Siouville Surf Break

Lat Long: 49.56° N 1.86° W

Siouville 48 hour detailed Surf Forecast

Issued: 7 pm 18 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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 3ft (0.9m), 6s period with W swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 2.5ft (0.7m), 7s period with W swell.
  • Evening surf: Evening surf (19 Aug, local time) - 4ft (1.2m), 5s period with W swell.

The current surf forecast for Siouville at 4AM is: 1.1m 6s primary swell from a West direction (forecast issued at 07:00pm August 18). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (19 Aug)3ft (0.9m)6s
Afternoon (19 Aug)2.5ft (0.7m)7s
Evening (19 Aug)4ft (1.2m)5s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Wed morning. Very mild (max 18°C on Tue night, min 16°C on Wed morning). Winds decreasing (fresh winds from the WSW on Wed night, calm by Fri morning).

Tue
18
Wednesday
19
Thursday
20
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
W
6
1.2
W
6
1.2
W
6
1.2
W
6
1
W
6
0.9
W
6
0.8
W
7
0.7
W
7
0.8
W
7
1.1
W
5
1.4
WNW
6
1.3
W
6
1.5
W
6
1.5
W
6
1.5
W
7
1.6
W
9
1.6
W
9
1.5
W
9
1.5
W
9
Wave Graph
Metric surfscale
Energy kJ
89
89
89
101
71
64
56
45
68
51
122
110
139
160
210
380
390
351
364
Wind (km/h)
30
W
30
W
25
W
25
W
20
WSW
20
WSW
15
NW
15
WNW
30
W
30
W
30
W
30
WSW
35
WSW
30
WSW
25
W
30
W
25
W
25
W
25
W
Wind State
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
High Tide
1:14AM4.01m
1:37PM3.84m
1:55AM3.63m
2:21PM3.51m
Low Tide
7:34PM0.85m
7:52AM0.95m
8:11PM1.20m
8:28AM1.34m
8:55PM1.54m
part cloud
part cloud
clear
part cloud
cloud
cloud
heavy rain
light rain
clear
clear
clear
part cloud
rain showers
rain showers
rain showers
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:20
9:17
9:15
 mm
11
5
1
2
1
Temp °C
19
18
18
17
18
17
16
16
18
18
18
17
17
17
17
18
18
18
17
Feels °C
16
14
15
14
16
15
15
15
14
13
13
12
12
12
13
13
14
14
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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