Trestraou Surf Break

Lat Long: 48.82° N 3.46° W

Trestraou Surf Forecast and Surf Report

Issued: 1 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Trestraou sea temperature is
18.2°C
1.6° 

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


Trestraou surf forecast from 15 Sep 2026:

  • Best quality surf: Wednesday 16 Sep, 11PM (local time) - 6ft (1.9m), 11s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Friday 18 Sep, 11AM (local time) - 7ft (2.2m), 13s period, WNW swell with 1,467 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 16 Sep, 11PM (local time) - 6ft (1.9m), 11s period with WNW swell.

Best Forecast Surf Conditions for Trestraou this week:

The surf forecast for Trestraou over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 16) at 11PM. The primary swell is predicted to be 1.9m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Trestraou in the next 16 days are 2.2m 13s and forecast to arrive on Friday (Sep 18) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Sep 22) at 5AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Wed 16th Sep)6ft (1.9m) 11s
Best Surf11PM (Wed 16th Sep)6ft (1.9m) 11s
Most Powerful11AM (Fri 18th Sep)7ft (2.2m) 13s

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


The Lowdown

G'day, I'm Rusty.

Alright, let's take a long look at what's coming our way for Trestraou. Straight up, the start is pretty grim. We've got a patch of poor conditions that runs for a solid stretch. After the first proper surf, there’s another big gap, so patience is the name of the game here.

The period kicks off with a downer. We have some chest-high swell at 5ft from the WNW on Tuesday afternoon, but it's got a 19 mph cross-shore wind tearing it up. That’s a lumpy, choppy mess. This frustrating pattern of moderate, onshore-dominant wind holds for days, keeping the conditions poor even as the swell fluctuates. The water temp is sitting at a notable 65°, which is a touch warmer than normal for the time of year.

It’s not until Friday morning, the 18th of September, that things finally start to look better. The clouds clear, the wind swings to a cross-offshore from the W at 12 mph, and we see a solid head-high swell at 7ft from the WNW. The real kicker here is the period at 13 seconds – proper groundswell energy. The combined energy is powerful at (1467), which means decent power. It’s still a bit lumpy, but it's the first real option we’ve seen. Friday morning looks like the best of a marginal window.

But then the surf backs off again and the onshore junk returns. We get another blank run right through until late in the period.

Now, for the real standout. If you’re willing to wait, Saturday the 26th of September is your day. The morning session is the clear winner of the whole outlook. The wind will be light and glassy from the ESE at just 9 mph – a nice cross-offshore breeze that should clean things right up. We’re looking at a solid 6ft swell from the WNW, with a very long period of 14 seconds. The combined energy is pumping at (1483), so there’s plenty of grunt. This is a classic, clean groundswell. The long period will make it a bit walled-up at a beach break, but for the points and reefs it’ll be firing. This is the one to circle.

Following that, there's a massive pulse of swell on Monday the 28th. We're talking double-overhead plus, pushing 12ft from the W. That is serious, expert-only territory with moderate cross-shore winds. It’s a lot of water moving around, and while it's clean in the morning, it will be a heavy, powerful beast. Not for the faint-hearted.

So, to sum it up: we pay our dues with a lot of flat or blown-out days, but the reward comes on Saturday morning, the 26th.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Thu afternoon. Very mild (max 17°C on Tue afternoon, min 14°C on Wed night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Sat afternoon, min 16°C on Fri night). Wind will be generally light.

Tue
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
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
0
0
0
2
1
2
1
0
1
1
0
0
0
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)
1.6
WNW
10
1.8
WNW
8
2.1
WNW
10
2.1
WNW
10
1.8
WNW
11
1.7
W
10
2
WNW
9
2
WNW
10
2.2
WNW
13
1.9
WNW
13
1.9
WNW
12
1.5
W
8
1.7
WNW
11
1.7
WNW
10
1.5
WNW
10
1.4
WNW
10
1.3
WNW
10
1.2
WNW
10
1.1
WNW
12
1.1
WNW
11
Wave Graph
Metric surfscale
Energy kJ
491
439
811
907
692
573
603
726
1467
1211
1082
316
643
596
424
363
320
291
306
260
Wind (km/h)
30
WNW
20
WNW
20
NNW
20
NW
20
WSW
30
WSW
25
WNW
20
WNW
20
W
25
WSW
25
SW
25
WSW
25
W
15
WSW
10
NW
15
NW
5
NW
10
NE
15
NE
10
ENE
Wind State
cross
cross
cross-on
cross
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
on
cross-on
High Tide
9:58PM7.14m
10:13AM6.91m
10:30PM6.60m
10:46AM6.40m
11:05PM6.02m
11:23AM5.84m
11:48PM5.43m
12:15PM5.29m
00:57AM4.92m
1:46PM4.91m
2:54AM4.74m
3:41PM5.00m
4:30AM5.06m
Low Tide
3:59PM0.53m
4:15AM0.81m
4:31PM1.03m
4:46AM1.38m
5:05PM1.61m
5:20AM1.98m
5:43PM2.21m
6:02AM2.56m
6:37PM2.76m
7:09AM3.05m
8:17PM3.09m
9:14AM3.16m
10:17PM2.86m
clear
clear
clear
part cloud
part cloud
cloud
light rain
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:50
7:52
7:52
7:54
7:56
7:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:28
8:24
8:22
8:21
8:19
8:16
8:15
 mm
1
Temp °C
17
16
16
16
15
17
17
16
16
17
17
17
19
18
18
19
18
17
19
17
Feels °C
14
12
13
12
11
12
13
12
12
13
13
14
16
16
18
19
19
17
17
16
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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 Trestraou Surf forecast

The above surf forecast table for Trestraou provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trestraou can be found by selecting the local surf guide option on the grey menu. Our Trestraou 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 (Trestraou) 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 Trestraou 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.

Are you planning a holiday in Cote d'Armor - Brittany? If you are looking for accommodation near Trestraou, camping, hotels and holiday cottages in Cote d'Armor - Brittany, consider staying in Lannion which is 9 km (6 miles) away. Other places in and around Cote d'Armor - Brittany where you can find information about places to rent, and car hire include Treguier which is 17 km (11 miles) away, Paimpol, Morlaix and Roscoff.

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