Siouville Surf Break

Lat Long: 49.56° N 1.86° W

Siouville 48 hour detailed Surf Forecast

Issued: 1 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siouville sea temperature is
18.8°C
2.1° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 3.5ft (1.0m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 3ft (0.9m), 10s period with WNW swell.
  • Evening surf: Evening surf (13 Sep, local time) - 3ft (0.9m), 10s period with W swell.

The current surf forecast for Siouville at 10PM is: 0.9m 10s primary swell from a West direction (forecast issued at 01:00pm September 13). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (13 Sep)3.5ft (1.0m)10s
Afternoon (13 Sep)3ft (0.9m)10s
Evening (13 Sep)3ft (0.9m)10s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon afternoon, min 16°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the WNW by Tue afternoon).

Sun
13
Monday
14
Tuesday
15
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
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
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
1
W
10
0.9
WNW
10
0.9
WNW
10
0.9
W
10
0.8
W
10
0.8
W
10
0.8
W
10
0.7
W
10
0.7
W
9
0.7
W
9
0.6
W
9
0.6
W
9
0.6
W
9
0.6
W
9
0.6
W
8
0.5
W
8
0.7
W
8
1
W
4
1.2
WNW
5
1.4
WNW
6
1.3
WNW
6
Wave Graph
Metric surfscale
Energy kJ
194
177
173
158
125
122
122
92
87
81
57
57
56
55
51
34
66
36
66
110
113
Wind (km/h)
20
WSW
20
WSW
20
W
15
W
15
W
10
W
10
WSW
10
WSW
15
WSW
15
SW
10
WSW
5
WNW
5
W
5
SSW
10
SW
15
W
20
WSW
30
WNW
30
WNW
30
WNW
30
NW
Wind State
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
on
glassy
glassy
cross-on
cross-on
on
on
cross-on
on
cross-on
cross-on
High Tide
10:41AM4.77m
10:54PM4.85m
11:13AM4.69m
11:28PM4.65m
11:45AM4.50m
Low Tide
5:18PM0.08m
5:36AM0.03m
5:51PM0.24m
6:07AM0.32m
6:23PM0.50m
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:41
7:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:23
8:22
 mm
Temp °C
17
18
18
18
18
18
18
18
18
19
19
19
19
19
18
18
18
17
17
17
17
Feels °C
14
16
16
17
17
18
18
18
17
18
19
20
20
19
18
17
15
13
11
12
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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