Trez Hir Surf Break

Lat Long: 48.35° N 4.70° W

Trez Hir Surf Forecast and Surf Report

Issued: 1 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Trez Hir sea temperature is
18.0°C
0.2° 

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 26 Aug 2026:

  • Best quality surf: Monday 31 Aug, 11PM (local time) - 6.5ft (2.0m), 10s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Saturday 29 Aug, 11PM (local time) - 10ft (3.0m), 10s period, W swell with 1,854 kJ wave energy.
  • Next surfable swell (1★+): Thursday 27 Aug, 8PM (local time) - 3.5ft (1.0m), 7s period with SSW 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 Thursday (Aug 27) at 8PM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.7m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Trez Hir in the next 16 days are 3.0m 10s and forecast to arrive on Saturday (Aug 29) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Friday (Aug 28) at 2PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Thu 27th Aug)3.5ft (1.0m) 7s
Best Surf11PM (Mon 31st Aug)6.5ft (2.0m) 10s
Most Powerful11PM (Sat 29th Aug)10ft (3.0m) 10s

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


The Lowdown

G’day, Rusty here. Look, I’m not gonna sugarcoat it – the next couple of weeks are shaping up to be a proper test of patience for anyone looking to get wet around Trez Hir (Bretagne). We’ve got a long stretch of ordinary to poor conditions on the horizon, and the standout windows are few and far between. You’re gonna need to be picky, and you’re gonna need to be ready to move when the ocean finally gives us a bit of a wink.

The water’s sitting around 64°, which is pretty much bang on average for this time of year, so no surprises there. The first few days, Wednesday the 26th and Thursday the 27th, are a write-off. We’ve got small, weak swell – energy readings down around 70 to 220 – with cross and cross-onshore winds chopping it all up. It’s poor out there, plain and simple.

Things start to get a bit more interesting in size from Friday the 28th, but don’t get excited. The swell builds – 7ft on Friday afternoon and pushing 10ft by Saturday – but the wind is howling from the west-southwest at 22 to 25 mph. The energy readings are climbing into the 770 to 1223 range, which tells you there’s plenty of water moving, but it’s messy and lumpy. Unless you’re chasing a beatdown, this isn't the time. Saturday’s also got rain showers and a risk of thunderstorms, so it’s not looking like a fun one to be sitting out the back either.

Sunday the 30th keeps the size but the quality’s still poor. Then we finally get our first genuine window. Monday the 31st of August is the pick of the first week. The swell eases back to a solid 8ft in the morning, coming from the west with a 10-second period, and the energy is strong at 1131. More importantly, the wind drops right out – light west-southwest cross-off in the morning, dropping to a mere 6 mph in the afternoon. The forecast is calling for very good surf conditions, and for a spot like Trez Hir, which is `rarely breaks`, you better believe this is the one to circle. It’s an intermediate wave at best, and with this kind of size and a west swell, it’s going to have some push. The morning looks cleaner before the wind swings around.

After that, we slide back into the doldrums. Tuesday the 1st through to Thursday the 3rd of September is a write-off again – small, weak swell, cross-shore winds, and energy readings just petering out to nothing. It’s a gap of several days where you’d be wasting your time.

Now, for the second week, we’ve got one more serious highlight that’s worth planning for. It looks like Saturday the 5th of September could be a ripper. The swell’s back up to 7ft, from the west with a long 11-second period, and while the morning has a light cross-on wind, the afternoon is forecast to be glassy. Yes, glassy. That’s a massive positive. The energy is strong at 790, and while the period is long enough to be wary of it breaking a bit straight on the beach, the conditions could be absolutely pristine. It’s a long way out, so treat it as promising but not locked in, but if that swell and the glassy wind line up, that’s going to be the standout of the whole 16 days.

The weekend after that, the 6th and 7th, sees the wind pick up again and chop things out, before we get another brief tease on Monday the 7th of September – a clean 7ft from the west with light winds, but it’s a one-session deal. After that, the swell fades right away, and towards the 10th of September, we’ve got a big, powerful west swell rolling in (energy readings around 1437), but with a strong north-northeast cross-off. That’s got the makings of some serious size, but it’s likely to be too much for an inconsistent spot like this unless you’re seriously experienced.

So, to sum it up: the first week has one solid, clean day on Monday the 31st. The second week holds the real promise with that glassy Saturday the 5th. Be patient, be ready, and don’t waste your energy on the junk in between.

Rusty.

Short Range Forecast

Moderate rain (total 10mm), heaviest on Wed night. Warm (max 21°C on Wed afternoon, min 17°C on Wed night). Winds increasing (calm on Thu night, strong winds from the SSW by Sat morning).

Days 5-7 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 19°C on Sat afternoon, min 17°C on Sun night). Winds decreasing (strong winds from the SW on Sat afternoon, light winds from the W by Mon night).

Wed
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
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
1
1
0
0
0
0
3
0
0
1
2
2
2
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
6
0.5
W
8
0.8
SW
7
1.1
SW
6
0.6
WNW
10
0.9
WSW
7
1.6
W
6
1.7
WSW
7
2.5
SW
8
3
WSW
8
2.5
W
10
1.9
WNW
10
2.3
WSW
8
2.5
W
9
2.5
W
9
2.3
WNW
10
1.7
WNW
10
1.3
WNW
9
1.3
WNW
9
1.6
WNW
9
Wave Graph
Metric surfscale
Energy kJ
34
29
54
97
61
91
202
277
703
1306
1418
681
589
1185
1075
901
551
283
270
371
Wind (km/h)
5
SE
20
S
20
SW
15
SW
5
W
15
W
30
WSW
30
SW
40
SW
40
WSW
20
WSW
30
SW
40
SW
35
WSW
20
W
15
W
15
SW
20
WSW
20
W
10
WNW
Wind State
on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
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
8:13AM5.78m
8:30PM5.79m
Low Tide
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
2:31PM0.45m
2:52AM0.52m
cloud
rain showers
part cloud
part cloud
rain showers
cloud
clear
part cloud
rain showers
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
7:28
7:31
7:31
7:33
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:13
9:10
9:08
9:07
9:05
9:02
9:00
 mm
6
1
3
2
1
Temp °C
21
21
18
19
19
18
18
18
19
19
19
18
19
18
18
18
17
17
18
18
Feels °C
20
21
16
17
18
16
14
14
14
12
16
16
14
13
15
16
15
15
15
17
  • 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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