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Surf Forecasts:

Lostmarc'h surf break

Lostmarc'h surfForecast / Brittany – Finistere / France

information circle48hr Weather and Surf, issued 12 am Saturday 17 Jan 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
9.8° C
 (Which is 1.6°C colder than average for this time of year)

How big are the waves at Lostmarc'h today?

The current surf forecast for Lostmarc'h at 7AM is: 4.0m 15s primary swell from a West direction (forecast issued at 12:00am January 17). The wind direction is predicted to be cross-onshore and the swell rating is 11.

Time (CET) & DateWave HeightWave Period
Morning (17 Jan)13ft (4.0m)15s
Afternoon (17 Jan)11ft (3.5m)14s
Evening (17 Jan)10ft (3.0m)13s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM
Rating
(10 max)
0
!
0
!
!
5
5
5
4
4
3
3
4
3
3
3
3
2
2
1
2
2
3
5
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
4.5
W
4.5
W
4.5
W
4
W
4
W
3.5
W
3.5
W
3
W
3
W
2.5
W
2.5
WNW
2.3
WNW
2.1
WNW
1.8
WNW
1.7
WNW
1.6
WNW
1.6
WNW
1
WNW
1
W
1.4
WNW
1.3
W
1.3
W
1.2
W
2.3
WNW
Period(s) (?)161615151414141313131212121111111010111011111918
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10140100109094764563365261425033692914218216971413112180769861152121623741038140310373162
Wind
(km/h)
25
SW
20
SW
20
SSW
20
SSW
15
S
15
SSE
10
SE
10
ESE
15
ENE
20
NE
20
NE
20
NE
10
ENE
10
E
0
E
5
E
0
SSE
5
SSE
0
NNW
15
NNW
15
N
10
NNW
10
NW
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		cross-
on		crosscrosscross-
off		cross-
off		offoffcross-
off		cross-
off		offcross-
off		glassglassglassglassglasscrosscross-
off		crosscrossglass
High Tide
/ height (m)
3:57AM
4.62
4:18PM
4.60
4:34AM
4.90
4:54PM
4.83
5:09AM
5.14
5:28PM
5.01
Low Tide
/ height (m)
9:51PM
1.26
10:16AM
1.06
10:30PM
1.00
10:53AM
0.80
11:05PM
0.77
11:28AM
0.60
Saturday
17
Sunday
18
Monday
19
Sunrise----9:02-------9:02-------9:00---
Sunset------5:52-------5:54-------5:55-
rain showers
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
light rain
cloud
cloud
cloud
Rain (mm)
1----------1---111--1---
Temp. °C101010101010111098999910101010101010101010
Feels °C (?)455566876445671091091077778
  • 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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