Trez Hir Surf Break

Lat Long: 48.35° N 4.70° W

Trez Hir 48 hour detailed Surf Forecast

Issued: 7 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Trez Hir sea temperature is
17.3° C
0.8° 

Trez Hir surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Trez Hir today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.8m), 6s period with WNW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 1ft (0.3m), 8s period with W swell.
  • Evening surf: Evening surf (18 Aug, local time) - 3ft (0.9m), 7s period with WNW swell.

The current surf forecast for Trez Hir at 4PM is: 0.3m 8s primary swell from a West direction (forecast issued at 07:00am August 18). An open ocean swell of 0.6m 6s is not directed at the surf break, a second open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CEST) & DateWave HeightWave Period
Morning (18 Aug)2.5ft (0.8m)6s
Afternoon (18 Aug)1ft (0.3m)8s
Evening (18 Aug)3ft (0.9m)7s

Table - waves today at Trez Hir. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 13mm), heaviest on Wed morning. Warm (max 20°C on Tue afternoon, min 16°C on Thu night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
0
0
0
0
1
1
1
1
0
2
2
2
1
1
0
0
1
2
2
3
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
WNW
7
0.8
WNW
6
0.8
WNW
6
0.3
W
8
0.3
W
8
0.9
WNW
7
0.9
WNW
7
0.9
WNW
7
0.9
WNW
7
0.3
W
8
1.3
WNW
10
1.4
WNW
10
1.4
WNW
11
1.5
WNW
11
1.6
WNW
10
1.6
WNW
10
1.9
WNW
9
2.2
WNW
9
2.2
WNW
9
2.2
WNW
10
2.2
WNW
10
2.2
WNW
10
2.1
WNW
10
Wave Graph
Metric surfscale
Energy kJ
73
47
40
11
11
76
76
76
81
10
290
410
450
489
564
502
619
705
781
869
869
887
784
Wind (km/h)
15
WNW
15
W
20
WSW
20
W
20
W
15
WNW
15
WNW
10
WNW
5
WNW
10
S
10
NW
20
NNW
20
WNW
20
WNW
20
W
25
W
30
W
25
W
20
W
20
W
20
WNW
20
WNW
15
WNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
glassy
cross-on
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
High Tide
9:22AM5.22m
9:40PM5.06m
10:00AM4.81m
10:21PM4.57m
10:44AM4.39m
Low Tide
3:44PM0.99m
4:04AM1.19m
4:24PM1.42m
4:45AM1.64m
5:13PM1.83m
clear
clear
part cloud
cloud
cloud
cloud
cloud
clear
cloud
light rain
mod rain
rain showers
clear
part cloud
part cloud
clear
light rain
clear
clear
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:15
7:16
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:28
9:25
9:23
 mm
1
9
1
1
Temp °C
17
18
19
19
20
19
19
18
17
17
17
17
18
18
18
17
17
17
18
18
18
18
18
Feels °C
17
18
18
18
20
19
19
18
18
17
17
15
15
14
15
13
13
13
15
15
15
16
16
  • 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
How to use the Wavefinder 

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 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.


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