Surf Forecasts:
Les Roches Blanches surf forecast from 31 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 2AM (local time) - 5.5ft (1.7m), 10s period, W swell with glassy winds.
- Most powerful swell: Monday 31 Aug, 11AM (local time) - 8ft (2.4m), 10s period, W swell with 1,137 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 2AM (local time) - 5.5ft (1.7m), 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 Tuesday (Sep 01) at 2AM. The primary swell is predicted to be 1.7m and 10s period. 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 2.4m 10s and forecast to arrive on Monday (Aug 31) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Wednesday (Sep 02) at 8AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 1st Sep) | 5.5ft (1.7m) 10s |
| Best Surf | 2AM (Tue 1st Sep) | 5.5ft (1.7m) 10s |
| Most Powerful | 11AM (Mon 31st Aug) | 8ft (2.4m) 10s |
Table - best surf conditions forecast for Les Roches Blanches over the next 16 days.
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 15°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Thu afternoon, min 14°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||
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 10 | W 10 | W 9 | W 9 | W 8 | W 8 | W 7 | W 8 | W 8 | W 8 | W 9 | W 10 | W 10 | WNW 12 | WNW 13 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1137 | 847 | 546 | 235 | 127 | 66 | 33 | 155 | 260 | 187 | 185 | 210 | 262 | 459 | 767 | 953 | 694 | 366 | 173 | 90 | 29 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | on | cross-on | cross-on | cross | cross-off | cross-on |
High Tide | 7:16PM4.74m | 7:35AM4.57m | 7:52PM4.56m | 8:13AM4.39m | 8:33PM4.28m | 8:56AM4.12m | 9:21PM3.93m | 9:50AM3.80m | 10:26PM3.56m | 11:08AM3.52m | 00:03AM3.34m | 12:54PM3.50m | 1:50AM3.45m | ||||||||
Low Tide | 1:20PM0.22m | 1:40AM0.22m | 1:55PM0.35m | 2:16AM0.42m | 2:34PM0.57m | 2:57AM0.70m | 3:22PM0.86m | 3:48AM1.03m | 4:23PM1.17m | 4:58AM1.34m | 5:51PM1.38m | 6:34AM1.46m | 7:32PM1.30m | ||||||||
 |  |  | | | | | | | | | |  | | | | |  | | | | |
 | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:37 | — | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — |
 | — | — | 9:00 | — | 8:59 | — | — | 8:57 | — | — | 8:54 | — | — | 8:52 | — | — | 8:51 | — | — | 8:49 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 19 | 17 | 17 | 19 | 17 | 18 | 20 | 19 | 20 | 21 | 19 | 20 | 21 | 18 | 16 | 21 | 20 | 18 | 24 | 21 |
Feels °C | 15 | 15 | 15 | 17 | 17 | 16 | 16 | 18 | 18 | 19 | 20 | 19 | 19 | 20 | 16 | 15 | 18 | 15 | 14 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | W 8 | SW 15 | W 8 | W 8 | SW 15 | W 9 | W 10 | W 10 | WNW 12 | WNW 13 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 9 |
| kJ | 1137 | 847 | 546 | 235 | 127 | 66 | 33 | 9 | 260 | 187 | 8 | 210 | 262 | 459 | 767 | 953 | 694 | 366 | 173 | 90 | 24 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SW 16 | SW 16 | SW 16 | — | SW 15 | SW 15 | SW 14 | SW 14 | WNW 11 | SW 14 | SW 14 | S 13 | SW 13 | S 13 | S 12 | — | NW 9 |
| kJ | — | — | — | — | 11 | 10 | 10 | — | 8 | 8 | 8 | 8 | 73 | 8 | 8 | 3 | 7 | 3 | 3 | — | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | — | — | — | — | — | — | — | WSW 17 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | 29 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | WSW 5 | W 7 | — | — | W 8 | — | — | — | — | — | — | — | SE 2 | SSE 5 | SSE 4 |
| kJ | — | — | — | — | — | — | 12 | 155 | — | — | 185 | — | — | — | — | — | — | — | 1 | 6 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 37 | 36 | 0 | 0 | 0 | 0 | 83 | 31 | 0 | 31 | 27 | 0 | 27 | 36 | 11 | 1 | 11 | 1 | 1 | 0 | 1 |
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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