Trez Hir Surf Break

Lat Long: 48.35° N 4.70° W

Trez Hir Surf Forecast and Surf Report

Issued: 1 am 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Trez Hir sea temperature is
17.7°C
0.1° 

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 25 Aug 2026:

  • Best quality surf: Monday 31 Aug, 11AM (local time) - 8ft (2.5m), 10s period, WNW swell with offshore winds.
  • Most powerful swell: Monday 31 Aug, 5AM (local time) - 8ft (2.5m), 9s period, W swell with 1,306 kJ wave energy.
  • Next surfable swell (1★+): Friday 28 Aug, 2PM (local time) - 4ft (1.2m), 7s period with WSW 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 Friday (Aug 28) at 2PM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.7m and 9s. 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 2.5m 9s and forecast to arrive on Monday (Aug 31) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Saturday (Aug 29) at 8PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Fri 28th Aug)4ft (1.2m) 7s
Best Surf11AM (Mon 31st Aug)8ft (2.5m) 10s
Most Powerful 5AM (Mon 31st Aug)8ft (2.5m) 9s

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


The Lowdown

Alright, Rusty here, let’s talk about what’s in store for Trez Hir over the next couple of weeks.

Right off the bat, it’s a tough start. There’s nothing worth paddling out for during the first few days through to the end of August. The swell is small, the wind is mostly cross or cross-on, and the reports just say poor conditions. You’re looking at a full six days with nothing on offer.

Things finally start to show a pulse on Friday afternoon the 28th. A 5ft WSW swell rolls in with a moderate offshore wind out of the NW, cleaning things right up. The combined energy is moderate, and the 9-second period isn't anything special, but it’ll be the first real chance to get wet after a long wait. The break here is a rare one, Trez Hir, and it’s not often it lines up, so when it does, it pays to keep an eye on it. Crowds are possible, but with the difficulty being intermediate, you won’t see too many beginners out there.

The standout of the whole window is Monday the 31st of August. The morning session is the pick, with an 8ft WNW groundswell running on a 10-second period and a moderate offshore wind from the NW, making for very good surf. The combined energy reading is strong. That’s proper swell, so it’s going to be a day for the experienced crew, maybe too much for beginners. The water temperature is pretty average for the time of year at 64°, nothing unusual there.

After that, the first week of September is a mixed bag. The swell hangs around but it gets cross-chop messy with strong SW winds pushing things around. Tuesday the 1st sees a 10ft W swell but winds are gusty and onshore, so the quality drops right off. The trusty NW offshore pops up again on Thursday the 3rd of September afternoon, with a 5ft W swell and clean conditions, worth a look if you’re itching for a late-day session.

Into the second week, there’s another promising date on the 8th of September, Tuesday morning. A 10ft WSW swell gets a 15-second period, and the combined energy is very strong. The wind is cross-shore and a bit lumpy, so it won’t be clean, but there’s raw power there for the strong paddlers. Long period like that usually makes for better shapes at a spot like Trez Hir, which is more of a reef or point setup, keeping the waves from breaking too straight. The very best looking window arrives on Wednesday the 9th of September afternoon with an 8ft WNW swell, light offshore WSW wind, and the data says excellent conditions for experienced surfers. That’s a long-range one, so keep your fingers crossed.

So, if you’re picking your battles, Monday the 31st of August morning is the clear winner, with Wednesday the 9th of September afternoon as the promising but less certain long-range option.

Rusty.

Short Range Forecast

Light rain (total 5mm), mostly falling on Wed night. Warm (max 20°C on Wed afternoon, min 17°C on Wed night). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Sat morning. Very mild (max 19°C on Fri afternoon, min 16°C on Fri morning). Winds decreasing (strong winds from the SW on Sat morning, light winds from the SSW by Sat night).

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
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
0
0
0
0
0
0
0
0
0
2
1
0
0
1
0
0
1
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
WNW
11
0.7
WNW
10
0.6
WNW
10
0.6
WNW
9
0.7
SSW
7
0.7
SSW
6
1.8
SW
8
1.6
SW
8
1
SW
7
0.8
WNW
9
1.5
WSW
9
1.8
WNW
8
2.3
WSW
8
1.8
WSW
8
1.5
SW
7
1.2
WNW
8
1.2
WNW
8
2.5
W
9
2.5
WNW
10
2.5
WNW
10
2.2
WNW
10
Wave Graph
Metric surfscale
Energy kJ
66
88
74
61
38
36
373
292
88
98
343
427
604
392
237
174
169
1112
1219
1201
1031
Wind (km/h)
10
SW
20
SSW
15
SSW
15
SSE
10
S
30
S
20
SSW
20
SSW
20
S
15
SE
25
NW
25
WSW
30
WSW
20
SW
15
SW
25
SSW
30
WSW
35
W
25
NW
15
W
15
WSW
Wind State
cross
cross-on
cross
cross-on
cross-on
cross-on
cross
cross-on
cross-on
on
off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
off
cross-off
cross-off
High Tide
4:39PM4.80m
5:00AM4.82m
5:14PM5.19m
5:33AM5.17m
5:46PM5.54m
6:04AM5.47m
6:17PM5.82m
6:35AM5.71m
6:48PM6.00m
7:06AM5.85m
7:20PM6.06m
7:38AM5.88m
7:53PM5.99m
Low Tide
10:35AM1.56m
11:01PM1.27m
11:13AM1.18m
11:36PM0.89m
11:47AM0.84m
00:08AM0.57m
12:19PM0.57m
00:40AM0.33m
12:51PM0.38m
1:11AM0.19m
1:23PM0.29m
1:43AM0.18m
1:56PM0.31m
2:16AM0.29m
clear
part cloud
part cloud
clear
cloud
rain showers
part cloud
cloud
thunderstorm
clear
clear
part cloud
rain showers
clear
part cloud
cloud
thunderstorm
rain showers
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:26
7:28
7:28
7:31
7:31
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:15
9:13
9:10
9:08
9:07
9:05
9:02
 mm
4
1
3
1
1
Temp °C
19
19
19
19
20
19
18
19
18
18
19
18
18
19
19
19
19
18
17
18
17
Feels °C
19
18
18
18
18
20
16
17
15
16
17
15
12
18
17
15
14
13
12
15
15
  • Map Icons:
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  • 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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