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Prefailles surfForecast / Loire Atlantique / France
12 Day Weather and Surf, issued 1 am Saturday 17 May 2025 CEST
Best Forecast Surf Conditions for Prefailles this week:
The surf forecast for Prefailles over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 18) at 2AM. The primary swell is predicted to be 1ft and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Prefailles in the next 12 days are 2ft 11s and forecast to arrive on Friday (May 23) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2ft 3s period and expected on Tuesday (May 20) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 18th May) | 1.5ft (0.4m) 13s |
| Best Surf | 2AM (Sun 18th May) | 1.5ft (0.4m) 13s |
| Most Powerful | 5PM (Fri 23rd May) | 2.5ft (0.7m) 11s |
Table - best surf conditions forecast for Prefailles over the next 12 days.
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (ft) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 13 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 12 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 46 | 24 | 55 | 41 | 61 | 20 | 18 | 16 | 16 | 15 | 24 | 39 | 34 | 73 | 32 | 17 | 42 | 14 | 14 | 116 | 32 | 67 | 67 | 67 | 88 | 92 | 92 | 75 | 52 | 50 | 50 | 85 | 164 | 79 | 57 | 57 |
Wind (mph) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | off | off | cross- off | off | off | cross- off | off | glass | cross | cross | cross- on | cross- on | cross | cross- off | cross- off | off | glass | cross | cross | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off |
High Tide / height (ft) | 8:04PM 12.66 | 8:27AM 11.68 | 8:51PM 12.14 | 9:20AM 11.09 | 9:49PM 11.71 | 10:30AM 10.73 | 11:05PM 11.58 | 12:02PM 10.83 | 12:32AM 11.94 | 1:23PM 11.55 | 1:44AM 12.7 | 2:24PM 12.53 | 2:42AM 13.62 | 3:14PM 13.58 | 3:34AM 14.4 | 4:00PM 14.47 | 4:22AM 14.93 | 4:44PM 15.09 | 5:08AM 15.09 | 5:28PM 15.39 | 5:54AM 14.9 | 6:12PM 15.29 | ||||||||||||||
Low Tide / height (ft) | 2:43PM 3.22 | 3:14AM 3.22 | 3:31PM 3.67 | 4:07AM 3.54 | 4:27PM 3.97 | 5:07AM 3.61 | 5:29PM 4 | 6:10AM 3.31 | 6:34PM 3.67 | 7:14AM 2.66 | 7:38PM 2.95 | 8:13AM 1.84 | 8:37PM 2.03 | 9:09AM 0.98 | 9:32PM 1.02 | 10:01AM 0.3 | 10:25PM 0.16 | 10:50AM -0.1 | 11:16PM -0.43 | 11:39AM -0.23 | 12:05AM -0.62 | 12:27PM 0 | 12:55AM -0.43 | |||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | |||||||||||||||||||||||||
| Sunrise | 6:31 | - | - | 6:30 | - | - | 6:28 | - | - | 6:28 | - | - | 6:26 | - | - | 6:24 | - | - | 6:24 | - | - | 6:22 | - | - | 6:22 | - | - | 6:22 | - | - | 6:20 | - | - | 6:20 | - | - |
| Sunset | - | 9:38 | - | - | 9:39 | - | - | 9:42 | - | - | 9:43 | - | - | 9:44 | - | - | 9:45 | - | - | 9:45 | - | - | 9:46 | - | - | 9:49 | - | - | 9:50 | - | - | 9:51 | - | - | 9:52 | - |
 | |  | |  | | | |  | | |  | | | | | | | | | |  | | | | | | | | | | |  |  | | | |
Rain (in) | - | - | - | - | - | - | - | - | 0.0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0.0 | 0.0 | - | - |
| Temp. °F | 54 | 64 | 66 | 59 | 68 | 68 | 61 | 72 | 72 | 63 | 72 | 72 | 59 | 63 | 61 | 59 | 63 | 63 | 57 | 61 | 59 | 59 | 61 | 61 | 59 | 59 | 59 | 57 | 59 | 59 | 57 | 59 | 61 | 63 | 61 | 59 |
| Feels °F (?) | 45 | 59 | 61 | 52 | 61 | 63 | 52 | 66 | 66 | 55 | 66 | 64 | 57 | 55 | 54 | 57 | 55 | 55 | 55 | 55 | 54 | 52 | 55 | 55 | 52 | 52 | 50 | 55 | 52 | 52 | 52 | 50 | 57 | 55 | 50 | 46 |
Short Range Forecast: Some drizzle, heaviest during Mon night. Warm (max 72°F on Mon afternoon, min 48°F on Sat morning). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 72°F on Tue afternoon, min 54°F on Thu morning). Wind will be generally light. | Days 6-9 Weather Summary Mostly dry. Very mild (max 61°F on Fri afternoon, min 54°F on Fri morning). Winds increasing (calm on Fri morning, fresh winds from the WNW by Sat night). | Long Range Forecast: Light rain (total 0.1in), mostly falling on Tue night. Very mild (max 63°F on Wed morning, min 54°F on Mon morning). Winds increasing (calm on Mon morning, fresh winds from the WNW by Wed afternoon). | |||||||||||||||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Prefailles surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Prefailles Surf forecast
The above surf forecast table for Prefailles provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Prefailles can be found by selecting the local surf guide option on the grey menu. Our Prefailles surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Prefailles) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Prefailles may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Prefailles is 17 km (11 miles) from Saint-Nazaire. If you plan a holiday in Loire Atlantique, look for hotels and other accommodation in Saint-Nazaire. Saint-Nazaire has rooms for a wide range of budgets as well as car hire and transport links.
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