Siouville Surf Break

Lat Long: 49.56° N 1.86° W

Siouville 48 hour detailed Surf Forecast

Issued: 1 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siouville sea temperature is
18.8°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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 5ft (1.6m), 6s period with W swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 6ft (1.8m), 6s period with W swell.
  • Evening surf: Evening surf (17 Sep, local time) - 5ft (1.6m), 6s period with W swell.

The current surf forecast for Siouville at 9PM is: 1.6m 6s primary swell from a West direction (forecast issued at 01:00pm September 17). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (17 Sep)5ft (1.6m)6s
Afternoon (17 Sep)6ft (1.8m)6s
Evening (17 Sep)5ft (1.6m)6s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu afternoon. Very mild (max 18°C on Sat afternoon, min 16°C on Thu night). Mainly fresh winds.

Thu
17
Friday
18
Saturday
19
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)
1.8
W
6
1.8
W
6
1.6
W
6
1.6
W
6
1.6
WNW
8
1.5
WNW
9
1.3
WNW
9
1.3
WNW
10
1.2
WNW
9
1.1
W
9
1.2
W
13
1.3
W
13
1.4
W
6
1.4
W
6
1.4
W
6
1.4
W
6
1.4
W
7
1.4
W
7
1.4
W
7
1.3
W
7
1.3
W
7
Wave Graph
Metric surfscale
Energy kJ
227
269
209
187
326
322
295
322
248
190
488
555
121
138
148
153
168
171
173
149
154
Wind (km/h)
40
SW
30
W
35
WNW
35
WNW
25
WNW
25
WNW
25
WNW
20
WNW
20
W
25
WSW
30
WSW
30
W
30
WSW
30
WSW
30
WSW
30
SW
30
SW
30
WSW
30
WSW
25
W
25
W
Wind State
cross-on
on
on
on
on
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
High Tide
12:51PM3.91m
1:11AM3.64m
1:29PM3.55m
1:56AM3.26m
2:22PM3.21m
Low Tide
7:27PM1.17m
7:41AM1.41m
8:08PM1.52m
8:26AM1.74m
9:11PM1.81m
light rain
light rain
cloud
part cloud
clear
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:47
7:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:16
8:15
8:13
 mm
1
3
Temp °C
16
17
17
17
17
16
16
16
16
16
16
16
16
16
16
16
17
17
18
18
17
Feels °C
9
12
11
11
11
11
12
12
12
11
11
11
11
11
11
11
13
13
14
15
13
  • 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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