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Ste Marguerite Surf Forecast
/ Loire Atlantique (9 surf breaks) /
Surf Forecasts:
Ste Marguerite surfForecast / Loire Atlantique / France
48hr Weather and Surf, issued 7 pm Monday 25 Aug 2025 CEST
How big are the waves at Ste Marguerite today?
The current surf forecast for Ste Marguerite at 9PM is: 0.3m 20s primary swell from a West-southwest direction and 0.6m 9s secondary swell from a West direction, 0.2m 3s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 25). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | - | - |
| Afternoon (25 Aug) | 2ft (0.6m) | 9s |
| Evening (25 Aug) | 1ft (0.3m) | 20s |
Table - waves today at Ste Marguerite. (Swell directed towards the surf break)
Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 20 | 20 | 21 | 20 | 18 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 143 | 152 | 173 | 605 | 1210 | 1928 | 2872 | 4716 | 4612 | 4772 | 4121 | 2305 | 2218 | 2076 | 1613 | 1419 | 1948 | 1833 | 1779 | 987 | 752 | 608 | 938 | 650 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | cross- on | cross | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 6:48PM 4.63 | 7:04AM 4.36 | 7:17PM 4.52 | 7:32AM 4.27 | 7:46PM 4.33 | 8:01AM 4.13 | ||||||||||||||||||
Low Tide / height (m) | 1:25AM 0.10 | 1:38PM 0.21 | 2:00AM 0.27 | 2:13PM 0.41 | 2:34AM 0.53 | |||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:18 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:22 | - | - |
| Sunset | - | 9:02 | - | - | - | - | - | - | - | 9:01 | - | - | - | - | - | - | - | 9:00 | - | - | - | - | - | - |
 | |  | | |  | | | |  | | | | | | | |  |  | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 4 | - | - | - | 1 | 2 |
| Temp. °C | 21 | 21 | 20 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 19 | 18 | 17 | 16 | 17 | 18 | 19 |
| Feels °C (?) | 18 | 19 | 18 | 18 | 17 | 18 | 18 | 19 | 17 | 17 | 17 | 17 | 17 | 18 | 17 | 16 | 17 | 16 | 15 | 15 | 14 | 15 | 14 | 14 |
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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 Loire Atlantique
The wind is still cross-on at Ste Marguerite (light winds from the SSW at Saint -Nazaire -Montoir 15 km from Ste Marguerite). 0.6m 9s swell from the W with a 0.2m 14s groundswell, also from the W and a 0.2m 23s long period groundswell, also from the WSW as well as a 0.2m 2s local chop, also from the W. 4 swells combining to make bigger set waves.
1 h 11 min ago
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