
Madeira isn't El Hierro or Lanzarote. The island's coastline is mostly cliffs and volcanic rock. Sandy beaches are the exception, not the rule. But what it lacks in sand it makes up for with volcanic natural pools that have no equivalent on any other Atlantic island.
Porto Moniz Natural Pools
The island's most famous and photogenic. Black basalt rock pools at Madeira's northwestern tip, where the Atlantic Ocean enters and gets trapped, forming natural lagoons of calm, clean water.
- ✓Entry: ~€1.50-2 per person (municipal pools). The outer rock pools are free.
- ✓Ideal season: June to September
- ✓How to get there: a car is essential. 80 km from Funchal, about 75 minutes through the interior of the island.
Without a car, this visit is practically unviable.
Seixal Pools
10 km east of Porto Moniz, on the north coast. Similar in formation and water quality, but with far fewer tourists. If Porto Moniz feels too busy in high season, Seixal is the smart alternative.
- ✓Entry: free or minimal fee depending on season
- ✓How to get there: by car. The coastal ER101 in the north passes right by it.
Prainha
Madeira's only natural black volcanic sand beach. It's at the eastern tip of the island, near Caniçal. It's small — don't expect kilometres of coastline — but its authenticity makes it a special spot for travellers who prefer to get away from the crowds.
- ✓Entry: free
- ✓How to get there: by car. About 35 km east of Funchal.
Piscinas do Lido (Funchal)
The most accessible bathing complex on the whole island. It's on Funchal's west coast, with direct sea access, showers, changing rooms and facilities. The best option if you're staying in the capital and don't want to move the car.
- ✓Entry: ~€3 per person
- ✓How to get there: on foot or by taxi from central Funchal.
Doca do Cavacas
Natural pools on Funchal's coast, between the Lido and Câmara de Lobos. Quieter than the Lido complex, with a more local atmosphere. Water enters directly from the sea and the area is less crowded.
- ✓Entry: ~€2 per person
- ✓How to get there: taxi or car from Funchal, about 10 minutes.
Calheta
At the southwestern tip of the island, Calheta has Madeira's only golden sand beach. It's artificial — the sand was imported — but very well maintained and in summer is the island's most popular beach.
- ✓Entry: free
- ✓How to get there: by car. 45 km from Funchal, about 50 minutes.
Madeira vs the Canary Islands for swimming: an honest comparison
It's fair to make this comparison, since many travellers choose between one and the other.
In summer, the sea temperature is practically the same: the Canaries sit around 22-24°C between July and September, and so does Madeira. On that front, it's a tie.
The real difference is in the amount of sandy beach. The Canaries — especially Gran Canaria, Fuerteventura or Lanzarote — have kilometres of fine sand beach. Madeira has a handful of beaches, and two of them are small.
What Madeira offers in exchange are the volcanic natural pools, which don't exist in the Canaries at the same scale or concentration. If lying on sand for hours is your thing, the Canaries win. If you prefer a more active swim, in rock and open-sea settings, Madeira is unique.
What to bring for swimming in Madeira
Madeira's sea has particularities worth knowing before getting in the water:
- ✓Water shoes. The bottom of the natural pools and sea access areas is volcanic rock. Swimming barefoot hurts. Neoprene socks or water shoes are essential.
- ✓High-protection sunscreen. Madeira sits at around latitude 33°N. UV radiation is intense even under cloud cover, and clouds filter little of it. Use SPF 50, no excuses.
- ✓Diving mask or snorkel. Madeira's waters have exceptional visibility. You don't need to be a diver to enjoy it: with simple snorkel gear you'll see volcanic seabeds, fish and, at some spots, even turtles.
- ✓Microfibre towel. More practical than a regular towel if you're moving by car between several spots in the same day.
The problem with going without a car
Let's be blunt: Madeira's best natural pools require a car.
Porto Moniz and Seixal are on the north coast, and public transport from Funchal is sparse and slow — the bus journey can exceed two hours each way. Prainha beach, in the east, doesn't have a comfortable direct connection either.
Funchal does have options accessible on foot or by taxi: Piscinas do Lido and Doca do Cavacas. If you don't rent a car, those will be your only swimming options, and they're good — but you'll miss the island's most spectacular spots.
With a rental car you can organise a full day in the north: leave in the morning for Porto Moniz, stop at Seixal on the way back, and return to Funchal along the coastal road before nightfall. That's what makes the difference between seeing Madeira and really making the most of it.
Book your car before arriving at Funchal Car Hire and organise the beach day you want, at your own pace, without depending on schedules.
Frequently asked questions about the sea in Madeira
When is the sea warmest in Madeira?
The sea reaches its maximum temperature in August and September, between 23 and 24°C. July is also excellent, with water at 22-23°C. If the trip's main goal is swimming, these three months are the ideal window.
Are there sandy beaches in Madeira?
Very few. Prainha's black volcanic sand beach (east of the island) and Calheta's artificial golden sand beach (west) are the most notable. The rest of the coastline is volcanic rock, cliffs or natural pools. Madeira isn't a beach destination in the Canary Islands sense — but its natural pools are a first-class alternative.
Are the Porto Moniz natural pools free?
The outer rock pools, yes, they're free and open access. The maintained municipal pools (with changing rooms, showers and a café) have an entry fee of approximately €1.50-2 per person. It's one of the lowest prices for a bathing facility of this level in Europe.
Can you dive in Madeira?
Yes, and with very good conditions. Madeira has several diving schools and dive sites with good visibility and interesting marine life, including rays, groupers and occasionally turtles. Surface snorkelling is also rewarding at Porto Moniz and the coves in the east of the island. No certification is needed for snorkelling, but it is for scuba diving.