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Best Time of Year to Surf in Portugal — and Where to Go in Each Season
September and October are the best months to surf in Portugal. They are the only window that lines up returning North Atlantic groundswell with the warmest water of the year at around 20°C, light morning winds, and beaches that have emptied out. Winter gives you bigger and more frequent surf, but charges you a 4/3mm, nine hours of daylight and a lot of storm-blown days. Here is the full year, season by season, and where to go in each.
Which month is actually best?
October, if you want one answer. It is the first month with dependable groundswell after the summer, the water is still around 19°C, mornings are frequently offshore, and the crowds have gone home.
September runs it close and wins on water temperature, which peaks at 20–21°C. The choice between the two comes down to whether you would rather have slightly warmer water or slightly more swell. Either one beats every other month in the year on the balance of size, wind, temperature and crowds.
Booking a single week? Take the second half of October.
Autumn — September to November
The season everything lines up.
The North Atlantic storm track wakes up again while the ocean is still holding on to summer. Sea temperature runs about a month behind the air, so the warmest water of the Portuguese year shows up in September — exactly when the first proper groundswells do.
Expect 1–2 m at 9–14 seconds in September, building to 1.8–3 m at 12–16 seconds by November. The nortada falls apart through September, so you get clean conditions all day rather than a two-hour window at dawn.
Where to go
- Ericeira, for the reefs. The World Surfing Reserve needs consistent northwest groundswell to show what it can do, and October is when that starts arriving weekly instead of monthly.
- Peniche and the Zona Oeste, for options. Two coastlines within a few kilometres means something is sheltered whichever way the wind turns.
- Costa Norte, if you want it empty. Consistent, exposed, and far less travelled than the Lisbon–Ericeira corridor.
Wetsuit: 3/2mm through to early November, then 4/3mm.
What to ride: this is when a performance shortboard earns its keep. Long-period swell with real push behind it is exactly what those boards were drawn for.
Winter — December to February
The season Portugal is famous for, and the one that asks the most of you.
This is the most powerful and most frequent swell of the year: northwest groundswell typically 2–3.5 m at 13–17 seconds. It is the only season the very biggest days happen, and the only one where the coast produces what it is known for internationally.
What it costs: water down to 14–16°C, daylight down to about nine hours, and a serious share of days simply too big and too windy for most breaks. December racks up more unrideable days than any other month.
Where to go
- Nazaré, to watch. The Nazaré Canyon funnels swell onto Praia do Norte and produces the largest rideable waves on earth. Big-wave season runs roughly November to March.
- Peniche, for size that still has shape. Supertubos handles serious swell better than an open beach break, and the peninsula gives you a sheltered side when the wind turns.
- The Algarve, when the west coast shuts down. A 4 m northwest swell that closes out the entire west coast can be a clean, manageable day on the Barlavento.
- Sheltered corners in general. Baleal, São Pedro de Moel and the Lisbon bay all hold rideable size when the exposed beaches are unsurfable.
Wetsuit: 4/3mm, plus boots on the worst February days. Gloves if you are surfing the north.
What to ride: a step-up. Longer, narrower and thicker through the middle than your everyday board, for more hold on the drop and more control at speed.
The winter trick: watch for the high-pressure gaps between fronts. When a ridge parks over Iberia after a storm has gone through, you get long-period groundswell with offshore wind — and those are the best days Portugal produces all year.
Spring — March to May
The most underrated season, and the one people pack wrong for.
March still carries winter energy at 1.5–3 m and 12–16 seconds, but the fronts start spacing out and the clean windows get longer. The crowds have not arrived and the prices have not moved.
The catch is the water. Because sea temperature lags the air by a month, March is usually the coldest water of the Portuguese year at around 15°C, no matter how pleasant the afternoon feels. Pack for the sea.
Swell eases through the season, from roughly 3 m in early March to 1.5 m by late May. The nortada arrives in May, and that is the practical end of all-day clean conditions until autumn.
Where to go
- Ericeira and the Zona Oeste in March and April, while the groundswell is still coming.
- Costa Vicentina from May onwards, once the north wind starts. That southwest-facing coast holds shape in wind that ruins everything above it.
Wetsuit: 4/3mm in March, 3/2mm from April.
What to ride: shortboard through March and April. By May, start thinking about litres.
Summer — June to August
The hardest season, and entirely workable if you get up early.
The North Atlantic storm track retreats towards Iceland, so the groundswell source is simply gone. What is left is short-period wind swell that the nortada generates itself, usually 0.6–1.5 m at 7–12 seconds. July is the smallest and windiest month of the Portuguese year.
One rule: surf before 10am. The nortada is a thermal wind, driven by the land heating up. The coast is frequently glass at dawn and 30–40 km/h onshore by mid-afternoon. A summer surf trip built around lie-ins is a summer surf trip wasted.
Where to go
- The Algarve. The south coast sits out of the nortada's firing line and can be offshore while the west coast is destroyed. August also brings the odd south or southwest swell off Atlantic hurricane systems — the one stretch of the year the Algarve outperforms the west.
- The Lisbon bay. Carcavelos and the Cascais line face south, so a north wind is offshore rather than ruinous.
- Peniche's south side. Same principle, different coast.
- Costa Vicentina. More swell exposure than Lisbon, and enough southwest angle to keep its shape.
Wetsuit: 3/2mm in June, 2mm or a spring suit in July and August. Be ready for upwelling to take several degrees off the water with no warning.
What to ride: groveller, fish and mid-length season. Add roughly 10% to your usual volume — the wave gives you nothing, so the board has to make the speed.
Where do I surf on this wind?
Wind direction settles more Portuguese sessions than swell size does. The coast changes orientation enough that there is nearly always somewhere offshore.
| Wind | Where it works |
|---|---|
| North / northeast | Lisbon bay, Peniche south side, the Algarve |
| East | Almost the whole west coast — the classic offshore day |
| Southeast | West coast, and Sotavento in the eastern Algarve |
| South / southwest | North-facing corners, Peniche north side, Baleal |
| West | Nowhere is offshore. Look for a sheltered bay instead |
When should I not come?
July and early August, if the trip is specifically about surfing. Swell is at its annual low, wind at its annual peak, beaches at their fullest. A brilliant time to visit Portugal. A poor time to book a surf trip.
Mid-December to mid-January, if you are still improving. The size and frequency go past what most surfers can use, the days are short, and the share of unrideable mornings is the highest of the year.
What about the Azores and Madeira?
Both run on a different calendar from the mainland, which makes them useful exactly when Portugal is not working.
The Azores face north and collect swell that never reaches the mainland at all. Season runs roughly October to March, and the water holds between 17°C and 22°C year-round — warmer in winter than the mainland, despite sitting much further out. Summer is the flip side: the Azores High parks directly overhead and the islands go quiet.
Madeira faces southwest and runs on the same North Atlantic winter groundswell as the mainland, but wants real size before its points start working. Water sits between 19°C and 23°C, the warmest in Portuguese territory.
Shipping a board rather than flying with one? We deliver to both: surfboards in the Azores and surfboards in Madeira.
Frequently asked questions
Question: What is the best month to surf in Portugal? Answer: October. Returning northwest groundswell of 1.5–2.5 m at 11–15 seconds, water still around 19°C, frequent offshore mornings and no crowds. September is a close second with warmer water.
Question: Can beginners surf in Portugal in winter? Answer: Only at sheltered spots, and carefully. Winter swell averages 2–3.5 m and the water drops to 14–16°C. Late spring or early autumn is a far better bet, with manageable size and a 3/2mm.
Question: Is the Algarve good for surfing in summer? Answer: Better than the west coast. The south coast escapes the nortada, and August occasionally picks up south or southwest swell from Atlantic hurricane systems. It is the one season the Algarve comes out on top.
Question: What wetsuit do I need in Portugal? Answer: 4/3mm from November to March, 3/2mm in April, May, September and October, 2mm or a spring suit in July and August. Add boots for February in the north.
Question: When is the water coldest in Portugal? Answer: February and March, around 14–15°C. Sea temperature runs about a month behind the air, so the coldest water turns up after the coldest weather has already gone.
Get the season right, then get the board right
The season decides where you go. The day decides what you ride — and the gap between a February step-up and a July groveller is far wider than most surfers plan for.
Surfmelier reads live conditions across nine Portuguese regions, scores every one of them, and works out the board type and volume range that suits you today from your weight, age, ability and how often you actually get in the water. Free, no account.
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