Lostmarc'h Surf Break

Lat Long: 48.21° N 4.56° W

Lostmarc'h 48 hour detailed Surf Forecast

Issued: 7 pm 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lostmarc'h sea temperature is
19.0° C
1.0° 

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 (04 Aug):

  • Morning surf: Morning surf (04 Aug, local time) - 4ft (1.2m), 8s period with WSW swell.
  • Afternoon surf: Afternoon surf (04 Aug, local time) - 4ft (1.2m), 7s period with WSW swell.
  • Evening surf: Evening surf (04 Aug, local time) - 4ft (1.2m), 7s period with SW swell.

The current surf forecast for Lostmarc'h at 2AM is: 0.8m 8s primary swell from a West-southwest direction and 0.1m 6s secondary swell from a North direction, 0.4m 3s secondary swell from a Southwest direction (forecast issued at 07:00pm August 03). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (04 Aug)4ft (1.2m)8s
Afternoon (04 Aug)4ft (1.2m)7s
Evening (04 Aug)4ft (1.2m)7s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Mon night, min 16°C on Wed night). Wind will be generally light.

Mon
3
Tuesday
4
Wednesday
5
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)
0
0
0
0
0
0
0
0
0
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
Wave
Height (m)
Direction
Period (s)
0.7
WSW
8
0.7
WSW
8
0.8
WSW
8
0.8
WSW
8
1.1
WSW
8
1.2
WSW
8
1.2
WSW
8
1.1
SW
7
1.2
WSW
7
1.2
SW
7
1.2
WSW
7
1.3
WSW
6
1.3
W
6
1.4
W
7
1.6
W
7
1.6
W
8
1.6
WNW
7
1.4
WNW
7
1.3
WNW
7
Wave Graph
Metric surfscale
Energy kJ
73
72
90
87
155
155
161
122
127
127
116
140
132
173
254
300
252
197
173
Wind (km/h)
20
WSW
15
WSW
10
SW
15
S
20
SSW
15
SW
20
SW
20
SSW
25
SW
20
WSW
20
WSW
25
W
20
W
20
WNW
20
WNW
25
W
20
WNW
20
NW
15
NW
Wind State
on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
8:41PM5.18m
9:03AM4.92m
9:21PM4.97m
9:46AM4.72m
10:08PM4.69m
Low Tide
2:37PM0.67m
3:01AM0.64m
3:16PM0.84m
3:41AM0.85m
4:01PM1.05m
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
cloud
clear
clear
clear
clear
clear
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:52
9:51
9:49
 mm
Temp °C
20
20
20
19
20
19
19
19
20
19
19
19
17
17
18
18
18
17
17
Feels °C
17
19
21
19
19
18
18
17
18
17
17
16
14
14
15
14
15
14
15
  • 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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