Lostmarc'h Surf Break

Lat Long: 48.21° N 4.56° W

Lostmarc'h 48 hour detailed Surf Forecast

Issued: 1 pm 11 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 (11 Jul):

  • Morning surf: Morning surf (11 Jul, local time) - 2.5ft (0.7m), 10s period with WNW swell.
  • Afternoon surf: Afternoon surf (11 Jul, local time) - 2.5ft (0.8m), 10s period with WNW swell.
  • Evening surf: Evening surf (11 Jul, local time) - 2ft (0.6m), 9s period with WNW swell.

The current surf forecast for Lostmarc'h at 8PM is: 0.6m 10s primary swell from a West-northwest direction (forecast issued at 01:00pm July 11). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (CEST) & DateWave HeightWave Period
Morning (11 Jul)2.5ft (0.7m)10s
Afternoon (11 Jul)2.5ft (0.8m)10s
Evening (11 Jul)2ft (0.6m)9s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Sun night. Warm (max 33°C on Sat afternoon, min 18°C on Mon night). Winds decreasing (fresh winds from the NE on Sat night, calm by Mon night).

Sat
11
Sunday
12
Monday
13
Tue
14
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
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.9
WNW
10
0.8
WNW
10
0.7
WNW
10
0.6
WNW
10
0.6
WNW
9
0.7
WNW
9
0.6
WNW
9
0.6
WNW
9
0.5
WNW
9
0.4
WNW
9
0.4
WNW
9
0.4
NW
8
0.4
NW
8
0.4
NW
8
0.3
NW
8
0.2
WNW
8
0.2
WNW
8
0.2
SSW
6
0.4
SW
6
0.5
SW
7
0.7
N
8
0.5
SW
6
0.3
W
12
0.3
W
12
Wave Graph
Metric surfscale
Energy kJ
140
109
98
71
65
71
53
53
45
31
30
18
17
17
10
6
6
4
9
21
64
19
26
25
Wind (km/h)
15
ENE
15
NNE
25
NNE
35
NE
30
ENE
30
ENE
25
NE
25
NE
25
ENE
20
ENE
20
WSW
15
NNW
20
NE
20
WSW
25
NE
25
NE
10
ESE
20
SW
15
WNW
10
WNW
0
NNW
5
N
15
NNE
5
ENE
Wind State
off
cross-off
cross-off
off
off
off
cross-off
off
off
off
on
cross
off
on
cross-off
cross-off
cross-off
on
cross-on
cross-on
glassy
glassy
cross-off
glassy
High Tide
2:50PM4.64m
3:24AM4.73m
3:54PM4.97m
4:26AM5.02m
4:50PM5.32m
5:20AM5.28m
Low Tide
8:31AM1.14m
9:08PM1.01m
9:39AM0.91m
10:13PM0.66m
10:39AM0.63m
11:11PM0.32m
clear
clear
part cloud
rain showers
light rain
part cloud
cloud
cloud
clear
thunderstorm
part cloud
cloud
part cloud
light rain
light rain
cloud
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:30
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:16
10:16
10:15
10:15
 mm
1
1
1
2
2
1
1
2
1
Temp °C
28
33
32
28
25
25
23
22
26
33
29
30
27
21
21
21
22
21
21
22
22
20
18
18
Feels °C
26
32
29
22
21
21
20
19
22
30
26
28
25
20
19
18
22
19
20
22
24
21
17
19
  • 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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