Surf Forecasts:
Les Roches Blanches surf forecast from 20 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 11PM (local time) - 7.5ft (2.3m), 9s period, SSW swell with offshore winds.
- Most powerful swell: Tuesday 25 Aug, 11PM (local time) - 7.5ft (2.3m), 9s period, SSW swell with 807 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 2PM (local time) - 1.5ft (0.5m), 10s 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 Saturday (Aug 22) at 2PM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.4m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Les Roches Blanches in the next 16 days are 2.3m 9s and forecast to arrive on Tuesday (Aug 25) at 11PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Tuesday (Aug 25) at 5PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Sat 22nd Aug) | 1.5ft (0.5m) 10s |
| Best Surf | 11PM (Tue 25th Aug) | 7.5ft (2.3m) 9s |
| Most Powerful | 11PM (Tue 25th Aug) | 7.5ft (2.3m) 9s |
Table - best surf conditions forecast for Les Roches Blanches over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Thu morning. Warm (max 21°C on Sat afternoon, min 13°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Mon afternoon. Warm (max 28°C on Mon afternoon, min 16°C on Sun morning). Winds increasing (light winds from the ENE on Mon night, fresh winds from the S by Tue afternoon). | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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) | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 8 | W 10 | W 9 | W 9 | W 9 | WSW 10 | WSW 10 | SW 9 | SW 9 | SW 8 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 564 | 710 | 574 | 370 | 405 | 149 | 46 | 42 | 25 | 7 | 38 | 36 | 21 | 20 | 17 | 51 | 61 | 647 | 423 | 221 | 111 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross | cross | cross-on | cross-on | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy |
High Tide | 10:07AM3.46m | 10:34PM3.21m | 11:12AM3.18m | 11:58PM2.98m | 12:54PM3.08m | 1:49AM2.99m | 2:28PM3.23m | 3:02AM3.22m | 3:24PM3.52m | 3:48AM3.51m | 4:04PM3.84m | 4:23AM3.82m | 4:38PM4.15m | 4:56AM4.10m | |||||||
Low Tide | 4:45PM1.51m | 5:11AM1.65m | 6:00PM1.75m | 6:37AM1.81m | 7:38PM1.77m | 8:10AM1.72m | 8:56PM1.56m | 9:16AM1.46m | 9:48PM1.26m | 10:02AM1.15m | 10:27PM0.94m | 10:39AM0.84m | 11:02PM0.65m | ||||||||
 |  |  | | |  |  | | | | | | | |  | | | |  | | | |
 | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — |
 | — | — | 9:22 | — | — | 9:21 | — | — | 9:19 | — | — | 9:16 | — | — | 9:15 | — | — | 9:13 | — | — | 9:10 |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — | 2 | 1 | — |
Temp °C | 19 | 20 | 18 | 18 | 19 | 18 | 17 | 21 | 21 | 21 | 26 | 24 | 23 | 28 | 22 | 21 | 22 | 19 | 20 | 22 | 19 |
Feels °C | 16 | 16 | 15 | 15 | 15 | 14 | 15 | 19 | 20 | 15 | 21 | 17 | 16 | 22 | 22 | 19 | 19 | 18 | 16 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | SW 14 | WNW 10 | WNW 10 | WNW 9 | WNW 8 | NW 8 | W 9 | W 9 | W 9 | WSW 10 | WSW 10 | SW 9 | SW 9 | SW 8 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | W 8 |
| kJ | 564 | 8 | 574 | 370 | 287 | 149 | 28 | 42 | 25 | 6 | 38 | 36 | 21 | 20 | 17 | 51 | 61 | 547 | 423 | 221 | 111 |
Swell 2 Height (m) Direction Period (s) | SW 14 | — | SW 14 | SW 13 | SW 13 | SW 16 | W 10 | NW 7 | NW 7 | WNW 7 | NW 6 | S 6 | SE 6 | W 9 | WNW 12 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | WNW 8 | W 11 |
| kJ | 8 | — | 7 | 7 | 7 | 9 | 46 | 14 | 12 | 4 | 2 | 1 | 2 | 2 | 14 | 23 | 39 | 31 | 26 | 99 | 86 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 16 | SW 16 | — | SW 15 | SW 15 | SW 14 | SW 14 | SE 6 | W 6 | W 9 | W 8 | S 4 | W 8 | W 8 | W 8 | — | W 13 | — |
| kJ | — | — | — | 10 | 10 | — | 9 | 8 | 8 | 7 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | — | 3 | — |
Wind waves Height (m) Direction Period (s) | — | WNW 10 | — | — | WNW 9 | — | — | — | — | E 2 | E 3 | ENE 3 | E 3 | SSE 6 | — | S 5 | SSW 5 | SW 8 | — | — | SW 7 |
| kJ | — | 710 | — | — | 405 | — | — | — | — | 1 | 2 | 3 | 1 | 7 | — | 5 | 29 | 647 | — | — | 103 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 36 | 323 | 16 | 16 | 246 | 11 | 1 | 0 | 240 | 224 | 20 | 233 | 231 | 121 | 27 | 24 | 250 | 0 | 105 | 31 | 0 |
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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