Lostmarc'h Surf Break

Lat Long: 48.21° N 4.56° W

Lostmarc'h 48 hour detailed Surf Forecast

Issued: 1 pm 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Lostmarc'h sea temperature is
20.0° C
3.0° 

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 (12 Jul):

  • Morning surf: Morning surf (12 Jul, local time) - 1.5ft (0.5m), 9s period with WNW swell.
  • Afternoon surf: Afternoon surf (12 Jul, local time) - 1.5ft (0.4m), 9s period with WNW swell.
  • Evening surf: Evening surf (12 Jul, local time) - 1.5ft (0.4m), 8s period with NW swell.

The current surf forecast for Lostmarc'h at 9PM is: 0.4m 8s primary swell from a Northwest direction (forecast issued at 01:00pm July 12). An open ocean swell of 0.2m 5s is not directed at the surf break, a second open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (CEST) & DateWave HeightWave Period
Morning (12 Jul)1.5ft (0.5m)9s
Afternoon (12 Jul)1.5ft (0.4m)9s
Evening (12 Jul)1.5ft (0.4m)8s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun night. Warm (max 34°C on Sun afternoon, min 18°C on Tue morning). Winds decreasing (strong winds from the ENE on Sun night, calm by Mon night).

Sun
12
Monday
13
Tuesday
14
Wed
15
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
2 AM
5 AM
8 AM
Rating
(10 max)
1
0
0
0
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)
0.5
WNW
9
0.4
WNW
9
0.4
NW
9
0.4
NW
8
0.4
NW
8
0.2
WNW
8
0.2
WNW
8
0.5
S
5
0.5
S
5
0.4
SSW
5
0.4
SSW
6
0.4
SSW
6
0.2
W
13
0.6
N
8
0.3
W
12
0.3
W
12
0.3
W
11
0.4
W
11
0.4
W
11
0.4
W
11
0.4
W
10
0.4
W
10
0.4
W
10
0.4
W
10
Wave Graph
Metric surfscale
Energy kJ
45
31
19
18
18
7
7
15
13
9
14
13
14
42
26
25
22
38
37
35
32
31
31
30
Wind (km/h)
25
ENE
25
ENE
30
NE
35
NE
45
ENE
25
E
10
NE
20
ENE
15
ENE
20
SW
15
WNW
5
NNW
10
NE
10
NE
5
NE
5
E
10
W
15
W
15
WNW
20
WNW
20
NNW
15
NNW
10
NNW
15
N
Wind State
off
off
off
off
off
cross-off
off
off
off
on
cross-on
glassy
off
off
off
glassy
on
on
cross-on
cross-on
cross
cross
cross
cross-off
High Tide
3:54PM4.97m
4:26AM5.02m
4:50PM5.32m
5:20AM5.28m
5:42PM5.62m
6:10AM5.46m
Low Tide
9:39AM0.91m
10:13PM0.66m
10:39AM0.63m
11:11PM0.32m
11:32AM0.37m
00:03AM0.06m
clear
clear
clear
part cloud
part cloud
light rain
cloud
light rain
rain showers
clear
rain showers
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:16
10:15
10:15
10:14
 mm
1
1
1
1
1
1
Temp °C
28
34
34
31
25
22
20
19
22
22
21
24
23
20
19
18
20
21
22
21
21
19
19
19
Feels °C
24
29
29
25
18
19
20
17
21
20
20
25
23
20
20
19
20
20
20
19
19
18
19
18
  • 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 

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