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Surf Forecasts:

Trez Hir surfForecast / Brittany – Finistere / France

information circle48hr Weather and Surf, issued 12 am Wednesday 18 Mar 2026 CET
Forecast update in hr  min  s Forecast update imminent
Trez Hir surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trez Hir sea temperature is
11.2° C
 (Which is normal for this time of year)

How big are the waves at Trez Hir today?

The current surf forecast for Trez Hir at 9AM is: 2.4m 19s primary swell from a West direction and 1.7m 13s secondary swell from a West-northwest direction, 0.8m 6s secondary swell from a South-southeast direction (forecast issued at 12:00am March 18). The wind direction is predicted to be cross-onshore.

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 Trez Hir. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
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)
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3
WNW
2.5
WNW
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
1.1
WNW
1
WNW
0.9
WNW
Period(s) (?)141313131917161615151414131313131313121212121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)274526052303202840419178852366034797372029072096172513981110983721623510426328317256200
Wind
(km/h)
20
SSE
15
ESE
15
E
20
E
20
ESE
25
ESE
25
E
30
E
35
E
30
E
30
ENE
30
ENE
30
E
25
E
20
E
20
ENE
25
ENE
25
ENE
20
ENE
20
ENE
25
ENE
25
ENE
20
ENE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
4:33AM
5.78
4:53PM
5.79
5:07AM
6.14
5:27PM
6.09
5:42AM
6.35
6:01PM
6.24
Low Tide
/ height (m)
10:34PM
0.65
10:55AM
0.28
11:08PM
0.28
11:29AM
-0.02
11:43PM
0.03
12:04PM
-0.16
Wednesday
18
Thursday
19
Friday
20
Sunrise----7:26-------7:24-------7:22---
Sunset-------7:27-------7:29-------7:30
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C101111111216181611977913151411101099121412
Feels °C (?)68767101310320028101065543697
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Trez Hir 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 Trez Hir at:
surf-forecast.com

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