Belle Ile surfForecast / Brittany – Morbihan / France

information circle12 Day Weather and Surf, issued 6 pm Sunday 28 Dec 2025 CET
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
12.5° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Belle Ile this week:

The surf forecast for Belle Ile over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 29) at 1PM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.3m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Belle Ile in the next 12 days are 1.3m 11s and forecast to arrive on Saturday (Jan 03) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Saturday (Jan 03) at 7PM.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Mon 29th Dec)1.5ft (0.4m) 14s
Best Surf 7PM (Sat 3rd Jan)3.5ft (1.0m) 10s
Most Powerful 7AM (Sat 3rd Jan)4.5ft (1.3m) 11s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Mild temperatures (max 6°C on Sun afternoon, min 1°C on Wed morning). Winds increasing (moderate winds from the ENE on Mon morning, strong winds from the ENE by Tue afternoon).

Days 3-6 Weather Summary Heavy rain (total 23mm), heaviest during Fri afternoon. Very mild (max 13°C on Fri night, min 2°C on Wed night). Winds increasing (light winds from the E on Thu afternoon, strong winds from the SW by Fri night).

Sun
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
W
0.5
W
0.4
W
0.4
W
0.5
W
0.5
W
0.4
WSW
0.8
W
0.7
W
0.7
W
0.6
W
0.5
W
0.4
W
0.3
W
0.3
W
0.6
WSW
1.2
WSW
1.3
WSW
1.2
WSW
0.7
SW
0.4
WSW
Period(s) (?)121114131312161513131212111413121111111011
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1026366568574862721731651056939322811333435230010240
Wind
(km/h)
40
ENE
30
ENE
30
ENE
20
NE
35
ENE
45
ENE
40
ENE
40
ENE
40
ENE
30
ENE
25
E
20
E
10
E
15
ESE
25
ESE
25
SSE
35
SW
25
SSW
25
NE
45
NNE
45
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off
offoffoffoffoffoffoffoffoffoffcross-
off
cross-
off
cross-
on
crosscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
10:50PM
3.28
11:19AM
3.45
12:06AM
3.36
12:38PM
3.51
1:19AM
3.55
1:51PM
3.66
2:23AM
3.80
2:54PM
3.86
3:19AM
4.07
3:50PM
4.03
4:11AM
4.29
4:40PM
4.14
4:59AM
4.44
Low Tide
/ height (m)
4:46PM
0.90
5:12AM
1.04
5:52PM
0.88
6:23AM
0.95
6:58PM
0.80
7:30AM
0.75
8:01PM
0.64
8:33AM
0.50
8:59PM
0.46
9:30AM
0.26
9:52PM
0.29
10:23AM
0.06
10:41PM
0.16
11:12AM
-0.04
Sun
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunrise--8:59--8:59--8:59--9:00--9:00--8:59--8:59
Sunset5:29--5:29--5:30--5:30--5:31--5:32--5:34--
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
heavy rain
mod rain
light rain
light rain
mod rain
light rain
Rain (mm)
--------------31172294
Temp. °C6435444423324571213131085
Feels °C (?)-3-5-5-1-5-6-6-6-7-6-6-4-10155851-5
  • 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 Belle Ile Surf forecast

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

Belle Ile is 48 km (30 miles) from the city of Ploemeur. If you plan a holiday in Morbihan - Brittany, look for hotels and other accommodation in Ploemeur. Ploemeur has rooms for a wide range of budgets as well as car hire and transport links.

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