Lostmarc'h Surf Break

Lat Long: 48.21° N 4.56° W

Lostmarc'h 48 hour detailed Surf Forecast

Issued: 6 pm 13 Nov 2026 (local time)

Forecast update in  hr  min

Today's Lostmarc'h sea temperature is
13.7°C
0.2° 

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 (14 Nov):

  • Afternoon surf: Afternoon surf (14 Nov, local time) - 2ft (0.6m), 12s period with SW swell.
  • Evening surf: Evening surf (14 Nov, local time) - 2.5ft (0.7m), 11s period with SW swell.

The current surf forecast for Lostmarc'h at 12AM is: 0.7m 11s primary swell from a Southwest direction and 0.4m 14s secondary swell from a West-southwest direction (forecast issued at 06:00pm November 13). An open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CET) & DateWave HeightWave Period
Morning (14 Nov)--
Afternoon (14 Nov)2ft (0.6m)12s
Evening (14 Nov)2.5ft (0.7m)11s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Sat night. Very mild (max 14°C on Sat night, min 5°C on Sat morning). Winds decreasing (near gales from the WSW on Sun morning, light winds from the SSW by Mon morning).

Fri
13
Saturday
14
Sunday
15
Mon
16
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
Rating
(10 max)
1
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SW
12
0.6
SW
12
0.7
SW
11
0.7
SW
11
0.7
SW
11
0.6
SW
11
0.9
SW
12
0.8
WSW
12
0.8
WSW
12
0.8
WSW
12
0.8
WSW
11
0.7
SW
11
1.4
SW
11
2
SW
6
2.2
WSW
7
3
SW
8
3.5
WSW
10
3.5
WSW
10
3.5
W
11
3.5
W
10
3
W
10
2.5
W
10
Wave Graph
Metric surfscale
Energy kJ
90
84
121
119
119
96
212
180
180
177
163
123
485
292
471
1235
2135
2245
2777
2518
1976
1374
Wind (km/h)
15
E
20
E
20
E
20
ESE
20
ESE
20
ESE
20
ESE
20
SE
20
SSE
20
S
20
S
30
S
35
SSW
35
WSW
40
SW
55
WSW
40
WNW
35
W
40
W
35
W
35
W
20
WNW
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:54PM4.60m
7:10AM4.67m
7:32PM4.33m
7:50AM4.40m
8:16PM4.06m
Low Tide
1:08AM1.15m
1:35PM1.20m
1:48AM1.41m
2:19PM1.47m
2:34AM1.67m
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
8:22
—
—
—
—
—
—
—
8:23
—
—
—
—
—
—
—
8:25
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:43
—
—
—
—
—
—
—
5:40
—
—
—
—
—
—
—
5:39
—
—
—
—
5:38
 mm
—
—
—
—
—
—
—
—
—
—
—
—
1
2
1
1
1
—
—
—
—
—
Temp °C
11
10
8
7
7
6
5
8
9
9
10
12
14
13
12
12
13
13
13
13
13
12
Feels °C
6
5
3
1
2
0
-1
2
4
4
5
5
8
6
4
1
5
6
5
6
6
8
  • 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
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