Lostmarc'h Surf Break

Lat Long: 48.21° N 4.56° W

Lostmarc'h WaveFinder

Issued: 7 am 08 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lostmarc'h sea temperature is
17.5°C
1.9° 

Lostmarc'h surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Lostmarc'h surf forecast from 8 Oct 2026:

  • Best quality surf: Tuesday 13 Oct, 11PM (local time) - 5.5ft (1.7m), 10s period, W swell with glassy winds.
  • Most powerful swell: Thursday 15 Oct, 5AM (local time) - 8ft (2.5m), 13s period, WNW swell with 2,283 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 13 Oct, 11PM (local time) - 5.5ft (1.7m), 10s period with W 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 Tuesday (Oct 13) at 11PM. 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 Lostmarc'h in the next 16 days are 2.5m 13s and forecast to arrive on Thursday (Oct 15) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 5s period and expected on Monday (Oct 12) at 8PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 13th Oct)5.5ft (1.7m) 10s
Best Surf11PM (Tue 13th Oct)5.5ft (1.7m) 10s
Most Powerful 5AM (Thu 15th Oct)8ft (2.5m) 13s

Table - best surf conditions forecast for Lostmarc'h over the next 16 days.


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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
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  • Ocean Swells (m)
  • Wind Speed (km/h)
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