Siouville Surf Break

Lat Long: 49.56° N 1.86° W

Siouville 48 hour detailed Surf Forecast

Issued: 7 am 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Siouville sea temperature is
17.5°C
2.7° 

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 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 3ft (0.9m), 13s period with WNW swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 4.5ft (1.3m), 5s period with NW swell.
  • Evening surf: Evening surf (20 Oct, local time) - 2ft (0.6m), 12s period with W swell.

The current surf forecast for Siouville at 1PM is: 1.4m 5s primary swell from a Northwest direction (forecast issued at 07:00am October 20). An open ocean swell of 0.1m 5s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (20 Oct)3ft (0.9m)13s
Afternoon (20 Oct)4.5ft (1.3m)5s
Evening (20 Oct)2ft (0.6m)12s

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


Short Range Forecast

Heavy rain (total 55mm), heaviest during Tue morning. Very mild (max 15°C on Thu morning, min 12°C on Tue morning). Winds increasing (light winds from the SW on Tue night, severe gales from the SW by Thu night).

Tuesday
20
Wednesday
21
Thursday
22
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
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)
0.6
W
14
0.9
WNW
13
1.5
NW
5
1.3
NW
5
0.6
W
12
0.6
W
12
0.6
W
12
1.5
S
5
2.1
WSW
6
3
W
8
4
W
10
4.5
WNW
12
4.5
WNW
12
4
WNW
11
3.5
W
10
3.5
W
9
3.5
W
9
3
W
9
2.5
W
10
2.2
W
10
2.1
W
11
1.5
W
11
1.3
W
11
Wave Graph
Metric surfscale
Energy kJ
136
309
108
103
110
106
108
115
312
1057
2730
5092
5280
3732
2055
1795
1838
1463
1177
1035
1026
507
396
Wind (km/h)
20
WNW
40
NW
40
NW
30
WNW
30
WSW
20
SW
35
SSW
40
SSE
40
WSW
55
W
55
W
60
W
60
W
55
W
45
WSW
55
WSW
50
W
40
W
35
WSW
35
SW
40
SW
45
S
55
S
Wind State
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross-off
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross
cross
High Tide
5:07PM3.11m
6:05AM3.15m
6:16PM3.36m
6:54AM3.48m
7:02PM3.69m
Low Tide
10:46AM1.92m
11:40PM1.63m
12:12PM1.72m
00:45AM1.32m
1:09PM1.38m
light rain
heavy rain
light rain
light rain
clear
clear
cloud
light rain
rain showers
light rain
rain showers
light rain
light rain
rain showers
light rain
thunderstorm
thunderstorm
rain showers
light rain
light rain
light rain
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
8:34
—
—
—
—
—
—
—
8:37
—
—
—
—
—
—
—
8:37
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
7:07
—
—
—
—
—
—
—
7:06
—
—
—
—
—
—
—
7:04
—
—
 mm
4
11
2
1
—
—
—
1
2
1
1
2
1
2
1
2
2
3
3
2
2
2
7
Temp °C
11
12
12
12
14
13
13
12
14
12
12
13
13
13
13
14
14
14
15
15
14
14
14
Feels °C
7
4
5
6
8
8
5
4
6
1
0
0
0
1
3
3
4
7
9
9
7
5
4
  • 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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