Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Lostmarc'h surf break

Lostmarc'h surfForecast / Brittany – Finistere / France

information circle48hr Weather and Surf, issued 12 pm 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 7PM is: 3.0m 13s primary swell from a West direction (forecast issued at 12:00pm January 17). The wind direction is predicted to be cross-offshore and the swell rating is 5.

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
Tuesday
20
10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM
Rating
(10 max)
!
5
4
5
4
4
3
3
3
3
3
3
2
2
1
0
2
2
3
4
5
!
!
!
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
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
1.4
WNW
1.3
WNW
1.3
W
1.3
W
1.5
W
2.5
WNW
3
WNW
4
W
4
W
4
WNW
Period(s) (?)141414131313121212111111101010101011191817161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)633652974283336929142182169714131121807698611521216402356374410160436505128835384577953
Wind
(km/h)
10
S
15
S
10
S
5
ESE
15
E
15
NE
20
NE
20
NE
15
NNE
15
NE
10
N
10
NNE
10
NNW
10
N
10
NNW
10
NW
5
WNW
10
SW
10
SSW
15
SSE
20
SSE
25
SE
30
SE
30
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
off		offoffcross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		crosscross-
off		crosscross-
on		glassoncross-
on		crosscrosscross-
off		cross-
off		cross
High Tide
/ height (m)
4:18PM
4.60
4:34AM
4.90
4:54PM
4.83
5:09AM
5.14
5:28PM
5.01
5:43AM
5.32
Low Tide
/ height (m)
10:16AM
1.06
10:30PM
1.00
10:53AM
0.80
11:05PM
0.77
11:28AM
0.60
11:39PM
0.61
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Sunrise--------9:02-------9:00-------
Sunset--5:52-------5:54-------5:55-----
part cloud
clear
part cloud
clear
clear
part cloud
clear
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
Rain (mm)
---------112221---------
Temp. °C9101110988889999999910101099910
Feels °C (?)568864444677776677764433
  • 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

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest