Surf Forecasts:
Les Roches Blanches surf forecast from 11 Sep 2026:
- Best quality surf: Friday 18 Sep, 8AM (local time) - 4.5ft (1.4m), 12s period, WNW swell with glassy winds.
- Most powerful swell: Wednesday 16 Sep, 11AM (local time) - 6.5ft (2.0m), 10s period, WNW swell with 794 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 2PM (local time) - 4.5ft (1.3m), 9s period with W swell.
Best Forecast Surf Conditions for Les Roches Blanches this week:
The surf forecast for Les Roches Blanches over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 2PM. The primary swell is predicted to be 1.3m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Les Roches Blanches in the next 16 days are 2.0m 10s and forecast to arrive on Wednesday (Sep 16) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Monday (Sep 14) at 5PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Fri 11th Sep) | 4.5ft (1.3m) 9s |
| Best Surf | 8AM (Fri 18th Sep) | 4.5ft (1.4m) 12s |
| Most Powerful | 11AM (Wed 16th Sep) | 6.5ft (2.0m) 10s |
Table - best surf conditions forecast for Les Roches Blanches over the next 16 days.
Short Range ForecastMostly dry. Warm (max 21°C on Sun afternoon, min 14°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Mon afternoon, min 14°C on Wed night). Winds increasing (light winds from the ESE on Mon morning, fresh winds from the NNW by Tue afternoon). | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | W 10 | W 9 | W 8 | W 8 | W 10 | WNW 12 | WNW 11 | WNW 11 | W 10 | W 9 | W 9 | W 8 | W 8 | WNW 10 | WNW 8 | WNW 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 349 | 224 | 132 | 108 | 200 | 404 | 423 | 392 | 148 | 106 | 102 | 69 | 68 | 530 | 494 | 794 | 689 | 572 | 300 | 205 | 110 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | on | glassy | cross-off | cross | cross-off | cross-off | glassy | cross-off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-on |
High Tide | 5:34PM4.96m | 5:54AM4.78m | 6:09PM4.96m | 6:27AM4.77m | 6:43PM4.83m | 6:59AM4.66m | 7:15PM4.59m | 7:30AM4.46m | 7:47PM4.28m | 8:02AM4.18m | 8:19PM3.92m | 8:36AM3.85m | 8:55PM3.55m | ||||||||
Low Tide | 11:32AM0.00m | 11:55PM-0.13m | 12:10PM-0.07m | 00:31AM-0.09m | 12:46PM-0.01m | 1:05AM0.06m | 1:21PM0.17m | 1:38AM0.32m | 1:55PM0.45m | 2:11AM0.65m | 2:31PM0.79m | 2:45AM1.01m | 3:09PM1.17m | 3:24AM1.37m | |||||||
 | |  | | | |  | | | | | | | | | | |  |  |  | | |
 | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:56 | — | — |
 | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:27 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 18 | 20 | 18 | 16 | 19 | 17 | 19 | 21 | 19 | 21 | 25 | 24 | 18 | 18 | 16 | 16 | 17 | 15 | 17 | 17 | 17 |
Feels °C | 17 | 18 | 16 | 16 | 17 | 16 | 18 | 19 | 19 | 21 | 24 | 23 | 15 | 13 | 11 | 12 | 12 | 11 | 15 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 8 | W 8 | W 10 | WNW 12 | WNW 11 | WNW 11 | W 10 | W 9 | W 9 | W 8 | W 8 | W 11 | WNW 8 | WNW 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 9 |
| kJ | 349 | 224 | 132 | 108 | 200 | 404 | 423 | 392 | 148 | 106 | 102 | 69 | 68 | 110 | 494 | 794 | 689 | 572 | 300 | 205 | 110 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WNW 10 | WNW 14 | — | — | — | WNW 10 | WNW 9 | NW 10 | NW 9 | W 11 | — | — | — | — | — | — | — | WNW 13 |
| kJ | — | — | — | 10 | 73 | — | — | — | 97 | 35 | 24 | 20 | 62 | — | — | — | — | — | — | — | 64 |
Swell 3 Height (m) Direction Period (s) | — | — | — | WNW 16 | — | — | — | — | — | — | — | W 13 | S 3 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 25 | — | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 3 | S 4 | NW 3 | WNW 10 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 530 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 16 | 37 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 534 | 1712 | 36 | 16 | 37 | 16 | 195 | 37 | 11 |
Best forecast wave conditions in Finistere - Brittany | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
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Information about the Les Roches Blanches Surf forecast
The above surf forecast table for Les Roches Blanches provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Les Roches Blanches can be found by selecting the local surf guide option on the grey menu. Our Les Roches Blanches 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 (Les Roches Blanches) 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 Les Roches Blanches 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.
Les Roches Blanches is 3 km (2 miles) from the city of Douarnenez. If you plan a holiday in Finistere - Brittany, look for hotels and other accommodation in Douarnenez. Douarnenez has rooms for a wide range of budgets as well as car hire and transport links.
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