Trestrignel Surf Break

Lat Long: 48.82° N 3.43° W

Trestrignel Surf Forecast and Surf Report

Issued: 7 pm 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Trestrignel sea temperature is
19.2°C
1.8° 

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


Trestrignel surf forecast from 29 Aug 2026:

  • Best quality surf: Tuesday 1 Sep, 5AM (local time) - 5ft (1.6m), 10s period, W swell with cross-offshore winds.
  • Most powerful swell: Friday 4 Sep, 2PM (local time) - 10ft (3.0m), 12s period, WNW swell with 2,228 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 1 Sep, 5AM (local time) - 5ft (1.6m), 10s period with W swell.

Best Forecast Surf Conditions for Trestrignel this week:

The surf forecast for Trestrignel over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 01) at 5AM. The primary swell is predicted to be 1.6m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Trestrignel in the next 16 days are 3.0m 12s and forecast to arrive on Friday (Sep 04) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Thursday (Sep 03) at 5AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 1st Sep)5ft (1.6m) 10s
Best Surf 5AM (Tue 1st Sep)5ft (1.6m) 10s
Most Powerful 2PM (Fri 4th Sep)10ft (3.0m) 12s

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


The Lowdown

Alright folks, Rusty here. Let’s talk about what’s on offer at Trestrignel. We’ve got a real mixed bag ahead, but a couple of sessions are truly worth circling on the calendar.

The next week and a half is looking pretty grim for a paddle. Most days are a write-off—either the wind’s in the wrong place or the swell is all messy cross-chop. You’ll be fighting a strong cross-shore or onshore wind for most of it, and the surf quality just isn’t there. The water is sitting at 67°, which is a touch warmer than you’d expect for late summer. There’s a long stretch here from the end of August right through most of the first week of September where you might as well leave the board at home. There is no real standout surf until we get past the first week.

The first real glimmer of hope comes on the morning of Saturday, 5th September. It’s not a classic, but with a 6ft west-northwest groundswell and a light southwesterly cross-offshore breeze, the surf will be clean. The combined swell energy is moderate at 550, and the 10-second period will give you some reasonable shape. It’s the best of a bad run, but it’s not going to blow your mind.

Now, the real standout, the one you’ve been waiting for, arrives on Friday, 11th September. The morning session is the clear winner of the entire outlook – this is the one to chase. We’re looking at a solid 7ft swell from the west, with a 9-second period. But the key here is a light, steady cross-offshore wind from the east-southeast. That’s going to keep the surface absolutely clean. The combined wave energy is strong at 1318, so there’s plenty of power behind it. It’s going to be one of those mornings where the banks line up. It’s worth noting that with 7ft, this is expert territory, but the offshore wind will help make the walls stand up. Trestrignel is a sheltered spot, and this swell direction (W) matches what the place loves to see. Expect the weekend crowd to be a problem here, as it’s *always* busy, but for a clean 7ft morning, you fight for your waves. The afternoon sees the swell bump up to 8ft and the period extending to a very long 13 seconds, but the wind flips to a moderate cross-shore, which will bring chop. The morning is your window.

Following that, the morning of Saturday, 12th September still has some juice in the tank. A 6ft west-northwest swell with a 11-second period and light cross-offshore winds will provide another clean, fun session, though not as heavy as the day before. The wave energy is a solid 694. It’s a good capper to the week’s highlight.

After that, the energy drops off quickly into the second week. We see a glassy 4ft on the morning of Sunday, 13th September, but the period is shorter and the energy is lower (391). It’s surfable but ordinary.

So, to sum it up: you’re looking at a lot of flat and messy conditions until the morning of Saturday, 5th September, which is a minor reprieve. The absolute standout is the morning of Friday, 11th September. Get organised, watch the buoys, and be ready for it. The second weekend shows some promise, but it’s less certain this far out. Don’t hold your breath for the rest.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Sun night. Warm (max 21°C on Sun afternoon, min 15°C on Mon night). Winds decreasing (fresh winds from the WSW on Sun night, light winds from the W by Mon night).

Days 5-7 Weather Summary

Some drizzle, heaviest during Thu afternoon. Warm (max 22°C on Wed afternoon, min 15°C on Tue night). Mainly fresh winds.

Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
W
9
1.6
W
9
1.5
W
9
2.5
W
9
2.5
W
10
2.4
WNW
10
1.8
WNW
10
1.3
W
9
1
W
9
0.8
W
8
0.8
W
8
1.1
W
7
1.7
W
8
1.9
W
8
1.9
W
8
2.2
WNW
9
3
WNW
11
2.5
WNW
12
2.2
WNW
12
Wave Graph
Metric surfscale
Energy kJ
792
371
342
1263
1232
1022
614
281
162
88
84
131
386
476
481
761
1873
2186
1224
Wind (km/h)
20
SW
25
SW
35
WSW
40
WSW
30
WNW
25
WNW
10
W
15
WSW
15
NW
15
SW
20
SW
25
W
25
SW
30
WSW
25
W
20
W
30
WNW
25
WNW
10
WNW
Wind State
cross-off
cross-off
cross
cross
cross-on
cross-on
cross
cross
cross-on
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
8:26PM7.66m
8:44AM7.51m
8:56PM7.76m
9:15AM7.57m
9:28PM7.71m
9:47AM7.48m
10:02PM7.49m
10:22AM7.22m
10:40PM7.10m
11:02AM6.82m
11:25PM6.57m
11:51AM6.31m
00:24AM5.97m
Low Tide
2:41AM0.06m
2:54PM0.18m
3:14AM-0.02m
3:28PM0.16m
3:47AM0.09m
4:03PM0.31m
4:23AM0.38m
4:41PM0.63m
5:03AM0.83m
5:25PM1.10m
5:50AM1.41m
6:19PM1.66m
part cloud
cloud
part cloud
thunderstorm
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
rain showers
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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>
9:02
9:00
8:59
8:57
8:54
8:52
8:51
 mm
1
1
Temp °C
19
19
21
18
17
18
17
17
18
17
18
22
21
19
19
17
17
18
16
Feels °C
14
15
16
13
13
13
15
15
15
15
15
18
17
15
16
15
12
14
13
  • 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 Trestrignel Surf forecast

The above surf forecast table for Trestrignel provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trestrignel can be found by selecting the local surf guide option on the grey menu. Our Trestrignel 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 (Trestrignel) 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 Trestrignel 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 Trestrignel, camping, hotels and holiday cottages in Cote d'Armor - Brittany, consider staying in Lannion which is 10 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 15 km (9 miles) away, Paimpol, Morlaix and Roscoff.

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