San Sebastián
Spain · Atlantic Europe
Right now
OvercastWind and swell direction
Swell: 0.2m NW
Wind: 3 km/h NNE (onshore)
Beach faces: N
Very light wind. Expect glassy, clean conditions.
Swell direction is a decent angle for this beach.
Today hour by hour
Updated 08:55Expected crowds
Prediction model v17amMidweek quiet
Next 7 days
Forecast via Open-MeteoWhat to pack
- 3/2mm wetsuit or spring suit for 18°C water.
- Small waves expected. Longboard or fish to make the most of it.
- Rain jacket for between sessions.
Forecast accuracy at San Sebastián
Not enough data yet. Log a session to help build the accuracy score.
Best time to go
quiet evening session, conditions building through the session
quiet evening session
quiet evening session
Crowd report
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Session journal
Record your session, conditions and gear.
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Create free accountTide
Approximate modelSwell forecast
7-day forecastDaily score breakdown
This week is looking above average for late April.
Comparing the 7-day forecast to the last 5 years of marine data for the same week at San Sebastián.
What's driving it
Recent form
Last 4 days of logged conditions.
Best time to visit San Sebastián
Combining historical conditions with school holiday crowd pressure to find the sweet spot.
Key insights
- The best week for surf at San Sebastián is the week of 4 May (score 3/5) with low crowds.
- Avoid the week of 13 July if you can due to Vacaciones de verano and Vacances d'ete.
Best time to visit
Crowd calendar
How busy each week is based on school holiday overlap from feeder markets.
School holidays affecting this destination
How are these scores calculated?
The timing score combines two signals: historical conditions quality (how good the skiing or surfing typically is in a given week, based on 5 years of weather data) and crowd pressure (how many of this destination's feeder markets have school holidays that week).
Crowd pressure is weighted by each feeder country's share of visitors. If 40% of a resort's visitors come from France and France is on holiday, that contributes 0.40 to the crowd pressure score. Crowds can reduce the timing score by up to 35%, ensuring conditions still matter most.
Scores: 5 = great conditions with low crowds (the sweet spot). 4 = great conditions with moderate crowds, or good conditions with low crowds. 3 = average. 2 = below average conditions or very crowded. 1 = poor conditions or peak holiday chaos.
About San Sebastián
One of Europe's most beautiful cities, offering excellent beach breaks at Zurriola alongside Michelin-starred pintxos culture. Seasonal work in hospitality and surf instruction benefits from the city's thriving tourism industry.
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Create Profile →Frequently asked questions
How often is this page updated?
Current conditions refresh every 6 hours when the cron runs. Hourly data updates every 30 minutes. The 7-day forecast, luck factor, and packing notes are all pre-computed at the same time.
What is the luck factor?
We compare the 7-day forecast to the last 5 years of marine data for the same week at San Sebastián. The delta tells you whether conditions are shaping up better, worse, or about the same as a typical late April.
How is 'best session' picked?
We score each day of the 7-day forecast using the same algorithm as the leaderboard, and highlight the highest scorer.
Where does the data come from?
Open-Meteo's Marine API (swell height, period, water temperature) and Weather API (wind and conditions).
Does the score capture local knowledge?
Honestly, no. Every break has tide windows, swell directions and reef contours that a global model cannot see. Treat the score as a starting point, then check a local cam.
When is the best time to surf San Sebastián?
The best week for surf at San Sebastián is the week of 4 May (score 3/5) with low crowds.