Lostmarc'h Surf Break
Lat Long: 48.21° N 4.56° W

Lostmarc'h 48 hour detailed Surf Forecast

Weather Forecast for Lostmarc'h

Issued: 1 am 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Lostmarc'h sea temperature is
17.0° C

2.8°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 (04 Jun):

  • Morning surf: Morning surf (04 Jun, local time) - 15ft (4.5m), 12s period with W swell.
  • Afternoon surf: Afternoon surf (04 Jun, local time) - 16ft (5.0m), 12s period with W swell.
  • Evening surf: Evening surf (04 Jun, local time) - 15ft (4.5m), 12s period with W swell.

The current surf forecast for Lostmarc'h at 8AM is: 4.5m 12s primary swell from a West direction (forecast issued at 01:00am June 04). The wind direction is predicted to be onshore.

Time (CEST) & DateWave HeightWave Period
Morning (04 Jun)15ft (4.5m)12s
Afternoon (04 Jun)16ft (5.0m)12s
Evening (04 Jun)15ft (4.5m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Fri night. Very mild (max 15°C on Fri afternoon, min 13°C on Thu morning). Winds increasing (light winds from the WSW on Fri morning, near gales from the WSW by Sat morning).

Thursday
4
Friday
5
Saturday
6
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
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
2
2
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4
W
11
4
W
11
4.5
W
12
4.5
W
12
4.5
W
12
5
W
12
4.5
W
12
4.5
W
12
4
W
12
4
W
12
3.5
W
12
3.5
W
12
3
W
12
3
W
12
2.5
W
11
1.9
WNW
11
1.6
W
11
3.5
WSW
9
4.5
WSW
11
4.5
W
12
4.5
W
12
4.5
W
12
4
W
12
3.5
W
12
Wave Graph
Metric surfscale
Energy kJ
3618
4417
5497
6056
6282
6797
6768
6354
5515
4694
3951
3198
2586
2188
1723
927
640
2194
5134
5625
5529
5320
4268
3039
Wind (km/h)
45
WSW
45
WSW
50
W
50
W
50
W
50
W
40
WNW
35
WNW
30
WNW
25
WNW
20
WSW
20
WSW
25
SSW
30
SSW
35
SSW
45
S
55
S
55
SW
60
WSW
55
W
45
W
35
W
30
W
25
W
Wind State
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross
cross
cross-on
on
on
on
on
on
on
High Tide
7:55AM4.59m
8:12PM4.74m
8:34AM4.43m
8:52PM4.59m
9:16AM4.29m
9:36PM4.46m
Low Tide
1:58AM0.97m
2:09PM1.11m
2:37AM1.11m
2:48PM1.26m
3:18AM1.25m
3:31PM1.40m
light rain
rain showers
rain showers
rain showers
part cloud
rain showers
clear
cloud
cloud
part cloud
clear
rain showers
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:12
10:13
10:14
 mm
1
1
1
1
1
1
1
1
3
4
1
Temp °C
15
15
13
14
14
14
14
14
13
14
13
14
14
15
14
14
15
15
14
14
14
15
15
14
Feels °C
7
7
4
5
5
5
6
7
7
8
9
9
8
8
7
5
6
6
2
3
5
9
9
9
Swell 1
Height (m)
Direction
Period (s)
4
W
13
4
W
12
4
W
12
3.5
W
12
3.5
W
12
3
W
12
3
W
12
2.5
W
11
1.9
WNW
11
1.6
W
11
4.5
W
12
4
W
12
3.5
W
12
Energy kJ
4966
5515
4694
3951
3198
2586
2188
1723
927
640
5320
4268
3039
Swell 2
Height (m)
Direction
Period (s)
0.1
S
13
Energy kJ
3
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
4
W
11
4
W
11
4.5
W
12
4.5
W
12
4.5
W
12
5
W
12
4.5
W
12
4.5
W
12
1.7
SSW
6
2.5
SSW
7
3.5
WSW
9
4.5
WSW
11
4.5
W
12
4.5
W
12
3.5
W
12
Energy kJ
3618
4417
5497
6056
6282
6797
6768
6354
202
592
2194
5134
5625
5529
4109
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
3
4
4
3
4
2
4
3
3
4
4
3
2
2
1
3
2
1
2
3
3
Distance (km)
517
524
540
540
541
576
517
104
296
104
9
9
18
85
83
184
277
362
473
270
516
517
341
9
Best forecast wave conditions in Finistere - Brittany
Rating
(10 max)
4
4
4
4
3
3
Best forecast wave conditions in France
Rating
(10 max)
3
3
3
1
4
4
4
4
4
4
4
4
4
4
4
4
4
3
2
2
2
3
4
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
6
9
9
9
8
8
8
9
9
9
9
9
9
  • 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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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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