Belle Ile surfForecast / Brittany – Morbihan / France

information circle12 Day Weather and Surf, issued 6 am Monday 01 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
14.3° C
(Which is 1.0°C warmer than 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 Tuesday (Dec 02) at 10PM. The primary swell is predicted to be 4.0m and 16s period. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Belle Ile in the next 12 days are 5.5m 15s and forecast to arrive on Thursday (Dec 04) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+)10PM (Tue 2nd Dec)13ft (4.0m) 16s
Best Surf10PM (Tue 2nd Dec)13ft (4.0m) 16s
Most Powerful10PM (Thu 4th Dec)18ft (5.5m) 15s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 18mm), heaviest on Wed night. Very mild (max 13°C on Mon morning, min 10°C on Tue night). Winds increasing (light winds from the W on Tue night, near gales from the SSW by Wed night).

Days 3-6 Weather Summary Heavy rain (total 21mm), heaviest during Sat night. Very mild (max 14°C on Fri night, min 11°C on Thu morning). Winds decreasing (near gales from the WSW on Thu afternoon, moderate winds from the WSW by Fri afternoon).

Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
Wave Height (m) & direction (?)
3
WSW
2.3
W
3.5
WSW
3.5
W
4
W
4
W
3.5
W
3.5
W
2.2
W
3.5
W
4.5
W
5
W
4.5
W
3.5
W
3
W
2.4
W
4
W
4
W
4
W
4
W
4
W
Period(s) (?)81011151516151514121615141616141516151412
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1151104529745417610272635333526619493335941811613829862694089240765377178646258084214
Wind
(km/h)
50
SSW
55
SSW
50
WSW
30
SW
35
W
15
W
20
WSW
25
SW
60
SSW
30
W
50
SW
50
W
35
NW
25
WSW
45
W
40
W
35
W
30
SW
50
WSW
50
WSW
35
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
oncross-
on
oncross-
on
cross-
on
onononcross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
1:15PM
3.71
1:50AM
3.74
2:11PM
3.96
2:41AM
4.03
3:04PM
4.17
3:28AM
4.27
3:54PM
4.30
4:15AM
4.43
4:43PM
4.33
5:02AM
4.49
5:31PM
4.25
5:50AM
4.44
6:20PM
4.07
Low Tide
/ height (m)
7:32PM
0.54
7:56AM
0.55
8:24PM
0.32
8:49AM
0.26
9:14PM
0.14
9:39AM
0.04
10:02PM
0.05
10:29AM
-0.10
10:50PM
0.03
11:19AM
-0.11
11:38PM
0.11
12:09PM
-0.02
12:26AM
0.25
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Sunrise8:37--8:38--8:40--8:41--8:42--8:44--8:45--
Sunset-5:23--5:23--5:23--5:22--5:22--5:22--5:22-
light rain
light rain
rain showers
light rain
clear
rain showers
clear
part cloud
mod rain
rain showers
thunderstorm
thunderstorm
part cloud
light rain
rain showers
part cloud
part cloud
heavy rain
mod rain
light rain
part cloud
Rain (mm)
1143-2--7112-13--1362-
Temp. °C131313121112121212111112121214131313151513
Feels °C (?)3265267624125655686610
  • 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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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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