Playa de Arenillas surfForecast / Cantabria / Spain

information circle12 Day Weather and Surf, issued 12 am Tuesday 17 Feb 2026 CET
Forecast update in hr  min  s Forecast update imminent
Playa de Arenillas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Playa de Arenillas sea temperature is
12.5° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Playa de Arenillas this week:

The surf forecast for Playa de Arenillas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Feb 17) at 7AM. The primary swell is predicted to be 3.5m and 14s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Playa de Arenillas in the next 12 days are 6.0m 13s and forecast to arrive on Thursday (Feb 19) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Wednesday (Feb 18) at 4PM.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Tue 17th Feb)11ft (3.5m) 14s
Best Surf 7AM (Tue 17th Feb)11ft (3.5m) 14s
Most Powerful 1AM (Thu 19th Feb)20ft (6.0m) 13s

Table - best surf conditions forecast for Playa de Arenillas over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 25mm), heaviest during Mon night. Very mild (max 16°C on Wed afternoon, min 8°C on Wed night). Winds increasing (calm on Mon night, near gales from the W by Wed afternoon).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Thu night. Very mild (max 17°C on Sun morning, min 8°C on Fri night). Wind will be generally light.

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Mon
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
3
4
4
4
4
2
0
!
!
!
4
3
3
3
2
4
3
3
3
3
2
Swell
Height Map
Wave Height (m) & direction (?)
3
NW
3
NW
3
NW
2.5
NW
2.2
NW
2.1
NW
6
NW
5.5
NW
5
NW
4
NNW
3
NNW
2.5
NNW
1.8
NNW
1.9
NW
1.4
NW
2
NW
1.6
NW
1.5
NW
1.5
NW
1.6
NW
1.9
NW
Period(s) (?)141413131212131212131312121218161514131715
Wave
Graph
(?)Metric surfscale
Energy kJ (?)389836272800203913471234112808512730658663344180390599011362027123289975514201568
Wind
(km/h)
15
WNW
5
SSE
5
WNW
10
S
15
S
25
SW
50
W
40
W
40
WNW
25
WNW
10
SW
5
NNE
10
SSE
5
SE
15
E
10
S
5
SSW
5
NNE
5
SW
5
SE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glasscross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
offcross-
on
cross-
off
crosscross-
on
cross-
off
cross-
off
glassoffcrosscross-
on
High Tide
/ height (m)
4:28AM
3.70
4:48PM
3.53
5:00AM
3.86
5:20PM
3.65
5:33AM
3.95
5:53PM
3.71
6:07AM
3.96
6:28PM
3.69
6:44AM
3.86
7:05PM
3.60
7:23AM
3.68
7:46PM
3.44
8:08AM
3.41
Low Tide
/ height (m)
10:12PM
0.42
10:37AM
0.23
10:45PM
0.24
11:10AM
0.08
11:18PM
0.13
11:43AM
-0.00
11:53PM
0.08
12:18PM
0.01
12:29AM
0.13
12:54PM
0.13
1:08AM
0.25
1:34PM
0.33
1:53AM
0.46
2:20PM
0.60
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Mon
23
Sunrise-8:08--8:07--8:06--8:03--8:03--8:00--8:00-
Sunset--6:45--6:46--6:47--6:49--6:51--6:52--6:52
heavy rain
light rain
rain showers
part cloud
clear
rain showers
rain showers
rain showers
rain showers
rain showers
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
1331--13222-----------
Temp. °C1213141315161091010121291415131717131517
Feels °C (?)812131111100014101071011111515111314
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 12 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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