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Surf Forecasts:
St Jean de Monts surfForecast / Vendee / France
48hr Weather and Surf, issued 7 am Wednesday 17 Sep 2025 CEST
How big are the waves at St Jean de Monts today?
The current surf forecast for St Jean de Monts at 12PM is: 1.0m 11s primary swell from a West direction (forecast issued at 07:00am September 17). The wind direction is predicted to be onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 3.5ft (1.1m) | 11s |
| Afternoon (17 Sep) | 3ft (0.9m) | 10s |
| Evening (17 Sep) | 3ft (0.9m) | 10s |
Table - waves today at St Jean de Monts. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Sat 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 369 | 284 | 229 | 182 | 165 | 156 | 192 | 352 | 670 | 726 | 702 | 647 | 555 | 456 | 350 | 338 | 279 | 269 | 206 | 202 | 198 | 194 | 190 | 190 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | on | cross- on | cross- on | cross | glass | cross | cross | on | cross- on | cross- off | off | cross- off | cross- off | cross | cross | cross | cross- on | on | on | cross- on |
High Tide / height (m) | 2:38AM 3.28 | 2:59PM 3.60 | 3:36AM 3.56 | 3:50PM 3.91 | 4:18AM 3.81 | 4:29PM 4.16 | ||||||||||||||||||
Low Tide / height (m) | 7:56AM 1.26 | 8:40PM 0.97 | 9:03AM 0.99 | 9:39PM 0.67 | 9:56AM 0.67 | 10:25PM 0.39 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 7:47 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:16 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:13 | - | - |
 |  | | | | | | | | | | | | | | |  |  |  | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 19 | 21 | 24 | 25 | 25 | 24 | 22 | 21 | 22 | 20 | 20 | 21 | 20 |
| Feels °C (?) | 14 | 14 | 16 | 16 | 16 | 17 | 17 | 16 | 17 | 16 | 15 | 17 | 19 | 21 | 21 | 21 | 20 | 17 | 16 | 19 | 19 | 20 | 21 | 19 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Vendee
Continuing clean conditions at St Jean de Monts (light winds from the S.(Wind varies from 120 to 200 degs) at La Roche sur-Yon Aerodrome/Les Ajoncs Airport 54 km from St Jean de Monts). 1.0m 11s groundswell from the W to make surfable waves.
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