Trez Hir Surf Break

Lat Long: 48.35° N 4.70° W

Trez Hir Surf Forecast and Surf Report

Issued: 1 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Trez Hir sea temperature is
17.7°C
0.4° 

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


Trez Hir surf forecast from 8 Sep 2026:

  • Best quality surf: Saturday 12 Sep, 2PM (local time) - 5.5ft (1.7m), 14s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Saturday 12 Sep, 2PM (local time) - 5.5ft (1.7m), 14s period, WNW swell with 1,083 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 9 Sep, 2AM (local time) - 4.5ft (1.4m), 9s period with W swell.

Best Forecast Surf Conditions for Trez Hir this week:

The surf forecast for Trez Hir over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 2AM. The primary swell is predicted to be 1.4m and 9s period with a secondary swell of 0.6m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Trez Hir in the next 16 days are 1.7m 14s and forecast to arrive on Saturday (Sep 12) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 9s period and expected on Wednesday (Sep 09) at 5AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 9th Sep)4.5ft (1.4m) 9s
Best Surf 2PM (Sat 12th Sep)5.5ft (1.7m) 14s
Most Powerful 2PM (Sat 12th Sep)5.5ft (1.7m) 14s

Table - best surf conditions forecast for Trez Hir over the next 16 days.


The Lowdown

Alright, folks, Rusty here. Let’s have a look at what Trez Hir has in store for us. It’s a bit of a slow burner, but there are a couple of proper windows to get excited about if you’re patient.

Right now, and for the next couple of days, it’s pretty grim. The swell is messy and not well organized, with the wind all over the place. Tuesday morning has some real cross-off juice at 8ft, but that NNW wind is howling at 31 mph, making it a complete mess. Not worth the drive. Wednesday and Thursday are small and weak – just bumpy leftovers. We’re looking at a handful of days with nothing on offer.

Things start to settle down on Friday morning. The wind swings offshore and we get a clean 5ft of west swell. It’s not huge, but it’s a start. Then, Saturday morning looks magic. Glassy conditions with a clean 4ft of WNW swell and moderate energy (475). It’s the kind of morning that makes you want to be first in the water.

But the real standout is Saturday afternoon. The swell bumps up to 6ft from the WNW, the period jumps to a very long 13 seconds, and the wave energy is cranking (1058). Plus, it’s clean with a light cross-off breeze. This is the best of the first week, no doubt. This is where you want to be. The long period will make it line up nicely here.

Sunday holds in some good, clean WNW groundswell, with the morning session looking prime at 6ft and a 12-second period. The afternoon gets a bit cloudier and the call is more marginal. After that, the surf fades again for a few days, with a small, weak pulse mid-week that’s mostly blown out or too cross.

Hold on to your hats for the second week. Around September 21st, the ocean switches on in a big way. The models are hinting at a serious pulse of long-period WNW groundswell. Monday morning is looking at 7ft with a 17-second period and a near-gale offshore wind. The energy reading is off the charts (2841). This is big, raw power. It’s going to be hard to paddle into and take off on, but the potential is there. The afternoon eases slightly to 8ft, but that strong offshore is still going to make it a battle. This is for experts only. It’s a long way out, but if this materializes, it’ll be the highlight of the whole run.

After that, the swell eases quickly. Tuesday afternoon on the 22nd looks like the cleaner, more manageable option with a solid 5ft of WNW groundswell and moderate offshore winds. It’s a much better bet for most of us than the giant, stormy stuff the day before.

So, to sum it up: tough start, a great window from Saturday afternoon through Sunday morning, then a quiet spell before a powerful, wild swell around the 21st. Keep an eye on that long-range call. I’ll be out there for the Saturday arvo session for sure.

Rusty

Short Range Forecast

Moderate rain (total 12mm), heaviest on Tue morning. Very mild (max 17°C on Tue morning, min 14°C on Wed night). Winds decreasing (near gales from the NNW on Tue morning, light winds from the NNE by Wed night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Sun night, min 13°C on Sat morning). Wind will be generally light.

Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
2
0
0
0
0
0
0
2
0
1
2
3
3
3
2
2
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
W
8
1.7
WSW
8
1.4
W
9
0.9
WSW
8
0.7
WSW
8
0.6
WSW
8
0.8
WNW
9
0.6
WNW
8
1.6
W
10
1.6
W
9
1.2
W
9
1
W
8
1.3
WNW
10
1.7
WNW
13
1.5
WNW
13
1.7
WNW
12
1.7
WNW
12
1.4
WNW
10
0.9
WNW
10
0.9
W
9
0.8
W
9
Wave Graph
Metric surfscale
Energy kJ
699
432
290
122
73
50
99
45
490
398
210
116
296
1058
745
920
784
404
178
133
101
Wind (km/h)
50
NNW
30
NNW
25
NW
15
NNW
20
NW
5
ESE
20
S
25
SSW
25
SW
20
NNW
20
NNW
15
N
5
NNW
15
WNW
15
WSW
15
WSW
15
WSW
10
WSW
5
SSW
10
SW
15
ESE
Wind State
cross-off
off
off
cross-off
off
on
cross-on
cross-on
cross
off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
High Tide
3:57PM5.19m
4:29AM5.22m
4:47PM5.67m
5:13AM5.62m
5:30PM6.03m
5:53AM5.91m
6:08PM6.24m
6:29AM6.06m
6:45PM6.27m
7:04AM6.06m
7:19PM6.13m
7:37AM5.92m
7:53PM5.86m
Low Tide
9:50AM1.26m
10:25PM0.80m
10:44AM0.79m
11:13PM0.37m
11:29AM0.40m
11:54PM0.06m
12:09PM0.14m
00:32AM-0.09m
12:47PM0.03m
1:08AM-0.06m
1:22PM0.07m
1:41AM0.12m
1:56PM0.27m
2:14AM0.42m
rain showers
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:45
7:46
7:47
7:48
7:50
7:50
7:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:46
8:45
8:43
8:40
8:38
8:36
8:34
 mm
12
Temp °C
17
17
17
16
16
16
16
17
17
17
17
16
14
15
17
18
18
19
19
20
21
Feels °C
10
11
11
13
13
13
13
14
14
15
14
13
14
12
15
17
17
19
20
20
21
  • 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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Information about the Trez Hir Surf forecast

The above surf forecast table for Trez Hir provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trez Hir can be found by selecting the local surf guide option on the grey menu. Our Trez Hir surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Trez Hir) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Trez Hir may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Trez Hir is 12 km (7 miles) from the city of Camaret-sur-Mer. If you plan a holiday in Finistere - Brittany, look for hotels and other accommodation in Camaret-sur-Mer. Camaret-sur-Mer has rooms for a wide range of budgets as well as car hire and transport links.

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