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Dame Jouanne surfForecast / Brittany – Ile et Vilaine / France
48hr Weather and Surf, issued 7 am Sunday 17 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 11AM is: 0.8m 7s primary swell from a West-northwest direction and 0.2m 15s secondary swell from a West-northwest direction, 0.2m 12s secondary swell from a West-northwest direction (forecast issued at 07:00am May 17). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 2.5ft (0.7m) | 6s |
| Afternoon (17 May) | 1.5ft (0.4m) | 14s |
| Evening (17 May) | 2.5ft (0.8m) | 13s |
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 night. Very mild (max 17°C on Tue afternoon, min 9°C on Mon morning). Winds increasing (light winds from the W on Sun night, fresh winds from the S by Mon night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 6 | WNW 6 | WNW 7 | NW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | |
22 | 31 | 57 | 61 | 127 | 151 | 408 | 371 | 359 | 359 | 347 | 285 | 235 | 160 | 151 | 146 | 101 | 75 | 54 | 66 | 110 | 141 | 108 | 88 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-off | cross-off | |
High Tide | 8:10AM12.46m | 8:31PM12.56m | 8:54AM12.47m | 9:15PM12.50m | 9:38AM12.17m | 9:59PM12.14m | ||||||||||||||||||
Low Tide | 2:35AM1.28m | 2:58PM1.23m | 3:22AM1.11m | 3:45PM1.30m | 4:10AM1.22m | 4:32PM1.63m | ||||||||||||||||||
 |  | | | | |  | | |  | | | | | | | | | |  | |  | |  | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | 6:22 |
 | — | — | — | — | — | 9:44 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:46 | — | 9:47 |
1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 2 | 1 | — | — | 1 | — | — | — | — | |
Temp °C | 11 | 10 | 12 | 13 | 12 | 12 | 11 | 11 | 10 | 9 | 12 | 12 | 12 | 13 | 12 | 11 | 12 | 14 | 15 | 17 | 16 | 16 | 14 | 12 |
7 | 6 | 7 | 8 | 7 | 8 | 7 | 8 | 6 | 4 | 7 | 6 | 7 | 8 | 7 | 5 | 5 | 9 | 10 | 12 | 11 | 12 | 10 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 7 | WNW 13 | WNW 15 | NW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 9 | W 15 | W 15 | WNW 9 | WNW 9 |
 kJ | 10 | 17 | 22 | 54 | 127 | 151 | 408 | 371 | 359 | 359 | 347 | 285 | 235 | 160 | 151 | 146 | 101 | 75 | 54 | 66 | 4 | 4 | 108 | 88 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | NW 16 | WNW 12 | WNW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | — | W 14 | W 13 |
| kJ | 18 | 10 | 15 | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | — | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 |
| kJ | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | — | — | — | — | — | SW 3 | SW 3 | SW 3 | SSW 3 | SSW 3 | S 4 | SSW 4 | SW 4 | SW 3 | WNW 9 | WNW 9 | — | SW 3 |
| kJ | 22 | 31 | 57 | 61 | 62 | 68 | — | — | — | — | — | 2 | 2 | 2 | 3 | 9 | 17 | 13 | 14 | 6 | 110 | 141 | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 111 | 136 | 136 | 550 | 585 | 250 | 233 | 136 | 111 | 111 | 111 | 98 | 98 | 98 | 113 | 353 | 441 | 457 | 556 | 581 | 581 | 295 | 111 | 111 |
Best forecast wave conditions in Ile et Vilaine - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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