Lostmarc'h surf forecast from 23 Aug 2026:
- Best quality surf: Sunday 23 Aug, 5PM (local time) - 1.5ft (0.5m), 11s period, WSW swell with offshore winds.
- Most powerful swell: Saturday 29 Aug, 5AM (local time) - 11ft (3.5m), 10s period, W swell with 2,508 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 5PM (local time) - 1.5ft (0.5m), 11s period with WSW swell.
Best Forecast Surf Conditions for Lostmarc'h this week:
The surf forecast for Lostmarc'h over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 5PM. The primary swell is predicted to be 0.5m and 11s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Lostmarc'h in the next 16 days are 3.5m 10s and forecast to arrive on Saturday (Aug 29) at 5AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Aug 23) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Sun 23rd Aug) | 1.5ft (0.5m) 11s |
| Best Surf | 5PM (Sun 23rd Aug) | 1.5ft (0.5m) 11s |
| Most Powerful | 5AM (Sat 29th Aug) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Lostmarc'h over the next 16 days.
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Nearest