Lostmarc'h Surf Break

Lat Long: 48.21° N 4.56° W

Lostmarc'h 48 hour detailed Surf Forecast

Issued: 7 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lostmarc'h sea temperature is
19.2° C
1.2° 

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 (05 Aug):

  • Morning surf: Morning surf (05 Aug, local time) - 5ft (1.6m), 7s period with W swell.
  • Afternoon surf: Afternoon surf (05 Aug, local time) - 5ft (1.6m), 8s period with WNW swell.
  • Evening surf: Evening surf (05 Aug, local time) - 5ft (1.5m), 7s period with WNW swell.

The current surf forecast for Lostmarc'h at 1AM is: 1.1m 7s primary swell from a West direction and 0.7m 6s secondary swell from a South-southwest direction, 0.4m 8s secondary swell from a West direction (forecast issued at 07:00pm August 04). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (05 Aug)5ft (1.6m)7s
Afternoon (05 Aug)5ft (1.6m)8s
Evening (05 Aug)5ft (1.5m)7s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Fri afternoon, min 15°C on Thu night). Wind will be generally light.

Tue
4
Wednesday
5
Thursday
6
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
1
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)
1.1
SW
7
1.2
SW
7
1.2
SW
7
1.1
W
7
1.3
W
6
1.6
W
7
1.7
W
7
1.7
WNW
8
1.7
WNW
7
1.5
WNW
7
1.4
WNW
7
1.3
WNW
7
1.3
WNW
7
1.2
WNW
7
1.1
NW
6
1
NW
6
0.9
WNW
6
0.9
NW
6
0.8
NW
6
Wave Graph
Metric surfscale
Energy kJ
118
131
127
110
137
222
279
336
302
242
203
163
138
116
97
80
69
62
42
Wind (km/h)
25
SW
25
SW
25
WSW
25
W
20
WNW
20
NW
20
WNW
20
WNW
25
WNW
20
WNW
15
NNW
15
NNW
10
NNW
5
N
5
WNW
20
WNW
25
NW
25
NNW
20
NNE
Wind State
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross-on
cross-on
cross-on
cross
cross-off
High Tide
9:21PM4.97m
9:46AM4.72m
10:08PM4.69m
10:38AM4.47m
Low Tide
3:16PM0.84m
3:41AM0.85m
4:01PM1.05m
4:30AM1.11m
4:58PM1.29m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:51
9:49
9:47
 mm
Temp °C
20
19
19
18
18
17
18
18
17
18
17
17
16
16
17
17
18
18
16
Feels °C
18
17
17
15
16
14
15
14
13
14
14
15
14
15
16
13
14
14
13
  • 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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