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Surf Forecasts:
Mauvaise Greve surfForecast / Brittany – Finistere / France
12 Day Weather and Surf, issued 1 pm Friday 17 Oct 2025 CEST
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 Monday (Oct 20) at 11PM. The primary swell is predicted to be 4.0m and 12s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Mauvaise Greve in the next 12 days are 6.5m 13s and forecast to arrive on Friday (Oct 24) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Sunday (Oct 19) at 11AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 20th Oct) | 13ft (4.0m) 12s |
| Best Surf | 11PM (Mon 20th Oct) | 13ft (4.0m) 12s |
| Most Powerful | 8AM (Fri 24th Oct) | 21ft (6.5m) 13s |
Table - best surf conditions forecast for Mauvaise Greve over the next 12 days.
Short Range Forecast Moderate rain (total 17mm), heaviest on Sun afternoon. Very mild (max 16°C on Fri afternoon, min 11°C on Sat morning). Mainly strong winds. | Days 3-6 Weather Summary Heavy rain (total 24mm), heaviest during Wed morning. Very mild (max 17°C on Wed afternoon, min 11°C on Tue night). Winds increasing (light winds from the SW on Tue night, gales from the SW by Wed night). | ||||||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  | ||||||||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 12 | 11 | 12 | 9 | 10 | 10 | 10 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 9 | 10 | 9 | 12 | 13 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 21 | 16 | 11 | 39 | 134 | 162 | 474 | 563 | 2184 | 6000 | 2814 | 1108 | 826 | 547 | 291 | 64 | 554 | 2852 | 1729 | 7532 | 11996 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | off | cross- off | cross | cross- off | cross | cross- on | cross | cross | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | ||
High Tide / height (m) | 4:43PM 5.84 | 5:14AM 5.89 | 5:27PM 6.21 | 5:50AM 6.27 | 6:01PM 6.52 | 6:20AM 6.59 | 6:32PM 6.76 | 6:49AM 6.82 | 7:01PM 6.91 | 7:17AM 6.96 | 7:31PM 6.95 | 7:45AM 6.98 | 8:00PM 6.87 | 8:13AM 6.87 | |||||||||
Low Tide / height (m) | 11:03PM 1.45 | 11:23AM 1.47 | 11:45PM 1.06 | 12:02PM 1.07 | 12:20AM 0.75 | 12:36PM 0.75 | 12:52AM 0.54 | 1:07PM 0.54 | 1:22AM 0.45 | 1:38PM 0.45 | 1:52AM 0.48 | 2:08PM 0.47 | 2:21AM 0.61 | ||||||||||
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||
| Sunrise | - | - | 8:40 | - | - | 8:41 | - | - | 8:42 | - | - | 8:44 | - | - | 8:45 | - | - | 8:47 | - | - | 8:48 | ||
| Sunset | 7:23 | - | - | 7:22 | - | - | 7:20 | - | - | 7:17 | - | - | 7:15 | - | - | 7:14 | - | - | 7:12 | - | - | ||
 |  |  | |  |  |  |  | | | | | | |  | |  | |  |  | | |||
Rain (mm) | - | - | - | - | 5 | 5 | 4 | 1 | 2 | 2 | - | 2 | - | - | 13 | 1 | 4 | 2 | 1 | 8 | 1 | ||
| Temp. °C | 16 | 15 | 11 | 15 | 15 | 16 | 16 | 14 | 14 | 15 | 14 | 14 | 15 | 13 | 16 | 17 | 17 | 12 | 12 | 13 | 13 | ||
| Feels °C (?) | 11 | 10 | 6 | 11 | 12 | 8 | 11 | 10 | 5 | 7 | 7 | 8 | 9 | 7 | 10 | 12 | 10 | 1 | 0 | 1 | 3 | ||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Brittany - Finistere
Cross-off winds at Mauvaise Greve are now cross-shore so expect speed-bumps in the surf (moderate winds from the ENE at Pilotage ROSCOFF 10 km from Mauvaise Greve). 0.3m 10s swell from the W to make surfable waves.
1 h 35 min ago
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mauvaise Greve surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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.
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