Belle Ile Surf Break

Lat Long: 47.32° N 3.25° W

Belle Ile 48 hour detailed Surf Forecast

Issued: 7 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Belle Ile sea temperature is
20.5° C
1.3° 

Belle Ile surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Belle Ile today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 1.5ft (0.5m), 7s period with WNW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 1.5ft (0.5m), 7s period with WNW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 4s period with WNW swell.

The current surf forecast for Belle Ile at 2AM is: 0.9m 5s primary swell from a Northwest direction and 0.4m 8s secondary swell from a West-northwest direction (forecast issued at 07:00pm August 17). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (18 Aug)1.5ft (0.5m)7s
Afternoon (18 Aug)1.5ft (0.5m)7s
Evening (18 Aug)2.5ft (0.7m)4s

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


Short Range Forecast

Some drizzle, heaviest during Wed afternoon. Warm (max 22°C on Mon night, min 17°C on Tue morning). Winds decreasing (fresh winds from the WNW on Mon night, light winds from the WSW by Wed morning).

Mon
17
Tuesday
18
Wednesday
19
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
WNW
4
1.1
WNW
5
1.2
WNW
5
0.9
NW
5
0.4
WNW
8
0.5
WNW
7
0.5
WNW
7
0.5
WNW
7
0.6
WNW
6
0.3
W
8
0.7
WNW
4
0.6
WNW
6
0.4
W
8
0.5
WNW
6
0.4
W
7
0.7
WNW
10
0.8
WNW
10
0.7
WNW
9
1.2
W
10
Wave Graph
Metric surfscale
Energy kJ
14
48
64
32
20
31
27
26
33
11
14
24
18
18
17
88
125
82
267
Wind (km/h)
30
W
35
WNW
30
NW
20
NNW
20
NW
20
NW
15
WNW
20
WNW
25
W
30
WNW
20
WNW
15
WNW
15
WNW
10
WNW
5
WSW
25
S
35
WSW
30
NW
30
WNW
Wind State
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
High Tide
8:37PM3.92m
8:55AM3.67m
9:12PM3.58m
9:30AM3.40m
9:51PM3.24m
Low Tide
2:35PM0.38m
2:59AM0.54m
3:17PM0.69m
3:40AM0.88m
4:04PM1.03m
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
part cloud
light rain
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:20
9:17
 mm
1
Temp °C
21
22
21
19
18
17
17
18
20
20
20
20
19
19
19
20
21
18
18
Feels °C
17
17
17
18
17
16
16
16
18
17
19
20
18
19
20
19
18
15
14
  • 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 

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