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Surf Forecasts:

Lostmarc'h surf break

Lostmarc'h surfForecast / Brittany – Finistere / France

information circle48hr Weather and Surf, issued 6 am Tuesday 20 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
9.5° C
 (Which is 1.8°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 2PM is: 3.5m 16s primary swell from a West-northwest direction and 4.0m 10s secondary swell from a Southwest direction (forecast issued at 06:00am January 20). The wind direction is predicted to be onshore.

Time (CET) & DateWave HeightWave Period
Morning (20 Jan)10ft (3.0m)16s
Afternoon (20 Jan)11ft (3.5m)16s
Evening (20 Jan)13ft (4.0m)15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
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)
0
0
0
0
6
0
0
0
0
0
0
0
0
0
0
0
!
!
!
!
!
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3.5
WNW
3.5
WNW
3
WNW
3.5
WNW
3.5
WNW
4
WNW
3.5
WNW
3.5
WNW
3.5
WNW
3.5
WNW
3
WNW
2.5
WNW
3.5
SSW
3.5
SW
3
SSW
4.5
WSW
6
WSW
7
W
7
W
6.5
W
6
W
5
W
4.5
W
3.5
W
Period(s) (?)161616161615151414141313101010121616161616151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)699958085340546163126483576255305377424127922275214921561760556717538230352508720948166151259388734324
Wind
(km/h)
45
S
55
S
60
S
60
SSW
20
WSW
25
SW
30
SW
35
SSW
35
SSE
60
SSW
60
S
55
SSW
45
SSW
45
SSW
40
SSW
45
SW
50
W
45
W
50
W
35
WSW
30
SW
35
S
60
SSE
60
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		cross-
on		ononcross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		ononcrosscrosscross
High Tide
/ height (m)
5:43AM
5.32
6:01PM
5.13
6:16AM
5.43
6:35PM
5.18
6:50AM
5.45
7:10PM
5.16
Low Tide
/ height (m)
12:02PM
0.45
12:12AM
0.51
12:35PM
0.37
12:45AM
0.48
1:09PM
0.37
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
Sunrise--9:00-------8:59-------8:57-----
Sunset----5:58-------5:59-------6:00---
part cloud
cloud
light rain
mod rain
light rain
light rain
rain showers
part cloud
light rain
light rain
light rain
light rain
rain showers
rain showers
rain showers
thunderstorm
rain showers
rain showers
rain showers
cloud
cloud
cloud
light rain
mod rain
Rain (mm)
--19411-12522111211---18
Temp. °C10101110999991212121110101010101010101099
Feels °C (?)0-2-1-2432110022111000232-3-4
  • 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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