Playa de Arenillas surfForecast / Cantabria / Spain

information circle12 Day Weather and Surf, issued 6 pm Monday 22 Dec 2025 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
14.8° C
(Which is 1.2°C warmer than 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 Monday (Dec 22) at 10PM. The primary swell is predicted to be 3.5m and 14s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Playa de Arenillas in the next 12 days are 3.5m 14s and forecast to arrive on Monday (Dec 22) at 10PM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+)10PM (Mon 22nd Dec)11ft (3.5m) 14s
Best Surf10PM (Mon 22nd Dec)11ft (3.5m) 14s
Most Powerful10PM (Mon 22nd Dec)11ft (3.5m) 14s

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 Moderate rain (total 18mm), heaviest on Mon night. Very mild (max 11°C on Mon afternoon, min 5°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 12°C on Sat afternoon, min 4°C on Thu night). Wind will be generally light.

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
3
!
3
3
2
1
0
0
3
2
0
0
0
1
0
0
1
0
0
0
2
Swell
Height Map
Wave Height (m) & direction (?)
3
NW
3.5
NW
2.5
NW
2.1
NW
1.6
NW
1.1
NW
1.7
NW
1.3
NW
1.2
NW
1.1
NW
0.9
NW
0.7
NW
0.5
NW
1.2
NE
1
NE
0.9
NNE
0.9
NNE
1.3
NNE
1.5
N
1.8
NNE
2.2
NNE
Period(s) (?)1514131211141312141312121166667888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)388342072008127265044796145553238820513760116685966181272406612
Wind
(km/h)
20
W
25
W
15
WSW
15
WNW
5
NNE
15
N
20
N
20
NNE
5
N
5
ESE
10
SE
10
SE
15
E
5
SSE
15
ESE
15
E
5
S
10
N
15
NNW
15
N
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
oncross-
on
cross-
on
cross-
on
glassglasscrosscrosscross-
on
cross-
off
cross-
on
cross-
on
glasscross-
on
cross-
on
cross-
on
glass
High Tide
/ height (m)
5:58PM
3.24
6:13AM
3.48
6:34PM
3.19
6:50AM
3.44
7:13PM
3.12
7:29AM
3.37
7:56PM
3.04
8:13AM
3.28
8:44PM
2.97
9:03AM
3.19
9:42PM
2.92
10:04AM
3.11
10:47PM
2.93
11:14AM
3.09
Low Tide
/ height (m)
11:58PM
0.58
12:27PM
0.53
12:34AM
0.62
1:05PM
0.58
1:13AM
0.69
1:46PM
0.64
1:56AM
0.78
2:33PM
0.70
2:45AM
0.87
3:26PM
0.77
3:44AM
0.95
4:28PM
0.81
4:53AM
0.96
Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Sunrise--8:42--8:42--8:44--8:44--8:44--8:45--8:45
Sunset5:39--5:39--5:40--5:42--5:42--5:43--5:44--
light rain
rain showers
cloud
light rain
light rain
rain showers
cloud
light rain
rain showers
clear
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
Rain (mm)
15-341-31------------
Temp. °C1191010111198675788111211101097
Feels °C (?)6567985344134578108654
  • Map Icons:
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  • 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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