Playa de Arenillas Surf Break

Lat Long: 43.41° N 3.31° W

Playa de Arenillas Surf Forecast and Surf Report

Issued: 1 pm 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Playa de Arenillas sea temperature is
23.6° C
3.0° 

Playa de Arenillas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Playa de Arenillas surf forecast from 21 Jul 2026:

  • Best quality surf: Monday 27 Jul, 8AM (local time) - 4.5ft (1.3m), 11s period, NNW swell with glassy winds.
  • Most powerful swell: Saturday 25 Jul, 11AM (local time) - 7ft (2.2m), 7s period, WNW swell with 411 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 21 Jul, 11PM (local time) - 4ft (1.2m), 7s period with N 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 (Jul 21) at 11PM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.2m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Playa de Arenillas in the next 16 days are 2.2m 7s and forecast to arrive on Saturday (Jul 25) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Friday (Jul 24) at 8PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 21st Jul)4ft (1.2m) 7s
Best Surf 8AM (Mon 27th Jul)4.5ft (1.3m) 11s
Most Powerful11AM (Sat 25th Jul)7ft (2.2m) 7s

Table - best surf conditions forecast for Playa de Arenillas over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 26°C on Thu afternoon, min 19°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Sat afternoon. Warm (max 24°C on Fri afternoon, min 18°C on Sun night). Winds decreasing (fresh winds from the W on Sat morning, calm by Mon morning).

Tue
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
1
2
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
NNE
7
1.1
N
6
0.8
N
6
1
NNE
6
1
N
6
0.8
NNE
6
0.6
NNW
6
0.8
NNW
6
0.6
NNE
6
0.5
NNW
6
1.4
WNW
6
2.2
WNW
7
1.8
NW
6
1.7
NNW
7
1
N
7
1.3
NNW
7
1.1
NW
7
1.3
NNW
10
1.3
NNW
10
1.3
NNW
9
Wave Graph
Metric surfscale
Energy kJ
161
97
49
80
73
37
30
44
21
19
145
411
255
254
94
138
106
340
290
272
Wind (km/h)
10
NE
5
SW
10
ENE
15
NE
10
WSW
5
NW
10
NNW
10
WSW
15
WNW
25
WNW
25
W
35
W
35
WNW
25
WNW
15
W
15
NW
10
SW
5
NNE
20
ENE
10
E
Wind State
on
off
cross-on
on
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
off
glassy
on
cross-on
High Tide
10:55PM2.96m
11:28AM2.81m
11:58PM2.74m
12:35PM2.72m
1:12AM2.64m
1:48PM2.73m
2:25AM2.67m
2:52PM2.83m
3:24AM2.78m
3:43PM3.00m
4:10AM2.94m
4:26PM3.18m
4:49AM3.09m
Low Tide
4:33PM0.94m
5:06AM1.01m
5:34PM1.13m
6:07AM1.19m
6:45PM1.23m
7:15AM1.26m
7:57PM1.22m
8:21AM1.22m
8:59PM1.10m
9:17AM1.09m
9:49PM0.94m
10:03AM0.92m
10:32PM0.76m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
part cloud
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:52
6:54
6:54
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:46
9:45
9:45
9:44
9:43
9:42
9:40
 mm
4
1
Temp °C
23
23
23
25
24
25
26
25
23
24
23
21
22
21
21
23
22
22
24
22
Feels °C
21
22
22
23
24
25
26
26
23
23
20
16
18
18
19
21
21
23
24
23
  • 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 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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