Siouville surfForecast / Normandy / France

information circle12 Day Weather and Surf, issued 1 am Friday 20 Jun 2025 CEST
Forecast update in hr  min  s Forecast update imminent
Siouville surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Siouville sea temperature is
15.2° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Siouville this week:

The surf forecast for Siouville over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jun 26) at 5AM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.2m and 3s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Siouville in the next 12 days are 0.8m 10s and forecast to arrive on Tuesday (Jun 24) at 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 3s period and expected on Friday (Jun 20) at 8PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Thu 26th Jun)1.5ft (0.5m) 9s
Best Surf 5AM (Thu 26th Jun)1.5ft (0.5m) 9s
Most Powerful11AM (Tue 24th Jun)2.5ft (0.8m) 10s

Table - best surf conditions forecast for Siouville over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
01
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
WNW
0.4
WNW
0.4
W
0.4
W
0.4
W
0.9
W
0.7
W
0.7
W
1
W
1.1
W
1.2
W
0.9
W
0.8
W
0.8
W
0.7
W
0.6
W
0.5
W
0.5
W
0.5
W
0.5
W
0.4
WNW
0.4
WNW
0.5
W
0.4
WNW
0.7
W
0.7
W
0.7
W
0.6
W
0.6
W
0.8
W
0.8
W
0.8
W
1.4
W
3
WNW
3
WNW
1.9
W
Period(s) (?)999109454566710109999998888101111101010999996
Wave
Graph
(?)Metric surfscale
Energy (?)162828292624323162104116801251178160403940413328352490116112737012418119131113951481273
Wind
(km/h)
20
ESE
20
E
25
ESE
15
SSE
10
NNE
20
W
20
WSW
20
W
20
WSW
25
WSW
25
W
15
W
15
WSW
15
WSW
10
W
10
NNW
20
NW
10
NNW
5
NNE
20
NW
15
WNW
15
WNW
20
W
15
NW
10
NNW
20
NNW
10
N
10
NNW
20
NNW
25
NNE
35
NE
35
ENE
40
ENE
35
E
35
ENE
30
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
cross-
off
cross-
off
ononononcross-
on
onononononcross-
on
cross-
on
cross-
on
cross-
off
cross-
on
onononcross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
offoffoffoff
High Tide
/ height (m)
4:42PM
3.81
5:04AM
3.85
5:47PM
3.94
6:12AM
3.96
6:47PM
4.13
7:15AM
4.12
7:42PM
4.32
8:12AM
4.27
8:34PM
4.49
9:05AM
4.38
9:24PM
4.62
9:55AM
4.43
10:11PM
4.67
10:43AM
4.40
10:57PM
4.64
11:29AM
4.29
11:42PM
4.53
12:14PM
4.14
12:26AM
4.34
1:00PM
3.96
1:11AM
4.11
1:47PM
3.77
1:58AM
3.85
Low Tide
/ height (m)
10:39AM
0.87
11:14PM
1.15
11:47AM
0.87
12:25AM
1.01
12:56PM
0.80
1:33AM
0.78
2:00PM
0.69
2:33AM
0.53
2:57PM
0.57
3:28AM
0.30
3:50PM
0.47
4:19AM
0.15
4:38PM
0.43
5:07AM
0.09
5:24PM
0.46
5:52AM
0.14
6:08PM
0.56
6:36AM
0.27
6:51PM
0.72
7:19AM
0.46
7:33PM
0.92
8:01AM
0.70
8:16PM
1.14
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
01
Sunrise6:00--6:00--6:00--6:00--6:00--6:01--6:01--6:01--6:01--6:03--6:03--6:03--
Sunset-10:16--10:16--10:17--10:17--10:17--10:17--10:17--10:17--10:17--10:17--10:17--10:16-
part cloudclearrain showersrain showersthunderstorm part cloudclearclearclearpart cloudpart cloudclearclearclearclearpart cloudclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudclearclearclearclearclearclear
Rain (mm)
--111-------------------------------
Temp. °C232626232725161616161716161717171818182019171719182021222322162019182323
Feels °C (?)202522212826141314131413131415171716181817161619181920212121101211121617

Short Range Forecast: Light rain (total 3mm), mostly falling on Fri night. Warm (max 27°C on Sat afternoon, min 15°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Wed afternoon, min 14°C on Mon night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 21°C on Sat night, min 17°C on Thu morning). Wind will be generally light.

Long Range Forecast: Mostly dry. Warm (max 23°C on Sun afternoon, min 14°C on Mon night). Winds increasing (light winds from the ENE on Sun morning, strong winds from the ENE by Mon night).

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Siouville Surf forecast

The above surf forecast table for Siouville provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Siouville can be found by selecting the local surf guide option on the grey menu. Our Siouville surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Siouville) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Siouville may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Siouville is 16 km (10 miles) from Octeville. If you plan a holiday in Normandy, look for hotels and other accommodation in Octeville. Octeville has rooms for a wide range of budgets as well as car hire and transport links.

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