Lostmarc'h Surf Break

Lat Long: 48.21° N 4.56° W

Issued: 1 pm 12 Jun 2026 (local time)

Forecast update in  hr  min

Today's Lostmarc'h sea temperature is
16.3° C

1.3°C warmer than normal for this time of year

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 Jun):

  • Morning surf: Morning surf (12 Jun, local time) - 5.5ft (1.7m), 9s period with WNW swell.
  • Afternoon surf: Afternoon surf (12 Jun, local time) - 5.5ft (1.7m), 9s period with WNW swell.
  • Evening surf: Evening surf (12 Jun, local time) - 5.5ft (1.7m), 10s period with WNW swell.

The current surf forecast for Lostmarc'h at 8PM is: 1.8m 10s primary swell from a West-northwest direction (forecast issued at 01:00pm June 12). The wind direction is predicted to be cross-onshore.

Time (CEST) & DateWave HeightWave Period
Morning (12 Jun)5.5ft (1.7m)9s
Afternoon (12 Jun)5.5ft (1.7m)9s
Evening (12 Jun)5.5ft (1.7m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light.

Fri
12
Saturday
13
Sunday
14
Mon
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)
0
0
0
1
2
4
4
4
4
3
3
2
2
2
3
2
2
1
1
0
1
1
1
1
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)
1.7
WNW
9
1.7
WNW
9
1.7
WNW
9
1.8
WNW
10
1.7
WNW
11
1.9
WNW
12
2
WNW
12
2
WNW
12
2
WNW
12
2
WNW
12
2.1
WNW
12
2
WNW
12
1.9
WNW
12
1.7
WNW
11
1.6
WNW
11
1.4
WNW
11
1.3
WNW
10
1.2
WNW
10
1.1
WNW
10
1
WNW
10
0.9
WNW
10
0.7
WNW
10
0.7
WNW
9
0.6
WNW
9
Wave Graph
Metric surfscale
Energy kJ
436
474
495
575
643
1068
1121
1138
1138
1158
1200
1059
915
737
582
469
358
292
245
209
166
80
73
54
Wind (km/h)
15
WSW
15
WSW
15
W
10
NW
15
NNW
10
N
10
NNE
15
NNE
10
NNE
15
NW
20
N
25
NNE
20
NE
20
NE
20
NE
20
ENE
10
ENE
10
NNW
20
N
30
NNE
20
NE
20
ENE
15
E
15
E
Wind State
on
on
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
off
off
off
cross
cross-off
cross-off
off
off
off
off
High Tide
3:15PM4.87m
3:41AM5.03m
4:08PM5.19m
4:35AM5.28m
4:59PM5.47m
5:27AM5.45m
Low Tide
8:59AM0.86m
9:28PM0.79m
9:55AM0.61m
10:24PM0.47m
10:49AM0.40m
11:18PM0.20m
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:17
10:19
10:19
10:20
 mm
Temp °C
14
15
15
15
14
13
14
14
16
20
22
20
18
18
17
16
19
22
24
21
18
16
15
14
Feels °C
12
13
13
14
13
12
13
13
16
19
19
16
13
14
13
12
17
20
21
16
14
12
11
10
Swell 1
Height (m)
Direction
Period (s)
1.7
WNW
9
1.7
WNW
9
1.7
WNW
9
1.8
WNW
10
1.7
WNW
11
1.9
WNW
12
2
WNW
12
2
WNW
12
2
WNW
12
2
WNW
12
2.1
WNW
12
2
WNW
12
1.9
WNW
12
1.7
WNW
11
1.6
WNW
11
1.4
WNW
11
1.3
WNW
10
1.2
WNW
10
1.1
WNW
10
1
WNW
10
0.9
WNW
10
0.7
WNW
10
0.7
WNW
9
0.6
WNW
9
Energy kJ
436
474
495
575
643
1068
1121
1138
1138
1158
1200
1059
915
737
582
469
358
292
245
209
166
80
73
54
Swell 2
Height (m)
Direction
Period (s)
0.1
W
16
0.9
WNW
13
0.1
SW
16
0.1
SW
16
0.1
S
15
0.1
S
14
0.1
S
14
0.1
SE
5
0.1
SE
5
0.1
SE
5
0.5
W
10
0.3
W
10
0.4
W
10
Energy kJ
5
249
10
10
4
4
4
1
1
1
44
17
29
Swell 3
Height (m)
Direction
Period (s)
0.1
S
14
0.1
S
14
0.1
SW
14
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.2
NNE
3
Energy kJ
4
4
7
7
7
7
7
1
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
3
0.4
NE
3
0.6
NNE
4
0.6
NNE
4
0.4
NE
3
0.3
ENE
3
0.3
SE
5
Energy kJ
2
2
11
9
3
1
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
3
4
4
4
4
4
3
1
3
3
3
2
2
2
2
1
1
1
1
1
Distance (km)
9
9
9
7
2
0
0
0
0
2
7
7
2
2
0
0
0
2
15
13
0
0
0
0
Best forecast wave conditions in Finistere - Brittany
Rating
(10 max)
2
1
2
2
3
4
4
4
4
4
4
4
3
3
3
2
2
2
2
2
1
1
1
1
Best forecast wave conditions in France
Rating
(10 max)
2
1
2
2
3
4
4
4
4
4
4
4
3
3
3
3
3
2
2
2
1
2
1
1
Header Global
Rating
(10 max)
8
9
6
4
7
8
7
5
5
5
5
5
5
5
5
4
7
5
5
5
9
5
5
5
  • 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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