Mauvaise Greve Surf Forecast

/ Brittany – Finistere (75 surf breaks) /

France (410 surf breaks)

Surf Forecasts:

Mauvaise Greve surfForecast / Brittany – Finistere / France

12 Day Weather and Surf, issued 1 am Friday 22 Aug 2025 CEST

Forecast update in hr min s Forecast update imminent

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

Today's Mauvaise Greve sea temperature is 17.1° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for Mauvaise Greve this week:

The surf forecast for Mauvaise Greve over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 22) at 8AM. The primary swell is predicted to be 0.8m and 12s period with a secondary swell of 0.3m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Mauvaise Greve in the next 12 days are 4.0m 17s and forecast to arrive on Tuesday (Aug 26) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Sunday (Aug 24) at 8AM.

Wave Type	Time (CEST) & Date	Wave Height & Period
Next good surf (1 star+)	8AM (Fri 22nd Aug)	2.5ft (0.8m) 12s
Best Surf	11AM (Tue 26th Aug)	11ft (3.5m) 18s
Most Powerful	5PM (Tue 26th Aug)	13ft (4.0m) 17s

Table - best surf conditions forecast for Mauvaise Greve over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Mostly dry. Warm (max 24°C on Sun afternoon, min 15°C on Fri morning). Wind will be generally light.									Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Wed afternoon. Warm (max 26°C on Mon afternoon, min 14°C on Wed night). Wind will be generally light.
	Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27			Thursday 28
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	2	0	1	1	0	0	0	0	0	1	0	2	!	!	!	4	2	2	3	2	3
Swell Height Map See all maps
Wave Height (m) & direction (?)	WNW	WNW	WNW	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW
Period(s) (?)	12	11	10	9	9	8	8	8	10	9	9	22	18	17	16	14	14	13	13	13	13
Wave Graph (?)
Energy (?)	267	223	167	120	87	58	55	82	182	183	251	1098	8751	9960	6567	4094	3363	3020	3468	3045	2601
Wind (km/h)	NNW	N	NE	ESE	NE	E	E	NE	E	SSE	WNW	SW	W	W	SSW	SW	SW	SSW	WSW	WSW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	on	glass	glass	cross- on	cross- off	cross- off	cross- on	cross- off	off	cross- on	cross- off	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross- off
High Tide / height (m)		6:48PM 6.76		7:12AM 6.65	7:26PM 7.07		7:47AM 6.88	7:59PM 7.23		8:19AM 6.99		8:31PM 7.24	8:50AM 6.97		9:02PM 7.11	9:20AM 6.83		9:33PM 6.84	9:50AM 6.57		10:04PM 6.47
Low Tide / height (m)	12:44PM 0.88		1:09AM 0.46	1:24PM 0.54		1:47AM 0.19	2:00PM 0.33		2:21AM 0.09		2:34PM 0.28	2:54AM 0.16		3:06PM 0.38	3:25AM 0.36		3:38PM 0.60	3:55AM 0.69		4:08PM 0.94	4:25AM 1.10

	Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27			Thursday 28
Sunrise	7:18	-	-	7:18	-	-	7:20	-	-	7:22	-	-	7:22	-	-	7:24	-	-	7:26	-	-
Sunset	-	9:19	-	-	9:16	-	-	9:15	-	-	9:13	-	-	9:10	-	-	9:08	-	-	9:07	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2	1	1	2	2
Temp. °C	16	18	16	17	19	18	22	24	23	25	26	20	18	19	18	18	20	17	17	18	17
Feels °C (?)	15	16	14	16	16	15	19	19	19	23	25	18	15	15	14	15	16	15	13	13	15

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 - Finistere

Wind Update Recent clean conditions at Mauvaise Greve have likely become affected by the arrival of onshore winds (light winds from the NNW at Pilotage ROSCOFF 10 km from Mauvaise Greve). 0.7m 13s groundswell from the W with a 0.3m 4s local chop from the NNE and a 0.2m 8s swell from the W. 3 swells combining to make bigger set waves.
1 hour 34 minutes ago Mauvaise Greve

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1 h 34 min ago

13 km/h

NNW

Onshore

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Information about the Mauvaise Greve Surf forecast

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

Mauvaise Greve is 8 km (5 miles) from Roscoff. If you plan a holiday in Finistere - Brittany, look for hotels and other accommodation in Roscoff. Roscoff has rooms for a wide range of budgets as well as car hire and transport links.