Surf Forecasts:
Dame Jouanne surf forecast from 21 Aug 2026:
- Most powerful swell: Friday 21 Aug, 8AM (local time) - 3.5ft (1.0m), 10s period, WNW swell with 192 kJ wave energy.
Best Forecast Surf Conditions for Dame Jouanne this week:
The most powerful waves expected at Dame Jouanne in the next 16 days are 1.0m 10s and forecast to arrive on Friday (Aug 21) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Monday (Aug 24) at 5AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Fri 21st Aug) | 3.5ft (1.0m) 10s |
Table - best surf conditions forecast for Dame Jouanne over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 23°C on Sun afternoon, min 15°C on Sun morning). Winds increasing (calm on Sat morning, fresh winds from the NE by Sun night). | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Wed night. Warm (max 27°C on Mon afternoon, min 16°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the SSW by Wed morning). | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 8 | NW 8 | NW 8 | NE 4 | ENE 4 | NE 4 | ENE 4 | ENE 4 | NE 4 | NNE 5 | NW 11 | NW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 8 | WNW 9 | WNW 8 | W 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 164 | 73 | 27 | 31 | 15 | 24 | 13 | 22 | 42 | 28 | 24 | 33 | 5 | 4 | 9 | 8 | 8 | 7 | 25 | 13 | 35 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross | cross-on | cross | cross | cross-on | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 1:48PM8.61m | 2:31AM8.22m | 3:27PM8.13m | 4:26AM8.04m | 5:09PM8.34m | 5:48AM8.48m | 6:13PM8.96m | 6:40AM9.17m | 6:57PM9.70m | 7:19AM9.90m | 7:32PM10.45m | 7:51AM10.61m | 8:04PM11.15m | ||||||||
Low Tide | 8:18PM4.98m | 8:52AM5.27m | 9:46PM5.40m | 10:42AM5.46m | 11:48PM5.14m | 12:23PM4.95m | 00:56AM4.39m | 1:16PM4.18m | 1:39AM3.56m | 1:54PM3.40m | 2:14AM2.78m | 2:28PM2.70m | 2:46AM2.12m | ||||||||
 |  |  |  | |  | | | |  |  |  |  | |  | | | | | | | |
 | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | — | 9:13 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 |
mm | — | 3 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | 1 | — | 2 | — | — | — |
Temp °C | 18 | 18 | 17 | 18 | 20 | 19 | 18 | 23 | 22 | 19 | 27 | 24 | 21 | 24 | 23 | 20 | 25 | 23 | 17 | 22 | 21 |
Feels °C | 15 | 15 | 13 | 16 | 14 | 13 | 13 | 17 | 15 | 12 | 23 | 21 | 21 | 23 | 24 | 15 | 19 | 19 | 12 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | — | WNW 9 | WNW 8 | NW 8 | NW 8 | WNW 7 | NW 7 | W 7 | W 11 | W 10 | W 9 | NNE 5 | N 5 | NW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 4 | WNW 9 | WNW 8 | WNW 11 |
| kJ | — | 73 | 27 | 31 | 15 | 5 | 2 | 1 | 2 | 2 | 2 | 33 | 2 | 4 | 9 | 8 | 8 | 2 | 25 | 13 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | NNW 4 | WNW 8 | W 10 | W 9 | W 9 | W 8 | W 7 | — | — | W 9 | NW 11 | — | — | — | — | WNW 8 | — | — | — |
| kJ | — | — | 4 | 6 | 2 | 2 | 1 | 1 | 1 | — | — | 1 | 5 | — | — | — | — | 7 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | N 7 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 10 | N 4 | — | — | N 3 | NE 4 | ENE 4 | NE 4 | ENE 4 | ENE 4 | NE 4 | SE 3 | SE 3 | SSE 2 | SSW 2 | SSW 4 | SSW 4 | — | WSW 2 | SW 3 | W 4 |
| kJ | 164 | 5 | — | — | 7 | 24 | 13 | 22 | 42 | 28 | 24 | 1 | 1 | 1 | 1 | 10 | 13 | — | 1 | 6 | 35 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 136 | 234 | 110 | 68 | 68 | 186 | 282 | 175 | 274 | 274 | 167 | 16 | 97 | 146 | 169 | 269 | 463 | 97 | 174 | 122 | 542 |
Best forecast wave conditions in Ile et Vilaine - Brittany | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 16 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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