Trez Hir Surf Break

Lat Long: 48.35° N 4.70° W

Trez Hir Surf Forecast and Surf Report

Issued: 1 am 19 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.


Trez Hir surf forecast from 19 Aug 2026:

  • Best quality surf: Thursday 20 Aug, 8PM (local time) - 7.5ft (2.3m), 10s period, WNW swell with offshore winds.
  • Most powerful swell: Thursday 20 Aug, 2PM (local time) - 8ft (2.4m), 10s period, WNW swell with 1,021 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 19 Aug, 2PM (local time) - 6ft (1.8m), 10s period with WNW 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 (Aug 19) at 2PM. The primary swell is predicted to be 1.8m and 10s period with a secondary swell of 0.1m and 16s. 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 2.4m 10s and forecast to arrive on Thursday (Aug 20) 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 1.6m 8s period and expected on Friday (Aug 21) at 11PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Wed 19th Aug)6ft (1.8m) 10s
Best Surf 8PM (Thu 20th Aug)7.5ft (2.3m) 10s
Most Powerful 2PM (Thu 20th Aug)8ft (2.4m) 10s

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


The Lowdown

Alright, let’s get into it for Trez Hir. The next week and a half is a bit of a mixed bag, with a lot of waiting around for the real action. There’s a big gap of very small, poor surf from the 22nd right through to the 25th, so don’t get your hopes up early on. The real juice starts to show up towards the end of the month, but we’ve got to get through the quiet spell first.

Wednesday the 19th kicks off with a modest 5 ft swell from the W, but it’s a short-period 6-second windswell, and the wind is a cross-off from the NNW at 15 mph. The energy is weak, only 307, and the water is a balmy 63°, which is a touch cooler than usual for this time of year – about 1° below average. Not ideal, but it’s clean. Thursday the 20th sees a jump in size to 8 ft from the WNW, with a better 9-second period and moderate energy (1585). The wind holds cross-off from the W at 15 mph, but it’s still a bit too raw for a standout. Friday the 21st afternoon is the first real glimmer: 6 ft from the WNW, 8-second period, but the wind finally turns offshore from the WNW at 12 mph, giving us clean, workable lines. The energy is a solid 431.

Then it goes dead. From Saturday the 22nd through to Monday the 25th, it’s tiny waves – nothing over 3 ft – with fresh, messy winds. That’s a solid four-day lull, so don’t bother checking the buoys.

Tuesday the 26th morning brings a bit of life back: 5 ft from the SW, 8-second period, with offshore wind from the NW at 12 mph. The energy is 483, and it’s clean. That’s the start of the turn.

Now, the real standouts are at the very end of the run. Sunday the 30th of August is the one to circle. The morning sees 7 ft from the W, 8-second period, with offshore wind from the NW at 12 mph. The energy jumps to 1368 – that’s a proper push. The surf report calls it excellent for experienced surfers. This is a big, powerful, clean swell, but at 7 ft, it’s already pushing into the “not for beginners” zone. The best session is the Monday the 31st morning: 15 ft from the WNW, a very long 12-second period, with offshore wind from the NW at 15 mph. The energy is massive at 5153. That’s a serious groundswell – it’s going to be big, clean, and powerful. That kind of long-period swell is best at a point or reef, not a beach break, as it can get straight and dumpy. Winds are offshore, so it’s going to be a sight to behold for experts only. The Tuesday the 1st of September morning is also a cracker: 13 ft from the WNW, 11-second period, offshore wind from the WNW at 15 mph, and energy at 3670. Again, expert territory.

Don’t bother with the 2nd and 3rd of September – the wind goes onshore and strong, ruining the swell.

But for the best on offer, it’s those two mornings: Sunday the 30th and Monday the 31st. The Monday is the biggest and cleanest, but it’s massive. If you’re experienced and you’ve got a big-wave board, that’s the one. Trez Hir is a rare break, so don’t expect it to be firing all the time, but when it’s on, it’s on. Crowds are possible, so get there early.

Rusty.

Short Range Forecast

Light rain (total 9mm), mostly falling on Wed morning. Very mild (max 19°C on Wed morning, min 15°C on Fri night). Winds decreasing (fresh winds from the W on Wed night, light winds from the NW by Thu night).

Days 4-6 Weather Summary

Heavy rain (total 21mm), heaviest during Mon night. Warm (max 20°C on Sun afternoon, min 14°C on Mon morning). Mainly fresh winds.

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
0
2
2
3
1
2
0
0
0
0
0
0
0
0
0
0
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)
1.5
W
6
1.8
WNW
11
2
WNW
8
2.4
WNW
9
2.3
WNW
10
2.2
WNW
10
1.7
WNW
10
1.7
WNW
8
0.1
SW
16
0.5
W
10
0.5
W
9
0.4
W
9
0.3
W
9
0.3
W
9
0.2
W
8
0.2
W
9
0.3
W
9
0.2
WNW
12
0.6
WNW
11
0.8
WNW
10
2.4
WSW
9
Wave Graph
Metric surfscale
Energy kJ
164
731
581
938
983
924
540
414
9
46
41
25
14
13
8
7
14
15
78
130
959
Wind (km/h)
25
NNW
25
WNW
30
W
25
W
25
W
10
NW
20
WNW
20
WNW
20
N
20
N
30
N
25
NE
30
NE
35
NE
30
NE
30
NE
35
NNE
35
N
10
W
15
SSW
35
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
High Tide
10:00AM4.81m
10:21PM4.57m
10:44AM4.39m
11:13PM4.13m
11:47AM4.03m
00:35AM3.82m
1:26PM3.88m
2:22AM3.82m
2:58PM4.05m
3:35AM4.08m
3:57PM4.40m
4:22AM4.44m
4:39PM4.80m
5:00AM4.82m
Low Tide
4:24PM1.42m
4:45AM1.64m
5:13PM1.83m
5:39AM2.03m
6:20PM2.14m
6:56AM2.27m
7:54PM2.24m
8:33AM2.23m
9:21PM2.03m
9:46AM1.94m
10:19PM1.66m
10:35AM1.56m
11:01PM1.27m
mod rain
clear
rain showers
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
mod rain
heavy rain
part cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:18
7:20
7:20
7:22
7:24
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:25
9:23
9:22
9:21
9:19
9:16
9:15
 mm
7
1
1
3
6
12
4
Temp °C
19
19
18
18
18
18
17
17
16
16
18
18
19
20
19
16
15
15
17
18
18
Feels °C
16
16
14
14
15
15
14
13
13
13
14
13
13
13
13
13
9
10
16
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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