Surf Forecasts:
Trestraou surf forecast from 14 Sep 2026:
- Best quality surf: Saturday 19 Sep, 5AM (local time) - 5.5ft (1.7m), 12s period, WNW swell with offshore winds.
- Most powerful swell: Friday 18 Sep, 11AM (local time) - 7ft (2.2m), 13s period, WNW swell with 1,514 kJ wave energy.
- Next surfable swell (1★+): Saturday 19 Sep, 5AM (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 19) at 5AM. The primary swell is predicted to be 1.7m and 12s period. The wind is predicted to be 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-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Tuesday (Sep 15) at 8AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 19th Sep) | 5.5ft (1.7m) 12s |
| Best Surf | 5AM (Sat 19th Sep) | 5.5ft (1.7m) 12s |
| Most Powerful | 11AM (Fri 18th Sep) | 7ft (2.2m) 13s |
Table - best surf conditions forecast for Trestraou over the next 16 days.
The Lowdown
Right, Rusty here. Let’s break down what’s happening at Trestraou. It’s looking bleak for a while, but there are a couple of spots in the second week worth keeping on your radar if you’ve got patience.
The water’s running a bit warm for the season, about 65°, so that’s a small comfort.
The first week is mostly a no-go. Monday the 14th starts with a clean 3ft from the west, light cross-off wind, but the overall call is poor surf. The energy is weak at 173. The next few days are just messy – cross-shore winds, lumpy chop, and even though the swell bumps up to 7ft by Wednesday the 16th, the wind is all wrong, making it a chop fest.
Thursday the 17th morning is clean with a 6ft west swell and a cross-off breeze, but still not great quality.
Now, here’s the first real highlight. Friday the 18th. The swell jumps to 7ft from the WNW with a very long 13-second period and massive energy of 1514. That’s a proper groundswell. It’s clean in the morning, but 7ft is big – that’s for experienced surfers only. The long period will bring nice shape but might want to close out if it’s too straight. Sheltered breaks handle it better though.
Saturday the 19th morning is also clean with a 5ft WNW swell, 11-second period, and decent energy of 614. A solid, manageable session.
Sunday the 20th morning is your smooth option. Offshore wind from the SW, light, with 5ft from the WNW and moderate energy of 369. Clean lines, easy paddling. Perfect.
From the 21st through the 26th, it’s all downhill. Onshore winds, small chop, and fading swell. There’s a weird long-period swell on the 24th with a 19-second period but only 1ft – that’s just a slow, gutless roller.
Then, the last real standout comes on Tuesday the 29th of September. A 5ft groundswell from the WNW with a very long 12-second period and strong energy of 634. The wind is nearly glassy – just a slight air from the NNW. This is the one for the patient crew. Clean, solid, and well over a week out, so keep it on your list.
Best on the board: Friday the 18th morning for the big, powerful groundswell if you’re advanced, Sunday the 20th morning for a clean, cruisy session, and Tuesday the 29th as the hopeful sleeper.
- Rusty
Short Range ForecastMostly dry. Warm (max 21°C on Mon afternoon, min 14°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 19°C on Sat afternoon, min 15°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
AM | 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) | W 9 | WNW 9 | W 8 | W 8 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 11 | W 10 | WNW 9 | WNW 9 | WNW 13 | WNW 13 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 173 | 135 | 116 | 111 | 425 | 408 | 856 | 984 | 643 | 557 | 559 | 651 | 1514 | 1211 | 876 | 614 | 572 | 450 | 363 | 356 | 756 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | off | cross | cross | cross | cross-on | cross | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross-off | off | cross-on | glassy |
High Tide | 9:12AM7.63m | 9:27PM7.57m | 9:43AM7.34m | 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 | |||||||
Low Tide | 3:26PM0.14m | 3:43AM0.31m | 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 | ||||||||
 | |  |  | |  |  | | | |  | | | | | | | | | | | |
 | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:56 | — | — |
 | — | 8:30 | — | — | 8:28 | — | — | 8:24 | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 21 | 19 | 17 | 16 | 16 | 15 | 15 | 16 | 16 | 17 | 16 | 16 | 17 | 16 | 17 | 19 | 17 | 17 | 20 | 18 |
Feels °C | 18 | 20 | 19 | 15 | 12 | 13 | 11 | 11 | 13 | 11 | 13 | 11 | 12 | 13 | 11 | 14 | 16 | 15 | 17 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | W 9 | WNW 9 | W 8 | WNW 11 | — | — | WNW 10 | — | WNW 11 | — | — | WNW 15 | WNW 13 | WNW 13 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 14 |
| kJ | 173 | 135 | 116 | 41 | — | — | 856 | — | 643 | — | — | 23 | 1514 | 1211 | 876 | 614 | 572 | 450 | 363 | 356 | 756 |
Swell 2 Height (m) Direction Period (s) | — | — | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | WNW 16 | — |
| kJ | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 97 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 8 | WNW 10 | WNW 9 | — | WNW 10 | — | W 10 | WNW 9 | WNW 9 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 111 | 425 | 408 | — | 984 | — | 557 | 559 | 651 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 90 | 2 | 105 | 105 | 93 | 99 | 105 | 19 | 19 | 346 | 105 | 116 | 104 | 19 | 103 | 104 | 0 | 0 | 104 | 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.
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