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Dame Jouanne surfForecast / Brittany – Ile et Vilaine / France
48hr Weather and Surf, issued 1 pm 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 4PM is: 0.5m 14s primary swell from a Northwest direction and 0.2m 12s secondary swell from a West-northwest direction, 0.8m 7s secondary swell from a West-northwest direction (forecast issued at 01:00pm 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 (0.7m) | 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 7mm), mostly falling on Mon night. Very mild (max 17°C on Tue afternoon, min 10°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 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 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | |
57 | 61 | 127 | 151 | 408 | 350 | 365 | 359 | 347 | 239 | 211 | 160 | 149 | 101 | 101 | 99 | 78 | 69 | 66 | 121 | 119 | 119 | 124 | 140 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross | cross-off | cross | cross-on | cross | cross-off | cross-off | 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 | 2:58PM1.23m | 3:22AM1.11m | 3:45PM1.30m | 4:10AM1.22m | 4:32PM1.63m | 4:59AM1.57m | ||||||||||||||||||
 |  | | |  |  | |  | | | | | | | | | |  | | |  | |  | | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — |
 | — | — | — | 9:44 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:46 | — | — | — | 9:47 |
— | — | — | — | 1 | — | 1 | — | — | — | — | — | — | 3 | 1 | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 12 | 14 | 15 | 17 | 16 | 17 | 13 | 12 | 13 | 14 |
7 | 8 | 8 | 8 | 7 | 7 | 5 | 6 | 6 | 6 | 7 | 7 | 6 | 5 | 6 | 8 | 10 | 11 | 12 | 14 | 9 | 7 | 8 | 10 | |
Swell 1 Height (m) Direction Period (s) | WNW 15 | NW 14 | WNW 14 | WNW 13 | — | WNW 12 | — | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 |
 kJ | 22 | 54 | 127 | 151 | — | 350 | — | 359 | 347 | 239 | 211 | 160 | 149 | 101 | 101 | 99 | 78 | 69 | 66 | 121 | 119 | 119 | 124 | 105 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | WNW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 3 | W 15 | W 14 | NW 18 | WNW 16 | WNW 16 |
| kJ | 15 | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 4 | 12 | 26 | 140 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | — | W 18 | W 13 | NW 13 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 6 | 3 | 7 | — |
Wind waves Height (m) Direction Period (s) | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 13 | — | WNW 12 | — | — | SW 3 | SW 3 | SW 3 | SSW 3 | SSW 4 | SSW 4 | SSW 4 | SW 3 | WSW 4 | WNW 4 | — | SW 3 | SW 3 | SW 3 | SW 4 |
| kJ | 57 | 61 | 62 | 68 | 408 | — | 365 | — | — | 2 | 2 | 3 | 6 | 14 | 23 | 9 | 7 | 7 | 8 | — | 1 | 3 | 7 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 136 | 550 | 585 | 250 | 138 | 136 | 98 | 111 | 111 | 98 | 98 | 98 | 121 | 353 | 353 | 457 | 564 | 581 | 581 | 295 | 207 | 207 | 353 | 111 |
Best forecast wave conditions in Ile et Vilaine - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
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