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Surf Forecasts:

Lostmarc'h surf break

Lostmarc'h surfForecast / Brittany – Finistere / France

information circle48hr Weather and Surf, issued 6 am Wednesday 18 Mar 2026 CET
Forecast update in hr  min  s Forecast update imminent
Lostmarc'h surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lostmarc'h sea temperature is
11.1° C
 (Which is normal for this time of year)

How big are the waves at Lostmarc'h today?

The current surf forecast for Lostmarc'h at 2PM is: 4.0m 17s primary swell from a West direction (forecast issued at 06:00am March 18). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (CET) & DateWave HeightWave Period
Morning (18 Mar)8ft (2.4m)19s
Afternoon (18 Mar)13ft (4.0m)17s
Evening (18 Mar)11ft (3.5m)15s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Sat
21
4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM
Rating
(10 max)
4
3
4
!
!
6
4
4
3
3
3
4
4
3
3
3
3
2
2
2
2
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.5
WNW
2.5
WNW
2.4
W
4
W
4
W
3.5
W
3.5
WNW
3
WNW
2.5
WNW
2.4
WNW
2.2
WNW
2
WNW
1.8
WNW
1.7
WNW
1.5
WNW
1.4
WNW
1.3
WNW
1.2
WNW
1.1
WNW
1
WNW
1
WNW
0.9
WNW
0.8
WNW
0.8
WNW
Period(s) (?)131319171616151514141313131313131212121212111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2303202840419178852366034797372029072096167913981110983721623510426328265256200138133
Wind
(km/h)
15
E
20
E
25
ESE
30
ESE
25
E
30
E
30
E
30
E
30
ENE
25
ENE
25
E
20
E
15
E
15
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
20
ENE
20
NE
20
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoff
High Tide
/ height (m)
4:18AM
5.42
4:39PM
5.41
4:52AM
5.74
5:12PM
5.68
5:28AM
5.93
5:47PM
5.81
Low Tide
/ height (m)
10:35AM
0.23
10:48PM
0.23
11:09AM
-0.05
11:23PM
-0.01
11:43AM
-0.18
11:58PM
-0.11
Wednesday
18
Thursday
19
Friday
20
Sat
21
Sunrise--7:26-------7:24-------7:22-----
Sunset-----7:27-------7:28-------7:30--
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C111112161816119879131515121010991214131110
Feels °C (?)76610131032103811128554369865
  • 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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FREE! Surf-Forecast.com widget for your website

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.

View detailed surf forecast for Lostmarc'h at:
surf-forecast.com

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