Dame Jouanne surfForecast / Brittany – Ile et Vilaine / France

information circle12 Day Weather and Surf, issued 12 am Monday 08 Dec 2025 CET
Forecast update in hr  min  s Forecast update imminent
Dame Jouanne surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dame Jouanne sea temperature is
12.0° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Dame Jouanne this week:

The surf forecast for Dame Jouanne over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 11) at 1AM. The primary swell is predicted to be 1.0m and 12s period with a secondary swell of 0.5m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Dame Jouanne in the next 12 days are 2.1m 18s and forecast to arrive on Saturday (Dec 13) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Sunday (Dec 14) at 7PM.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Thu 11th Dec)3.5ft (1.0m) 12s
Best Surf 4AM (Fri 12th Dec)4.5ft (1.3m) 14s
Most Powerful 4AM (Sat 13th Dec)7ft (2.1m) 18s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 8mm), mostly falling on Mon morning. Very mild (max 15°C on Sun night, min 11°C on Tue night). Winds decreasing (strong winds from the S on Tue morning, light winds from the WSW by Wed afternoon).

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Fri night. Very mild (max 12°C on Thu night, min 9°C on Wed night). Wind will be generally light.

Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
0
0
3
2
0
2
1
1
2
3
2
3
4
3
0
2
3
3
3
1
Swell
Height Map
Wave Height (m) & direction (?)
1.3
WNW
1
WNW
0.7
WNW
1.7
WNW
1.4
WNW
1.4
WNW
1.4
WNW
1.2
WNW
1.1
WNW
1
WNW
1.3
WNW
1
WNW
1.2
WNW
1.5
WNW
1.4
WNW
2
WNW
2
WNW
1.7
WNW
1.6
WNW
1.6
WNW
1.5
WNW
Period(s) (?)121220171616141313121413131616181616141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)510283336162710299388454994082695863574911122957251620461415982812757
Wind
(km/h)
25
SW
30
SSW
40
SW
30
SSE
40
S
40
SSW
20
SSW
20
SSW
10
W
5
S
15
SSE
20
SSE
20
S
15
SE
10
SSE
20
NNW
10
W
5
WSW
15
S
20
S
30
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
crosscross-
off
offoffoffoffoffoncross-
on
crosscross-
off
offcross-
off
High Tide
/ height (m)
9:12AM
12.08
9:38PM
11.46
9:58AM
11.54
10:26PM
10.81
10:47AM
10.87
11:17PM
10.12
11:40AM
10.19
12:16AM
9.50
12:44PM
9.60
1:26AM
9.09
1:56PM
9.24
2:39AM
8.97
3:07PM
9.17
Low Tide
/ height (m)
3:46AM
1.80
4:12PM
1.67
4:32AM
2.26
4:59PM
2.19
5:18AM
2.84
5:47PM
2.80
6:06AM
3.44
6:36PM
3.41
6:57AM
3.99
7:30PM
3.93
7:53AM
4.40
8:29PM
4.28
8:57AM
4.61
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
Sunrise-8:47--8:48--8:48--8:49--8:51--8:52--8:52-
Sunset--5:12--5:12--5:12--5:12--5:12--5:12--5:12
part cloud
mod rain
cloud
cloud
cloud
light rain
part cloud
cloud
part cloud
clear
cloud
cloud
part cloud
light rain
light rain
rain showers
clear
clear
clear
part cloud
cloud
Rain (mm)
-6---2-------128-----
Temp. °C1514151314141213131110111210111010109911
Feels °C (?)129886789111067779878545
  • 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 Dame Jouanne Surf forecast

The above surf forecast table for Dame Jouanne provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Dame Jouanne can be found by selecting the local surf guide option on the grey menu. Our Dame Jouanne 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 (Dame Jouanne) 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 Dame Jouanne 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.

Are you planning a holiday in Ile et Vilaine - Brittany? If you are looking for accommodation near Dame Jouanne, camping, hotels and holiday cottages in Ile et Vilaine - Brittany, consider staying in Saint Malo which is 10 km (6 miles) away. Other places in and around Ile et Vilaine - Brittany where you can find information about places to rent, and car hire include Cancale which is 21 km (13 miles) away, Granville, Saint-Brieuc and Saint Helier.

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