Surf Forecasts:
Playa de Arenillas surf forecast from 20 Oct 2026:
- Best quality surf: Wednesday 21 Oct, 2PM (local time) - 11ft (3.5m), 11s period, NW swell with cross-offshore winds.
- Most powerful swell: Friday 23 Oct, 2PM (local time) - 20ft (6.0m), 15s period, NW swell with 16,131 kJ wave energy.
- Next surfable swell (1★+): Tuesday 20 Oct, 8PM (local time) - 4.5ft (1.4m), 13s period with NW swell.
Best Forecast Surf Conditions for Playa de Arenillas this week:
The surf forecast for Playa de Arenillas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 20) at 8PM. The primary swell is predicted to be 1.4m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Playa de Arenillas in the next 16 days are 6.0m 15s and forecast to arrive on Friday (Oct 23) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Wednesday (Oct 21) at 5AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Tue 20th Oct) | 4.5ft (1.4m) 13s |
| Best Surf | 2PM (Wed 21st Oct) | 11ft (3.5m) 11s |
| Most Powerful | 2PM (Fri 23rd Oct) | 20ft (6.0m) 15s |
Table - best surf conditions forecast for Playa de Arenillas over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Wed morning. Very mild (max 19°C on Thu afternoon, min 12°C on Thu morning). Winds increasing (calm on Thu afternoon, fresh winds from the W by Fri morning). | Days 5-7 Weather SummaryModerate rain (total 12mm), heaviest on Sun night. Warm (max 20°C on Sun afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the WNW on Fri afternoon, calm by Sun night). | |||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NW 14 | NW 13 | NW 9 | NW 12 | NNW 12 | NNW 12 | NNW 12 | NW 12 | NW 14 | NW 15 | NW 13 | NW 12 | NNW 11 | NNW 14 | NW 13 | NNW 12 | NW 11 | NW 12 | NW 13 | NW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 595 | 543 | 1575 | 3233 | 3340 | 2129 | 1857 | 1859 | 12858 | 10967 | 5212 | 2875 | 2594 | 3037 | 2242 | 2686 | 2827 | 1839 | 1975 | 1082 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-on | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-on | glassy |
High Tide | 1:43AM2.60m | 1:59PM2.88m | 2:32AM2.85m | 2:44PM3.12m | 3:12AM3.12m | 3:23PM3.38m | 3:47AM3.38m | 4:00PM3.62m | 4:23AM3.62m | 4:38PM3.80m | 4:59AM3.80m | 5:17PM3.90m | ||||||||
Low Tide | 7:23PM1.22m | 7:39AM1.24m | 8:15PM0.97m | 8:29AM0.99m | 8:57PM0.70m | 9:10AM0.72m | 9:34PM0.44m | 9:47AM0.46m | 10:09PM0.21m | 10:25AM0.23m | 10:46PM0.06m | 11:03AM0.06m | 11:23PM-0.01m | |||||||
 |  |  |  |  |  | |  | | | | | | | | |  | | |  | |
 | — | — | 8:33 | — | — | 8:33 | — | — | 8:36 | — | — | 8:37 | — | — | 7:37 | — | — | 8:40 | — | — |
 | 7:22 | — | — | 7:21 | — | — | 7:19 | — | — | 7:17 | — | — | 7:15 | — | — | 6:15 | — | — | 7:13 | — |
mm | — | 2 | 7 | — | — | — | — | 1 | — | — | 4 | 2 | — | — | — | — | 6 | — | — | — |
Temp °C | 16 | 14 | 14 | 16 | 14 | 14 | 19 | 17 | 15 | 16 | 15 | 14 | 16 | 15 | 17 | 20 | 16 | 17 | 20 | 19 |
Feels °C | 13 | 11 | 8 | 11 | 10 | 12 | 17 | 14 | 8 | 9 | 10 | 10 | 12 | 13 | 13 | 17 | 13 | 18 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 13 | NW 14 | NW 12 | NNW 12 | NNW 12 | NNW 12 | NW 12 | NW 14 | — | NW 13 | NW 12 | NNW 11 | NNW 14 | NW 13 | NNW 12 | NW 11 | NW 12 | NW 13 | NW 12 |
| kJ | 595 | 543 | 224 | 3233 | 3340 | 2129 | 1857 | 1859 | 12858 | — | 5212 | 2875 | 2594 | 3037 | 2242 | 2686 | 2827 | 1839 | 1975 | 1082 |
Swell 2 Height (m) Direction Period (s) | NW 5 | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | NNW 13 | — | N 12 | — | — | N 13 |
| kJ | 7 | 19 | — | — | — | — | — | — | — | — | — | — | — | — | 659 | — | 72 | — | — | 31 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NW 9 | — | — | — | — | — | — | NW 15 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1575 | — | — | — | — | — | — | 10967 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 228 | 11 | 1 | 0 | 17 | 0 | 469 | 502 | 11 | 11 | 11 | 0 | 0 | 0 | 11 | 0 | 17 | 0 |
Best forecast wave conditions in Spain - Cantabria | ||||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Playa de Arenillas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Playa de Arenillas Surf forecast
The above surf forecast table for Playa de Arenillas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Playa de Arenillas can be found by selecting the local surf guide option on the grey menu. Our Playa de Arenillas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Playa de Arenillas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Playa de Arenillas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Playa de Arenillas is 8 km (5 miles) from Castro-Urdiales. If you plan a holiday in Spain - Cantabria, look for hotels and other accommodation in Castro-Urdiales. Castro-Urdiales has rooms for a wide range of budgets as well as car hire and transport links.
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