Lostmarc'h Surf Break

Lat Long: 48.21° N 4.56° W

Lostmarc'h 48 hour detailed Surf Forecast

Issued: 7 am 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lostmarc'h sea temperature is
18.9°C
0.9° 

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


How big are the waves at Lostmarc'h today (22 Aug):

  • Morning surf: Morning surf (22 Aug, local time) - 2.5ft (0.8m), 8s period with NW swell.
  • Afternoon surf: Afternoon surf (22 Aug, local time) - 1.5ft (0.5m), 10s period with W swell.
  • Evening surf: Evening surf (22 Aug, local time) - 1.5ft (0.5m), 9s period with W swell.

The current surf forecast for Lostmarc'h at 2PM is: 0.7m 7s primary swell from a Northwest direction and 0.5m 10s secondary swell from a West direction (forecast issued at 07:00am August 22). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (22 Aug)2.5ft (0.8m)8s
Afternoon (22 Aug)1.5ft (0.5m)10s
Evening (22 Aug)1.5ft (0.5m)9s

Table - waves today at Lostmarc'h. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Mon afternoon. Warm (max 26°C on Sun afternoon, min 14°C on Sat morning). Winds decreasing (fresh winds from the ENE on Sun night, calm by Mon night).

Saturday
22
Sunday
23
Monday
24
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
1
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
NW
7
0.9
NW
8
0.8
NW
8
0.5
W
10
0.5
W
9
0.5
W
9
0.4
W
9
0.4
W
9
0.4
NW
7
0.3
W
9
0.3
W
9
0.4
SW
12
0.5
WSW
11
0.5
WSW
11
0.4
WSW
10
0.4
WSW
10
0.4
SW
10
0.4
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
9
Wave Graph
Metric surfscale
Energy kJ
102
107
75
52
43
41
25
24
16
13
13
40
74
66
39
38
24
22
21
21
29
28
27
Wind (km/h)
10
NNE
10
NE
10
ENE
15
WNW
10
NW
35
NNE
25
NE
25
NE
25
NE
25
ENE
25
ENE
15
E
20
ENE
35
NE
30
ENE
35
ENE
30
ENE
30
ENE
15
ENE
20
S
10
NE
10
NW
5
WSW
Wind State
cross-off
off
off
cross-on
cross-on
cross-off
off
cross-off
off
off
off
off
off
off
off
off
off
off
off
cross-on
off
cross
on
High Tide
1:11PM3.62m
2:07AM3.56m
2:44PM3.78m
3:21AM3.82m
3:43PM4.12m
Low Tide
6:46AM2.11m
7:43PM2.06m
8:20AM2.05m
9:05PM1.85m
9:29AM1.77m
10:01PM1.51m
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:20
9:17
9:15
 mm
1
Temp °C
14
14
15
18
19
20
17
18
17
17
20
25
26
24
20
21
20
19
21
20
18
20
20
Feels °C
11
12
13
15
16
14
12
13
12
12
14
21
22
17
14
14
13
12
17
17
17
19
20
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Lostmarc'h surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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