
Surf Forecasts:
Trestraou surf forecast from 5 Sep 2026:
- Best quality surf: Saturday 5 Sep, 11AM (local time) - 5.5ft (1.7m), 12s period, WNW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 5PM (local time) - 6.5ft (2.0m), 12s period, W swell with 1,238 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 11AM (local time) - 5.5ft (1.7m), 12s 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 Saturday (Sep 05) at 11AM. The primary swell is predicted to be 1.7m and 12s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Trestraou in the next 16 days are 2.0m 12s and forecast to arrive on Monday (Sep 07) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Monday (Sep 07) at 5AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Sat 5th Sep) | 5.5ft (1.7m) 12s |
| Best Surf | 11AM (Sat 5th Sep) | 5.5ft (1.7m) 12s |
| Most Powerful | 5PM (Mon 7th Sep) | 6.5ft (2.0m) 12s |
Table - best surf conditions forecast for Trestraou over the next 16 days.
The Lowdown
Alright, this is Rusty. Let’s see what Trestraou has cookin’ for the next couple of weeks.
Honestly, the outlook starts with a quick flash of something worthwhile, and then it’s a long, dusty stretch of “meh.” The first real chance is Saturday morning, September 5th. We’ve got a clean 6 ft swell from the WNW, with a period of 12 seconds, pushing some moderate energy (797) into this sheltered spot. The wind is a light, glassy north breeze, so it’s gonna be clean. That’s the standout. The swell direction is WNW, and the optimum for this spot is WNW, so it’s dead on. It’s not a giant, but for a morning paddle, it’s the best we’ve got. Water temps are about average for the season.
After that, it’s a quick fade. By Saturday afternoon, the wind swings NE and picks up to 12 mph, turning onshore and messy. That clean window is tight.
Then we enter a long, frustrating gap. From Sunday the 6th right through the end of the second week, it’s a whole lot of nothing. The winds are mostly cross-off, cross, or onshore, with moderate to fresh breezes, and the swell quality just isn’t there. The combined energy numbers drop into the low hundreds and even two-digit figures for most of the following days. We get a bit of a bump in size on Monday the 7th and Tuesday the 8th, with waves around 6 ft to 7 ft, but the wind is either cross or cross-off and the conditions are called marginal or poor. The 7th morning has a solid 6 ft, 14-second groundswell with a strong 1047 energy, but it’s cross-offshore and the report says it’s marginal. That’s a long-period swell, which is better for a point or reef, but Trestraou is sheltered, and the wind just isn’t playing ball.
The 10th of September (Thursday) morning offers a brief window of clean, offshore wind from the SSW, but the swell is only 4 ft with a short 9-second period and low energy (228). It’s surfable, but ordinary.
The rest of the fortnight is a write-off. The wind is constantly cross-on, cross-off, or just too strong, and the swell drops to barely 3 ft or less. Even the 14th of September (Monday) sees a 16-second period swell, but only 1 ft – that’s all period and no push. The wind is 15-25 mph, so it’s just a mess.
So, bottom line: get out there early on Saturday morning, September 5th, for the clean, glassy window. After that, it’s a long, dry spell where the conditions just don’t line up. It’s one of those stretches where the forecast can change, so keep your eyes peeled, but as it stands, it’s mostly a waiting game.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Sun afternoon, min 15°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Wed night. Very mild (max 17°C on Mon night, min 14°C on Tue night). Mainly fresh winds. | ||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||
Wave Height (m) Direction Period (s) | WNW 10 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 9 | W 14 | W 12 | W 12 | W 10 | W 10 | WNW 10 | WNW 8 | WNW 8 | WNW 8 | W 9 | W 6 | W 8 |
Wave Graph | |||||||||||||||||||
517 | 797 | 633 | 379 | 135 | 88 | 56 | 1047 | 1238 | 872 | 666 | 479 | 540 | 428 | 353 | 196 | 225 | 123 | 458 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off |
High Tide | 00:24AM5.97m | 1:01PM5.80m | 1:53AM5.51m | 2:42PM5.58m | 3:43AM5.51m | 4:23PM5.87m | 5:09AM5.97m | 5:34PM6.47m | 6:08AM6.57m | 6:26PM7.08m | 6:54AM7.11m | 7:09PM7.58m | |||||||
Low Tide | 6:51AM2.01m | 7:35PM2.15m | 8:20AM2.40m | 9:19PM2.24m | 10:03AM2.27m | 10:50PM1.79m | 11:20AM1.72m | 11:53PM1.12m | 12:15PM1.07m | 00:42AM0.49m | 1:00PM0.51m | 1:24AM0.02m | |||||||
— | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — | |
8:51 | — | 8:49 | — | — | 8:46 | — | — | 8:44 | — | — | 8:42 | — | — | 8:39 | — | — | 8:37 | — | |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — | 4 | 1 | — | — |
Temp °C | 17 | 16 | 19 | 18 | 23 | 29 | 20 | 19 | 19 | 17 | 16 | 16 | 16 | 16 | 17 | 16 | 15 | 17 | 18 |
Feels °C | 15 | 16 | 16 | 15 | 18 | 27 | 18 | 16 | 17 | 15 | 13 | 14 | 11 | 11 | 11 | 12 | 12 | 14 | 19 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 9 | W 14 | W 12 | W 12 | W 10 | W 10 | — | WNW 11 | WNW 10 | WNW 8 | W 12 | NW 9 | W 11 |
517 | 797 | 633 | 379 | 135 | 88 | 56 | 1047 | 1238 | 872 | 666 | 479 | — | 105 | 116 | 196 | 3 | 20 | 9 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 17 | — | — | — | — | NW 12 | — | — | — | WNW 10 | — | W 12 | — |
— | — | — | — | — | — | 52 | — | — | — | — | 39 | — | — | — | 80 | — | 3 | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 4 | E 4 | W 3 | W 4 | — | — | — | — | WNW 10 | WNW 8 | WNW 8 | — | W 9 | W 6 | W 8 |
— | — | — | — | 6 | 2 | 8 | 13 | — | — | — | — | 540 | 428 | 353 | — | 225 | 123 | 458 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 19 | 0 | 98 | 11 | 2 | 19 | 19 | 103 | 346 | 19 | 19 | 105 | 123 | 287 | 346 | 19 | 0 | 19 | 0 |
Best forecast wave conditions in Cote d'Armor - Brittany | |||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||
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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.










