Trestrignel Surf Break

Lat Long: 48.82° N 3.43° W

Trestrignel Surf Forecast and Surf Report

Issued: 1 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Trestrignel sea temperature is
18.3°C
1.3° 

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


Trestrignel surf forecast from 8 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 2AM (local time) - 3.5ft (1.0m), 9s period, WNW swell with glassy winds.
  • Most powerful swell: Tuesday 8 Sep, 5PM (local time) - 7ft (2.1m), 9s period, WNW swell with 705 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 2AM (local time) - 3.5ft (1.0m), 9s period with WNW 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 Thursday (Sep 10) at 2AM. The primary swell is predicted to be 1.0m and 9s period with a secondary swell of 0.5m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Trestrignel in the next 16 days are 2.1m 9s and forecast to arrive on Tuesday (Sep 08) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 10th Sep)3.5ft (1.0m) 9s
Best Surf 2AM (Thu 10th Sep)3.5ft (1.0m) 9s
Most Powerful 5PM (Tue 8th Sep)7ft (2.1m) 9s

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


The Lowdown

Right, folks, Rusty here. Let’s take a real honest look at what’s coming down the line for Trestrignel. There’s a stretch of pretty grim conditions ahead, so I’m not going to sugar-coat it for you.

The story for the next week and a half is mostly a tough one. We’ve got a lot of onshore and cross-onshore winds, and the surf quality is just not there. The water temp is sitting at 65°, which is a touch warmer than normal, but that’s about the only thing that’s mildly pleasant.

The first real blip of interest comes on Thursday, September 10th. It’s a small morning window with a 2ft swell from the WNW, period of 9 seconds, and light cross-offshore winds from the SSW. The combined energy is weak at 111, so it’s not going to be big, but it’ll be clean. That’s the best you’ll see for a while, but it’s still just small, ordinary waves.

The next potential window is Tuesday, September 15th. The morning shows a 2ft swell from the W, period of 8 seconds, but with a clean offshore wind from the S at 12 mph. The energy is still weak at 115, but the offshore wind will make it look better than it is. It’s a tiny window again.

Then we’ve got a long gap of poor conditions – strong onshore winds, choppy seas, and small, messy swell. The wind is relentless.

The only other small chance is Friday, September 18th in the morning. A 4ft swell from the WNW, 9-second period, with light cross-offshore winds from the ESE. The energy is moderate at 305, but it’s a single session before the wind shifts again.

And then, believe it or not, the most promising long-range glimmer is Monday, September 21st. This is a classic case of "looks good on paper, but the wind will ruin it." We’ve got a very long period groundswell of 17 seconds from the WNW, with a solid 4ft height. The combined energy is a huge 1116, so there’s plenty of power. But the wind is a strong cross-onshore from the WNW at 28 mph, with rain showers. This creates a messy, blown-out surface. For an expert, there might be a rogue barrel in there, but for everyone else, it’s a write-off. The long period will make the waves suck hard and close out on the beach, so it’s really a reef or point setup kind of wave, but Trestrignel is a sheltered beach break, so it won’t hold that shape.

Bottom line: There’s no standout session here. The best of a bad bunch is the morning of Thursday, September 10th, and maybe the Tuesday, September 15th morning. Both are small, clean, and only for beginners. Everything else is a fight against the wind.

Rusty.

Short Range Forecast

Moderate rain (total 17mm), heaviest on Tue morning. Very mild (max 18°C on Tue morning, min 13°C on Wed night). Winds decreasing (fresh winds from the NNW on Tue afternoon, calm by Wed night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Sun afternoon, min 14°C on Fri night). Wind will be generally light.

Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
10
2.1
WNW
9
1.7
WNW
9
1.7
WNW
9
1.5
WNW
9
1
WNW
9
0.7
WNW
9
0.5
WNW
8
1
W
8
1.6
W
9
1.4
W
9
1.3
WNW
8
1.1
WNW
8
1.1
WNW
10
1
WNW
10
1.5
W
10
1.6
WNW
9
1.2
WNW
10
1.1
W
9
1
W
9
0.8
W
9
Wave Graph
Metric surfscale
Energy kJ
467
705
421
427
337
154
67
37
114
422
304
206
184
250
227
414
418
276
212
169
101
Wind (km/h)
30
SW
35
NW
25
NW
20
NNW
15
NW
5
W
10
SSW
10
NNW
20
SSW
25
NW
20
NNW
15
NNW
15
WNW
15
WNW
15
WSW
20
W
20
W
15
WSW
10
WSW
10
NNW
10
SE
Wind State
cross-off
cross-on
cross-on
on
on
glassy
cross-off
on
cross-off
cross-on
on
on
cross-on
cross-on
cross
cross
cross
cross
cross
on
cross-off
High Tide
5:34PM6.47m
6:08AM6.57m
6:26PM7.08m
6:54AM7.11m
7:09PM7.58m
7:33AM7.51m
7:47PM7.89m
8:08AM7.74m
8:22PM7.98m
8:41AM7.77m
8:55PM7.86m
9:12AM7.63m
9:27PM7.57m
Low Tide
11:20AM1.72m
11:53PM1.12m
12:15PM1.07m
00:42AM0.49m
1:00PM0.51m
1:24AM0.02m
1:40PM0.10m
2:02AM-0.24m
2:17PM-0.09m
2:37AM-0.26m
2:52PM-0.07m
3:11AM-0.06m
3:26PM0.14m
3:43AM0.31m
heavy rain
rain showers
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:39
7:39
7:41
7:43
7:45
7:46
7:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:42
8:39
8:37
8:36
8:34
8:31
8:30
 mm
15
2
Temp °C
18
17
16
16
16
15
15
18
18
17
17
16
14
15
16
18
19
18
19
22
20
Feels °C
15
11
10
13
12
13
13
16
17
14
14
13
13
12
13
16
18
17
19
22
21
  • Map Icons:
  • Break
  • 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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