Lostmarc'h Surf Break

Lat Long: 48.21° N 4.56° W

Lostmarc'h 48 hour detailed Surf Forecast

Issued: 6 pm 09 Nov 2026 (local time)

Forecast update in  hr  min

Today's Lostmarc'h sea temperature is
13.9°C
0.1° 

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 (10 Nov):

  • Morning surf: Morning surf (10 Nov, local time) - 7ft (2.1m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (10 Nov, local time) - 8ft (2.5m), 14s period with WSW swell.
  • Evening surf: Evening surf (10 Nov, local time) - 10ft (3.0m), 13s period with WSW swell.

The current surf forecast for Lostmarc'h at 3AM is: 1.9m 12s primary swell from a Southwest direction (forecast issued at 06:00pm November 09). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (CET) & DateWave HeightWave Period
Morning (10 Nov)7ft (2.1m)12s
Afternoon (10 Nov)8ft (2.5m)14s
Evening (10 Nov)10ft (3.0m)13s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Mon night. Very mild (max 16°C on Mon afternoon, min 13°C on Mon night). Winds increasing (light winds from the ESE on Mon night, fresh winds from the NE by Thu morning).

Mon
9
Tuesday
10
Wednesday
11
Thu
12
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
2
3
3
3
4
3
2
0
3
2
1
2
2
3
2
3
3
4
4
4
2
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)
1.4
SW
12
1.5
SW
12
1.6
SW
11
1.8
SW
12
1.9
SW
12
2.1
SW
12
2.1
SW
12
2
WSW
15
3
WSW
14
3
WSW
13
3
WSW
13
3
WSW
13
3
WSW
13
3
WSW
13
2.5
WSW
13
2.5
WSW
12
2.5
WSW
12
2.5
WSW
11
2.5
WSW
11
2.3
WSW
11
2.1
WSW
11
1.8
WSW
11
Wave Graph
Metric surfscale
Energy kJ
514
594
662
822
974
1188
1141
1644
3128
3078
3032
2934
2679
2591
2393
2151
1813
1664
1474
1267
1037
771
Wind (km/h)
25
SE
20
ESE
15
ESE
10
ESE
10
ESE
15
SE
20
SSE
20
SSE
20
S
15
S
15
SSW
20
SSW
15
S
20
SSE
20
SE
25
SSE
20
SE
15
SE
15
ESE
15
ENE
25
ENE
25
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-on
cross-on
cross-on
cross
cross-off
cross
cross-off
cross-off
cross-off
off
off
off
High Tide
4:40PM5.22m
4:55AM5.31m
5:13PM5.16m
5:27AM5.25m
5:46PM5.04m
6:00AM5.11m
Low Tide
10:52PM0.47m
11:11AM0.43m
11:25PM0.56m
11:45AM0.53m
11:58PM0.70m
cloud
cloud
light rain
mod rain
light rain
cloud
light rain
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
cloud
part cloud
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
8:15
—
—
—
—
—
—
—
8:18
—
—
—
—
—
—
—
8:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
—
—
—
—
—
—
—
5:45
—
—
—
—
—
—
—
5:45
—
—
—
—
5:44
 mm
—
—
1
6
3
—
1
—
—
—
—
—
—
—
1
3
2
—
—
—
—
1
Temp °C
16
15
13
13
14
14
14
15
15
14
14
14
14
14
13
14
14
14
14
13
13
13
Feels °C
11
12
11
11
13
12
11
12
12
12
12
11
12
11
10
11
11
11
12
10
9
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
How to use the Wavefinder 

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