Siouville Surf Break

Lat Long: 49.56° N 1.86° W

Siouville 48 hour detailed Surf Forecast

Issued: 1 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Siouville sea temperature is
19.4° C
2.0° 

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 (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 1.5ft (0.5m), 5s period with WNW swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 2ft (0.6m), 3s period with W swell.
  • Evening surf: Evening surf (17 Aug, local time) - 3.5ft (1.0m), 5s period with W swell.

The current surf forecast for Siouville at 6AM is: 0.3m 5s primary swell from a West direction and 0.2m 7s secondary swell from a West direction, 0.2m 2s secondary swell from a North-northwest direction (forecast issued at 01:00am August 17). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (17 Aug)1.5ft (0.5m)5s
Afternoon (17 Aug)2ft (0.6m)3s
Evening (17 Aug)3.5ft (1.0m)5s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Wed morning. Warm (max 20°C on Mon afternoon, min 17°C on Mon morning). Winds increasing (light winds from the W on Mon morning, fresh winds from the WSW by Wed night).

Monday
17
Tuesday
18
Wednesday
19
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
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
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
W
7
0.3
W
5
0.5
WNW
5
0.5
W
5
0.6
W
3
0.7
W
4
0.9
W
4
1.1
W
5
1.1
W
5
1.1
W
5
1
W
5
0.9
W
5
1.1
W
5
1.2
W
5
1.2
W
5
1.5
W
6
1.3
WNW
6
1
W
6
0.9
W
6
0.9
W
6
0.9
W
6
0.8
W
7
1
W
7
1.2
W
5
Wave Graph
Metric surfscale
Energy kJ
9
4
14
11
7
14
30
64
71
71
57
43
55
79
83
154
126
71
60
64
68
62
106
63
Wind (km/h)
5
NW
15
NNW
15
NW
15
W
20
WSW
25
W
25
W
25
W
25
WNW
25
W
25
W
30
WSW
30
WSW
25
WSW
30
W
25
W
25
WNW
20
W
20
W
20
W
20
W
25
W
30
W
30
W
Wind State
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
00:00AM4.68m
12:23PM4.41m
00:37AM4.38m
12:59PM4.15m
1:14AM4.01m
1:37PM3.84m
Low Tide
6:44AM0.19m
6:59PM0.53m
7:18AM0.56m
7:34PM0.85m
7:52AM0.95m
8:11PM1.20m
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
clear
rain showers
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:00
7:01
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:21
9:20
9:17
 mm
1
1
Temp °C
18
17
17
18
20
20
19
18
17
17
17
18
19
19
18
18
18
17
17
18
18
18
18
17
Feels °C
19
15
16
17
19
18
16
15
14
14
14
15
16
17
14
15
15
14
14
15
15
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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