Siouville Surf Break

Lat Long: 49.56° N 1.86° W

Siouville 48 hour detailed Surf Forecast

Issued: 7 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Siouville sea temperature is
19.2° C
1.8° 

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


How big are the waves at Siouville today (21 Aug):

  • Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.7m), 9s period with W swell.
  • Evening surf: Evening surf (21 Aug, local time) - 2ft (0.6m), 8s period with W swell.

The current surf forecast for Siouville at 11PM is: 0.6m 8s primary swell from a West direction and 0.2m 2s secondary swell from a North-northwest direction (forecast issued at 07:00pm August 21). An open ocean swell of 0.1m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (21 Aug)--
Afternoon (21 Aug)2.5ft (0.7m)9s
Evening (21 Aug)2ft (0.6m)8s

Table - waves today at Siouville. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 21°C on Mon afternoon, min 17°C on Fri night). Winds increasing (light winds from the NNE on Fri night, strong winds from the E by Mon afternoon).

Fri
21
Saturday
22
Sunday
23
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
W
9
0.6
W
9
0.6
W
8
0.6
W
8
0.4
W
8
0.5
WNW
6
0.3
W
8
0.4
W
8
0.4
W
10
0.3
W
9
0.3
W
9
0.3
W
9
0.3
W
9
0.3
W
9
0.2
W
9
0.2
W
9
0.2
W
9
0.2
W
9
0.2
W
12
Wave Graph
Metric surfscale
Energy kJ
57
54
49
49
21
17
11
21
28
15
14
14
14
14
6
6
6
6
11
Wind (km/h)
15
NNW
15
NW
15
NNW
10
NNW
5
NNE
10
NE
20
ENE
20
NE
20
NE
20
NE
20
ENE
20
ENE
20
E
20
E
30
E
30
E
30
ENE
25
ENE
30
ENE
Wind State
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
off
off
off
cross-off
off
High Tide
3:24PM3.22m
4:10AM3.01m
5:01PM3.09m
5:57AM2.99m
6:33PM3.21m
Low Tide
10:00PM1.81m
10:34AM1.92m
11:52PM1.89m
12:33PM1.90m
rain showers
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:14
9:12
9:09
 mm
1
Temp °C
17
17
17
17
17
17
17
19
19
18
17
18
17
17
18
19
20
19
18
Feels °C
14
14
14
15
16
16
13
15
14
14
13
15
13
14
12
13
14
14
12
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Siouville 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.


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