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Surf Forecasts:
Dame Jouanne surfForecast / Brittany – Ile et Vilaine / France
48hr Weather and Surf, issued 1 am Monday 18 May 2026 CESTForecast update in hr min s Forecast update imminent
Dame Jouanne surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dame Jouanne sea temperature is
13.5° C
(Which is slightly warmer than usual)How big are the waves at Dame Jouanne today?
The current surf forecast for Dame Jouanne at 7AM is: 1.0m 12s primary swell from a West-northwest direction (forecast issued at 01:00am May 18). The wind direction is predicted to be cross-shore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3.5ft (1.0m) | 12s |
| Afternoon (18 May) | 3ft (0.9m) | 12s |
| Evening (18 May) | 2.5ft (0.8m) | 11s |
Table - waves today at Dame Jouanne. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Mon morning. Warm (max 20°C on Wed afternoon, min 10°C on Mon morning). Winds decreasing (fresh winds from the S on Mon night, calm by Wed night). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | |
377 | 333 | 304 | 247 | 215 | 211 | 157 | 149 | 101 | 101 | 97 | 71 | 74 | 72 | 105 | 159 | 129 | 186 | 206 | 659 | 613 | 586 | 491 | 384 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | glassy | cross-off | |
High Tide | 8:54AM12.47m | 9:15PM12.50m | 9:38AM12.17m | 9:59PM12.14m | 10:25AM11.59m | 10:47PM11.54m | ||||||||||||||||||
Low Tide | 3:22AM1.11m | 3:45PM1.30m | 4:10AM1.22m | 4:32PM1.63m | 4:59AM1.57m | 5:22PM2.14m | ||||||||||||||||||
 |  |  |  | | |  | | | |  | | | | | |  | | |  | | | | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:47 | — |
— | 1 | — | 1 | — | — | — | — | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 9 | 10 | 11 | 12 | 13 | 13 | 12 | 11 | 12 | 14 | 16 | 17 | 17 | 16 | 14 | 12 | 12 | 13 | 15 | 18 | 20 | 18 | 16 |
6 | 5 | 7 | 7 | 8 | 8 | 8 | 7 | 5 | 6 | 10 | 10 | 11 | 12 | 11 | 10 | 7 | 7 | 9 | 11 | 15 | 18 | 17 | 15 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 |
 kJ | 377 | 333 | 304 | 247 | 215 | 211 | 157 | 149 | 101 | 101 | 97 | 71 | 74 | 72 | 105 | 159 | 129 | 186 | 206 | 659 | 613 | 586 | 491 | 384 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | W 15 | W 18 | NW 17 | WNW 16 | WNW 14 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 6 | 12 | 51 | 170 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | — | NW 13 | WNW 16 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 7 | 83 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SW 3 | SSW 3 | S 3 | S 4 | SSW 4 | SW 4 | SW 4 | W 4 | W 4 | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | — | — | — |
| kJ | — | — | — | — | — | — | 3 | 3 | 7 | 17 | 16 | 11 | 11 | 9 | 9 | 1 | 6 | 7 | 7 | 4 | 2 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 138 | 97 | 0 | 0 | 98 | 98 | 98 | 98 | 353 | 353 | 305 | 457 | 581 | 551 | 295 | 111 | 216 | 111 | 111 | 111 | 0 | 61 | 0 | 0 |
Best forecast wave conditions in Ile et Vilaine - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
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