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Surf Forecasts:
Dame Jouanne surfForecast / Brittany – Ile et Vilaine / France
12 Day Weather and Surf, issued 1 pm Monday 08 Sep 2025 CEST
Best Forecast Surf Conditions for Dame Jouanne this week:
The surf forecast for Dame Jouanne over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 09) at 2AM. The primary swell is predicted to be 0.7m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Dame Jouanne in the next 12 days are 2.1m 16s and forecast to arrive on Monday (Sep 15) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Sep 14) at 2PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 9th Sep) | 2.5ft (0.7m) 10s |
| Best Surf | 2AM (Tue 9th Sep) | 2.5ft (0.7m) 10s |
| Most Powerful | 2PM (Mon 15th Sep) | 7ft (2.1m) 16s |
Table - best surf conditions forecast for Dame Jouanne over the next 12 days.
Short Range Forecast Light rain (total 3mm), mostly falling on Tue night. Warm (max 21°C on Tue afternoon, min 13°C on Mon night). Winds increasing (light winds from the NW on Mon night, fresh winds from the W by Wed night). | Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Sat morning. Warm (max 20°C on Fri afternoon, min 13°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||
Mon 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 5 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 16 | ||
Wave (?)Graph  | |||||||||||||||||||||||
| Energy (?) | 141 | 86 | 52 | 52 | 74 | 86 | 116 | 108 | 334 | 624 | 711 | 451 | 291 | 291 | 353 | 372 | 251 | 130 | 86 | 129 | 1192 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | ||
High Tide / height (m) | 8:42PM 12.81 | 9:02AM 12.74 | 9:19PM 13.18 | 9:38AM 12.94 | 9:56PM 13.16 | 10:16AM 12.77 | 10:35PM 12.76 | 10:55AM 12.24 | 11:15PM 11.99 | 11:36AM 11.41 | 12:00AM 10.94 | 12:24PM 10.37 | 12:55AM 9.76 | 1:27PM 9.32 | |||||||||
Low Tide / height (m) | 3:09PM 1.20 | 3:29AM 0.73 | 3:45PM 0.84 | 4:07AM 0.59 | 4:23PM 0.81 | 4:44AM 0.83 | 5:01PM 1.13 | 5:23AM 1.40 | 5:41PM 1.77 | 6:04AM 2.25 | 6:25PM 2.64 | 6:51AM 3.26 | 7:19PM 3.61 | 7:50AM 4.26 | |||||||||
Mon 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||
| Sunrise | - | - | 7:35 | - | - | 7:37 | - | - | 7:37 | - | - | 7:39 | - | - | 7:41 | - | - | 7:41 | - | - | 7:43 | ||
| Sunset | 8:37 | - | - | 8:35 | - | - | 8:32 | - | - | 8:30 | - | - | 8:28 | - | - | 8:25 | - | - | 8:23 | - | - | ||
 |  | |  |  | | | |  |  | | | |  |  | |  | | | | | |||
Rain (mm) | - | - | - | - | 1 | - | - | 1 | 1 | - | - | - | - | - | 2 | 1 | 3 | - | - | - | - | ||
| Temp. °C | 19 | 17 | 16 | 21 | 19 | 16 | 17 | 17 | 16 | 19 | 17 | 16 | 20 | 19 | 16 | 18 | 17 | 15 | 21 | 19 | 21 | ||
| Feels °C (?) | 16 | 15 | 13 | 15 | 13 | 12 | 13 | 14 | 10 | 12 | 10 | 11 | 15 | 14 | 11 | 13 | 14 | 13 | 18 | 14 | 18 | ||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Brittany - Ile et Vilaine
The wind is still cross-on at Dame Jouanne (light winds from the NW at St Lunaire 2 km from Dame Jouanne). 0.6m 5s windswell from the WNW with a 0.4m 10s swell, also from the WNW. 2 swells combining to make bigger set waves.
1 h 31 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dame Jouanne 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 Dame Jouanne Surf forecast
The above surf forecast table for Dame Jouanne provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Dame Jouanne can be found by selecting the local surf guide option on the grey menu. Our Dame Jouanne 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 (Dame Jouanne) 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 Dame Jouanne 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.
Are you planning a holiday in Ile et Vilaine - Brittany? If you are looking for accommodation near Dame Jouanne, camping, hotels and holiday cottages in Ile et Vilaine - Brittany, consider staying in Saint Malo which is 10 km (6 miles) away. Other places in and around Ile et Vilaine - Brittany where you can find information about places to rent, and car hire include Cancale which is 21 km (13 miles) away, Granville, Saint-Brieuc and Saint Helier.
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