Dame Jouanne surfForecast / Brittany – Ile et Vilaine / France

information circle48hr Weather and Surf, issued 7 am Sunday 17 May 2026 CEST
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
13.5° C
(Which is slightly warmer than usual)

How big are the waves at Dame Jouanne today?

The current surf forecast for Dame Jouanne at 11AM is: 0.8m 7s primary swell from a West-northwest direction and 0.2m 15s secondary swell from a West-northwest direction, 0.2m 12s secondary swell from a West-northwest direction (forecast issued at 07:00am May 17). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (17 May)2.5ft (0.7m)6s
Afternoon (17 May)1.5ft (0.4m)14s
Evening (17 May)2.5ft (0.8m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Mon night. Very mild (max 17°C on Tue afternoon, min 9°C on Mon morning). Winds increasing (light winds from the W on Sun night, fresh winds from the S by Mon night).

Sunday
17
Monday
18
Tuesday
19
Wed
20
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
2 AM
Rating
(10 max)
0
0
0
0
0
0
0
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
WNW
6
0.7
WNW
6
0.8
WNW
7
0.4
NW
14
0.6
WNW
14
0.7
WNW
13
1.1
WNW
13
1.1
WNW
12
1.1
WNW
12
1.1
WNW
12
1.1
WNW
12
1
WNW
12
0.9
WNW
12
0.8
WNW
11
0.8
WNW
11
0.8
WNW
11
0.7
WNW
11
0.6
WNW
11
0.5
WNW
10
0.6
WNW
9
0.8
WNW
9
1
WNW
9
0.9
WNW
9
0.8
WNW
9
Wave Graph
Metric surfscale
Energy kJ
22
31
57
61
127
151
408
371
359
359
347
285
235
160
151
146
101
75
54
66
110
141
108
88
Wind (km/h)
15
WNW
15
W
20
WNW
20
NW
20
NW
15
WNW
15
W
15
W
20
SW
20
WSW
20
WSW
25
SW
25
SSW
20
SSW
25
S
30
S
35
S
30
SW
30
SW
25
W
25
W
20
W
20
SW
25
SW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-off
cross-off
High Tide
8:10AM12.46m
8:31PM12.56m
8:54AM12.47m
9:15PM12.50m
9:38AM12.17m
9:59PM12.14m
Low Tide
2:35AM1.28m
2:58PM1.23m
3:22AM1.11m
3:45PM1.30m
4:10AM1.22m
4:32PM1.63m
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
part cloud
cloud
rain showers
cloud
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:44
9:45
9:46
9:47
1
1
2
1
1
Temp °C
11
10
12
13
12
12
11
11
10
9
12
12
12
13
12
11
12
14
15
17
16
16
14
12
7
6
7
8
7
8
7
8
6
4
7
6
7
8
7
5
5
9
10
12
11
12
10
8
Swell 1
Height (m)
Direction
Period (s)
0.3
WNW
7
0.2
WNW
13
0.2
WNW
15
0.4
NW
14
0.6
WNW
14
0.7
WNW
13
1.1
WNW
13
1.1
WNW
12
1.1
WNW
12
1.1
WNW
12
1.1
WNW
12
1
WNW
12
0.9
WNW
12
0.8
WNW
11
0.8
WNW
11
0.8
WNW
11
0.7
WNW
11
0.6
WNW
11
0.5
WNW
10
0.6
WNW
9
0.1
W
15
0.1
W
15
0.9
WNW
9
0.8
WNW
9
Energy kJ
10
17
22
54
127
151
408
371
359
359
347
285
235
160
151
146
101
75
54
66
4
4
108
88
Swell 2
Height (m)
Direction
Period (s)
0.2
WNW
13
0.1
NW
16
0.2
WNW
12
0.2
WNW
12
0.1
W
15
0.1
W
14
0.1
W
13
Energy kJ
18
10
15
14
4
4
3
Swell 3
Height (m)
Direction
Period (s)
0.1
W
16
0.1
W
18
Energy kJ
5
6
Wind waves
Height (m)
Direction
Period (s)
0.6
WNW
6
0.7
WNW
6
0.8
WNW
7
0.8
WNW
7
0.8
WNW
7
0.8
WNW
7
0.4
SW
3
0.4
SW
3
0.4
SW
3
0.4
SSW
3
0.6
SSW
3
0.8
S
4
0.7
SSW
4
0.7
SW
4
0.5
SW
3
0.8
WNW
9
1
WNW
9
0.4
SW
3
Energy kJ
22
31
57
61
62
68
2
2
2
3
9
17
13
14
6
110
141
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
2
1
3
3
3
3
2
2
2
2
2
2
2
2
2
2
1
2
2
Distance (km)
111
136
136
550
585
250
233
136
111
111
111
98
98
98
113
353
441
457
556
581
581
295
111
111
Best forecast wave conditions in Ile et Vilaine - Brittany
Rating
(10 max)
Best forecast wave conditions in France
Rating
(10 max)
2
1
2
1
1
2
2
3
3
3
3
3
4
3
3
3
3
3
2
1
2
2
Header Global
Rating
(10 max)
4
5
4
4
8
6
4
4
5
7
4
4
5
4
5
5
4
4
4
4
5
5
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

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