Belle Ile surfForecast / Brittany – Morbihan / France

information circle48hr Weather and Surf, issued 1 am Sunday 17 May 2026 CEST
Forecast update in hr  min  s Forecast update imminent
Belle Ile surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Belle Ile sea temperature is
14.5° C
(Which is slightly warmer than usual)

How big are the waves at Belle Ile today?

The current surf forecast for Belle Ile at 7AM is: 1.1m 7s primary swell from a West-northwest direction and 0.4m 13s secondary swell from a West-northwest direction (forecast issued at 01:00am May 17). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (17 May)3.5ft (1.0m)7s
Afternoon (17 May)2ft (0.6m)15s
Evening (17 May)4.5ft (1.3m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 10mm), heaviest on Mon night. Very mild (max 15°C on Mon night, min 11°C on Sun morning). Winds increasing (light winds from the NW on Sun morning, strong winds from the SSW by Mon night).

Sunday
17
Monday
18
Tuesday
19
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
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
1
0
0
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
Wave
Height (m)
Direction
Period (s)
1
W
7
1.2
WNW
7
1.1
WNW
7
1
W
7
0.6
W
15
1
W
14
1.2
WNW
14
1.7
WNW
13
1.7
WNW
13
1.7
WNW
12
1.6
WNW
12
1.6
WNW
12
1.5
W
12
1.4
WNW
12
1.5
W
12
1.2
WNW
11
1
WNW
11
1.7
WSW
6
2
WSW
7
2.2
WSW
8
2.1
WSW
8
1.9
WSW
8
1.3
W
8
1
WNW
8
Wave Graph
Metric surfscale
Energy kJ
108
143
121
94
157
423
547
1026
995
920
807
680
639
550
594
325
222
246
389
587
541
456
228
137
Wind (km/h)
20
SW
25
NW
15
NNW
10
NW
15
W
30
W
25
W
20
WNW
20
W
20
W
15
W
20
W
15
SW
20
SW
30
SW
40
SSW
40
SSW
40
WSW
35
WSW
35
WSW
30
WSW
30
WSW
25
WSW
25
SW
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
High Tide
5:30AM4.40m
5:51PM4.47m
6:17AM4.36m
6:37PM4.46m
7:05AM4.21m
7:25PM4.33m
Low Tide
11:20PM-0.05m
11:42AM-0.02m
00:08AM-0.11m
12:29PM0.04m
00:57AM-0.06m
1:17PM0.19m
cloud
rain showers
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:33
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:44
9:45
9:46
1
1
1
1
1
1
2
3
Temp °C
13
12
11
12
12
13
13
13
13
12
12
12
11
13
14
12
14
15
15
14
14
14
14
14
10
7
7
10
8
6
7
8
8
7
8
8
7
9
9
5
7
8
9
8
8
9
10
10
Swell 1
Height (m)
Direction
Period (s)
0.2
W
15
0.3
W
14
1.1
WNW
7
1
W
7
1
W
7
1
W
14
1.2
WNW
14
1.7
WNW
13
1.7
WNW
13
1.7
WNW
12
1.6
WNW
12
1.6
WNW
12
1.5
W
12
1.4
WNW
12
1.5
W
12
1.2
WNW
11
1
WNW
11
0.9
WNW
11
0.8
WNW
11
0.1
W
16
0.7
WNW
10
0.5
WNW
10
1.3
W
8
1
WNW
8
Energy kJ
17
33
121
94
94
423
547
1026
995
920
807
680
639
550
594
325
222
164
128
5
83
52
228
137
Swell 2
Height (m)
Direction
Period (s)
0.2
W
15
0.4
WNW
13
0.4
WNW
13
0.6
W
15
0.5
W
11
0.9
W
6
0.1
W
16
0.1
W
16
0.1
W
15
0.1
W
15
0.5
WNW
10
1
W
8
Energy kJ
17
59
55
157
57
62
5
5
4
4
56
133
Swell 3
Height (m)
Direction
Period (s)
0.2
W
16
0.4
W
16
0.4
WNW
12
0.2
W
15
0.2
W
14
Energy kJ
21
78
48
17
16
Wind waves
Height (m)
Direction
Period (s)
1
W
7
1.2
WNW
7
0.4
N
3
0.2
N
3
1
W
7
1.1
W
8
0.7
W
4
1.2
WSW
5
1.6
SW
6
1.7
WSW
6
2
WSW
7
2.2
WSW
8
2.1
WSW
8
1.9
WSW
8
1.2
SW
7
1.1
SW
7
Energy kJ
108
143
4
1
100
142
19
74
159
246
389
587
541
456
152
115
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
2
3
3
3
3
3
3
2
2
3
2
2
2
2
2
3
Distance (km)
44
44
29
36
434
434
429
202
44
36
36
156
101
121
121
167
259
377
426
426
435
433
101
101
Best forecast wave conditions in Morbihan - Brittany
Rating
(10 max)
1
2
1
2
2
3
3
Best forecast wave conditions in France
Rating
(10 max)
2
2
1
2
1
1
2
2
2
4
3
3
3
3
3
3
3
3
3
2
2
2
2
3
Header Global
Rating
(10 max)
5
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
5
5
4
4
5
5
  • 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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