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Surf Forecasts:
Dame Jouanne surfForecast / Brittany – Ile et Vilaine / France
48hr Weather and Surf, issued 1 pm 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 6PM is: 0.9m 12s primary swell from a West-northwest direction (forecast issued at 01:00pm May 18). The wind direction is predicted to be cross-offshore.
| 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 4mm), mostly falling on Mon night. Very mild (max 19°C on Wed afternoon, min 11°C on Mon night). Winds decreasing (fresh winds from the S on Mon night, calm by Wed night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 11 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | |
294 | 215 | 211 | 157 | 149 | 101 | 99 | 85 | 72 | 74 | 72 | 72 | 132 | 135 | 180 | 222 | 668 | 714 | 586 | 491 | 414 | 317 | 283 | 203 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | glassy | glassy | cross-off | cross-off | off | |
High Tide | 8:54AM12.47m | 9:15PM12.50m | 9:38AM12.17m | 9:59PM12.14m | 10:25AM11.59m | 10:47PM11.54m | ||||||||||||||||||
Low Tide | 3:45PM1.30m | 4:10AM1.22m | 4:32PM1.63m | 4:59AM1.57m | 5:22PM2.14m | 5:50AM2.10m | ||||||||||||||||||
 |  | | |  |  | | |  |  | | | |  | | | | | | | | |  | | |
 | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — |
 | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:47 | — | — | — | 9:49 |
— | — | — | — | — | 1 | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 14 | 15 | 13 | 12 | 11 | 12 | 14 | 16 | 17 | 18 | 17 | 14 | 12 | 12 | 14 | 16 | 18 | 19 | 18 | 16 | 15 | 15 | 14 |
9 | 10 | 10 | 8 | 7 | 5 | 5 | 9 | 11 | 12 | 13 | 12 | 10 | 7 | 7 | 10 | 12 | 16 | 18 | 18 | 16 | 14 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | 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 11 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 |
 kJ | 294 | 215 | 211 | 157 | 149 | 101 | 99 | 85 | 72 | 74 | 72 | 72 | 132 | 135 | 180 | 222 | 668 | 714 | 586 | 491 | 414 | 317 | 283 | 203 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 15 | W 15 | W 18 | NW 17 | WNW 16 | WNW 15 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 6 | 12 | 51 | 188 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | — | NW 13 | WNW 16 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 7 | 84 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 3 | SSW 3 | SSW 3 | SSW 4 | SSW 4 | SW 4 | SW 4 | WSW 4 | W 4 | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | — | — | — | — | — | — |
| kJ | — | — | — | 3 | 4 | 9 | 22 | 21 | 10 | 10 | 9 | 9 | 3 | 5 | 9 | 6 | 4 | 2 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 61 | 98 | 121 | 353 | 353 | 353 | 353 | 353 | 581 | 295 | 207 | 207 | 111 | 111 | 111 | 187 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Ile et Vilaine - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
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