Siouville Surf Break

Lat Long: 49.56° N 1.86° W

Siouville 48 hour detailed Surf Forecast

Issued: 7 pm 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siouville sea temperature is
18.6°C
2.2° 

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 (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 4.5ft (1.3m), 11s period with W swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 3.5ft (1.0m), 11s period with W swell.
  • Evening surf: Evening surf (20 Sep, local time) - 2.5ft (0.8m), 11s period with WNW swell.

The current surf forecast for Siouville at 1AM is: 1.4m 7s primary swell from a West direction and 0.4m 11s secondary swell from a West-northwest direction (forecast issued at 07:00pm September 19). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (20 Sep)4.5ft (1.3m)11s
Afternoon (20 Sep)3.5ft (1.0m)11s
Evening (20 Sep)2.5ft (0.8m)11s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Tue afternoon, min 16°C on Sun afternoon). Wind will be generally light.

Sat
19
Sunday
20
Monday
21
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
1
1
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
W
7
1.4
W
7
1.4
W
7
1.4
W
7
1.3
W
11
1.3
W
11
1.2
W
11
1
W
11
0.9
WNW
11
0.8
WNW
11
0.8
W
11
0.7
W
11
0.7
W
11
0.6
W
11
0.6
W
11
0.6
W
11
0.6
W
10
0.5
W
10
0.5
W
10
Wave Graph
Metric surfscale
Energy kJ
211
199
195
195
379
375
319
229
187
153
149
116
116
86
86
86
78
53
52
Wind (km/h)
30
WSW
30
W
25
WSW
25
WSW
25
WSW
25
W
20
NW
15
NW
15
NW
10
NNW
10
N
5
NE
5
NE
5
NE
10
NE
10
NNW
15
N
15
NE
10
ENE
Wind State
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
off
High Tide
2:22PM3.21m
3:13AM2.94m
4:10PM2.99m
5:32AM2.90m
6:06PM3.12m
Low Tide
9:11PM1.81m
9:44AM1.99m
11:02PM1.92m
11:49AM1.98m
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:48
7:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:13
8:10
8:07
 mm
Temp °C
18
18
18
17
17
17
17
17
16
16
16
16
16
16
16
18
18
17
18
Feels °C
14
15
15
14
14
14
15
15
14
15
14
15
15
15
14
15
13
14
15
  • 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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