Siouville Surf Break

Lat Long: 49.56° N 1.86° W

Siouville 48 hour detailed Surf Forecast

Issued: 1 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siouville sea temperature is
18.9°C
2.3° 

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 (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 1.5ft (0.5m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.1m), 4s period with W swell.
  • Evening surf: Evening surf (15 Sep, local time) - 5ft (1.5m), 6s period with WNW swell.

The current surf forecast for Siouville at 8PM is: 1.5m 6s primary swell from a West-northwest direction (forecast issued at 01:00pm September 15). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (15 Sep)1.5ft (0.5m)8s
Afternoon (15 Sep)3.5ft (1.1m)4s
Evening (15 Sep)5ft (1.5m)6s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 17°C on Tue afternoon, min 15°C on Wed afternoon). Winds increasing (light winds from the NW on Tue night, strong winds from the WSW by Thu afternoon).

Tue
15
Wednesday
16
Thursday
17
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
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)
0.7
W
8
1
W
4
1.2
WNW
5
1.5
WNW
6
1.5
WNW
6
1.4
WNW
6
1.2
WNW
8
1.1
W
8
1.2
W
9
1.3
WNW
9
1.2
WNW
10
1.2
WNW
10
1.3
WNW
10
1.2
W
10
1.3
W
10
1.3
W
5
1.6
W
6
1.9
WSW
6
1.8
W
7
1.6
W
6
1.5
W
6
Wave Graph
Metric surfscale
Energy kJ
66
36
72
130
145
126
197
165
225
266
282
306
385
320
354
83
160
275
278
206
176
Wind (km/h)
20
WSW
25
WNW
30
WNW
30
WNW
30
WNW
25
NW
20
NW
20
NW
20
NW
20
NW
25
WNW
20
WNW
25
WNW
25
W
30
W
30
WSW
40
WSW
40
WSW
35
WNW
30
WNW
30
WNW
Wind State
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
cross-on
High Tide
11:45AM4.50m
00:01AM4.37m
12:17PM4.23m
00:35AM4.02m
12:51PM3.91m
Low Tide
6:23PM0.50m
6:37AM0.67m
6:54PM0.82m
7:08AM1.04m
7:27PM1.17m
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
light rain
light rain
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:43
7:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:19
8:16
 mm
1
1
Temp °C
18
17
17
17
17
16
16
16
16
16
15
16
16
16
16
16
17
16
17
16
16
Feels °C
16
13
11
12
12
12
13
12
12
12
11
12
11
12
11
10
11
9
11
10
10
  • 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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