Belle Ile - Les Donnants Surf Forecast

/ Brittany – Morbihan (22 surf breaks) /

France (410 surf breaks) / Lat Long: (47.32° N 3.24° W)

Surf Forecasts:

Belle Ile - Les Donnants surfForecast / Brittany – Morbihan / France

48hr Weather and Surf, issued 7 pm Friday 17 Oct 2025 CEST

Forecast update in hr min s Forecast update imminent

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

Today's Belle Ile - Les Donnants sea temperature is 16.9° C
(Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Belle Ile - Les Donnants today?

The current surf forecast for Belle Ile - Les Donnants at 2AM is: 0.3m 9s primary swell from a West direction and 0.1m 13s secondary swell from a West direction (forecast issued at 07:00pm October 17). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (CEST) & Date	Wave Height	Wave Period
Morning (18 Oct)	1ft (0.3m)	8s
Afternoon (18 Oct)	0.5ft (0.2m)	12s
Evening (18 Oct)	1.5ft (0.5m)	10s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Friday 17			Saturday 18								Sunday 19								Monday 20
	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	5 AM	8 AM	11 AM	2 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	W	W	W	W	WSW	WSW	W	W	W	W	W	W	W	W	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W
Period(s) (?)	10	10	10	9	9	8	8	12	12	11	10	10	11	11	11	6	9	9	9	9	9	9	9	10
Wave Graph (?)
kJ (?)	17	17	8	13	7	12	13	13	24	36	73	130	205	191	188	462	1318	882	917	917	994	1181	1767	2932
Wind (km/h)	E	E	E	ESE	ESE	ESE	ESE	SE	SE	SSE	S	SSW	SSE	S	S	SSW	WSW	WSW	SW	WSW	WSW	WSW	WSW	WSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	off	off	off	off	off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross- off	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	on
High Tide / height (m)	3:21PM 3.68				3:49AM 3.59				4:01PM 3.86				4:23AM 3.78				4:34PM 3.98				4:51AM 3.92
Low Tide / height (m)			9:16PM 0.72				9:30AM 0.75				9:56PM 0.51				10:10AM 0.53				10:31PM 0.36				10:45AM 0.37

	Friday 17			Saturday 18								Sunday 19								Monday 20
Sunrise	-	-	-	-	-	-	8:33	-	-	-	-	-	-	-	8:36	-	-	-	-	-	-	-	8:37	-
Sunset	7:22	-	-	-	-	-	-	-	7:20	-	-	-	-	-	-	-	7:19	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-	1	-	1	1	-	-	1	1
Temp. °C	15	17	15	14	13	12	12	13	14	15	16	17	17	17	17	17	17	16	16	16	16	16	16	15
Feels °C (?)	11	12	9	7	7	6	6	8	10	11	13	14	13	11	11	8	12	11	9	9	8	6	6	5

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Brittany - Morbihan

Wind Update The wind is still cross-off at Belle Ile - Les Donnants (light winds from the ENE at Le Talut 4 km from Belle Ile - Les Donnants). 0.2m 9s swell from the WSW with a 0.2m 10s swell from the W. 2 swells combining to make bigger set waves.
1 hour 40 minutes ago Belle Ile - Les Donnants

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1 h 40 min ago

18 km/h

ENE

Cross-Off

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