Surf Forecasts:
Trestraou surf forecast from 19 Aug 2026:
- Best quality surf: Friday 21 Aug, 2AM (local time) - 6.5ft (2.0m), 9s period, WNW swell with cross-offshore winds.
- Most powerful swell: Thursday 20 Aug, 5PM (local time) - 7ft (2.2m), 9s period, WNW swell with 790 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 2AM (local time) - 6.5ft (2.0m), 9s 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 Friday (Aug 21) at 2AM. The primary swell is predicted to be 2.0m and 9s 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 9s and forecast to arrive on Thursday (Aug 20) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Monday (Aug 24) at 11PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 21st Aug) | 6.5ft (2.0m) 9s |
| Best Surf | 2AM (Fri 21st Aug) | 6.5ft (2.0m) 9s |
| Most Powerful | 5PM (Thu 20th Aug) | 7ft (2.2m) 9s |
Table - best surf conditions forecast for Trestraou over the next 16 days.
The Lowdown
G'day, Rusty here, and I've gotta be straight with ya – this forecast for Trestraou is a tough one to call. We're looking at a pretty lean run over the next 16 days, with only a brief window that's worth getting excited about. The water's sitting at 66°, which is a touch warmer than usual for this time of year, so that's a small comfort.
Right now, we're in a dry spell. From Wednesday the 19th right through to the end of the long weekend, it's all pretty ordinary. There's nothing that's really breaking well enough to paddle out for. The swell is inconsistent, and when it does show up, the wind is mostly cross or onshore, messing up the face. The combined energy is weak, usually under 100, and on the 24th it drops to just 9, so you're looking at a flat ocean for the most part. We've got a solid 7 days here with no real surf on offer.
Now, the one standout in this whole outlook is the morning of Wednesday the 26th of August. It's the only time the data gives us a nod for "good surf conditions." The wind swings around to the SSW, blowing offshore, and we've got a moderate offshore breeze making things clean. The swell is 7 ft from the WNW, which is the optimum direction for Trestraou. The period is a short 8 seconds, so it'll be a bit of a wind swell, but the energy is moderate (520). This is a window for the crew who know what they're doing – that 7 ft is a bit much for beginners, and the short period means it'll be a bit bumpy, but with offshore wind, it's your best chance. It's a fleeting moment, though, because it's back to poor conditions by the afternoon.
After that, into the second week, the pattern stays unsettled. The morning of Friday the 28th has a bit of swell and offshore wind, but it's only 4 ft and the energy is low (225), with the forecast calling it "surfable waves but very ordinary conditions." It's not worth a special trip. Things get a bit more interesting right at the very end of the outlook, on Monday the 31st of August, but that's 12 days out and the confidence is low. The forecast shows a sizeable 10 ft swell from the W with a 10-second period, and the combined energy shoots up to 1940, which is strong. But the wind is cross-offshore and it's flagged as marginal, so it's one to watch but not plan for.
So, honestly, if you're keen, pencil in the morning of Wednesday the 26th. It's the only real chance for a clean wave at Trestraou in this whole 16-day stretch. The rest is a write-off. As always, forecasts can change, but for now, that's the call.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Wed night. Very mild (max 19°C on Wed afternoon, min 15°C on Wed night). Winds decreasing (fresh winds from the W on Thu afternoon, light winds from the NW by Fri morning). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 20°C on Mon night, min 17°C on Sat night). Winds decreasing (strong winds from the ENE on Mon morning, light winds from the NNW by Tue morning). | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||
PM | 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 9 | W 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | W 9 | W 9 | ENE 5 | ENE 4 | NE 4 | ENE 5 | ENE 5 | ENE 6 | W 9 | NW 4 | WNW 10 | WNW 10 |
Wave Graph | ||||||||||||||||||||
314 | 452 | 645 | 790 | 688 | 375 | 237 | 188 | 41 | 31 | 27 | 29 | 27 | 27 | 61 | 119 | 6 | 2 | 38 | 140 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-on | on | cross-on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off |
High Tide | 11:51PM6.03m | 12:13PM5.79m | 00:39AM5.46m | 1:09PM5.31m | 1:49AM5.02m | 2:34PM5.02m | 3:29AM4.88m | 4:13PM5.11m | 4:58AM5.14m | 5:25PM5.52m | 5:56AM5.60m | 6:14PM6.04m | ||||||||
Low Tide | 5:47PM1.68m | 6:06AM1.97m | 6:29PM2.26m | 6:52AM2.54m | 7:29PM2.76m | 8:06AM2.97m | 9:11PM3.00m | 9:59AM3.01m | 10:52PM2.75m | 11:18AM2.63m | 11:51PM2.25m | 12:07PM2.11m | 00:32AM1.69m | |||||||
— | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | |
— | 9:22 | — | — | 9:20 | — | — | 9:19 | — | — | 9:16 | — | — | 9:15 | — | — | 9:13 | — | — | 9:10 | |
mm | — | 1 | — | — | — | — | 2 | 1 | 1 | 1 | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 19 | 18 | 18 | 19 | 17 | 17 | 17 | 16 | 17 | 19 | 18 | 19 | 19 | 19 | 18 | 18 | 20 | 18 | 18 | 16 |
Feels °C | 15 | 14 | 13 | 14 | 12 | 15 | 14 | 13 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 12 | 15 | 17 | 16 | 13 |
Swell 1 Height (m) Direction Period (s) | W 16 | — | — | — | WNW 9 | WNW 9 | WNW 9 | WNW 8 | NW 6 | WNW 7 | W 9 | W 9 | W 9 | W 8 | W 9 | W 9 | NE 5 | NE 4 | NE 6 | WNW 10 |
5 | — | — | — | 688 | 375 | 237 | 188 | 33 | 31 | 24 | 13 | 14 | 6 | 7 | 6 | 42 | 6 | 11 | 140 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | N 4 | — | NE 4 | W 9 | W 9 | WNW 7 | WNW 6 | WNW 6 | NW 6 | NW 5 | NW 6 | W 9 | NE 6 | WNW 10 | NE 5 |
— | — | — | — | — | 3 | — | 1 | 41 | 28 | 18 | 7 | 3 | 1 | 1 | 1 | 6 | 8 | 38 | 4 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 15 | W 15 | W 15 | W 14 | W 14 | W 10 | W 9 | W 8 | NW 8 | NW 4 | W 8 | W 8 |
— | — | — | — | — | — | — | — | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 1 | 3 | 2 | 5 | 5 | |
Wind waves Height (m) Direction Period (s) | WNW 9 | W 9 | WNW 9 | WNW 9 | — | — | — | — | NE 4 | NE 3 | ENE 5 | ENE 4 | NE 4 | ENE 5 | ENE 5 | ENE 6 | — | — | NW 3 | — |
314 | 452 | 645 | 790 | — | — | — | — | 1 | 2 | 27 | 29 | 27 | 27 | 61 | 119 | — | — | 2 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 105 | 19 | 346 | 334 | 0 | 99 | 105 | 93 | 11 | 98 | 119 | 188 | 199 | 538 | 199 | 499 | 617 | 122 | 119 | 19 |
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.











