Surf Forecasts:
Trestraou surf forecast from 11 Sep 2026:
- Best quality surf: Friday 11 Sep, 8AM (local time) - 5.5ft (1.7m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Wednesday 16 Sep, 5PM (local time) - 6.5ft (2.0m), 10s period, WNW swell with 804 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 8AM (local time) - 5.5ft (1.7m), 10s period with W 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 (Sep 11) at 8AM. The primary swell is predicted to be 1.7m and 10s 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 2.0m 10s and forecast to arrive on Wednesday (Sep 16) 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 1.9m 6s period and expected on Tuesday (Sep 15) at 5PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Fri 11th Sep) | 5.5ft (1.7m) 10s |
| Best Surf | 8AM (Fri 11th Sep) | 5.5ft (1.7m) 10s |
| Most Powerful | 5PM (Wed 16th Sep) | 6.5ft (2.0m) 10s |
Table - best surf conditions forecast for Trestraou over the next 16 days.
The Lowdown
Alright, let’s switch to feet and Fahrenheit. This is Rusty with the same look at Trestraou.
We’re in for a bit of a mixed bag. Surf comes and goes, and the real quality is in short windows.
The first decent one is Friday the 11th of September. Early morning, a clean 5ft swell from the west, with a ten-second period. A cross-offshore wind is blowing. The water temperature is 65°, which is a touch warmer than usual for this time of year (a touch warmer than normal). The combined energy is moderate (470), so there’s some push. This is your best bet early on, and it’s worth getting wet.
Friday afternoon falls apart as the wind turns cross-on and gets choppy.
The weekend is flat-ish. Saturday has small 3ft clean waves in the morning but cross-chop later. Sunday bumps up to 5ft with a longer period, and the morning is clean with energy at 521. Not top quality, though.
There’s a lull Monday and Tuesday with small, weak swells and tricky winds. Monday morning is actually glassy with a 3ft wave, but the energy is low (173).
Now for the standout. Look at the morning of Sunday the 20th of September. Glassy conditions, a solid 6ft swell from the west-northwest, and a very long period of 14 seconds. The combined energy is very strong (1496). This is pure groundswell with heaps of power. With that long period, the waves might be a bit straight at Trestraou’s beach, so it could be better on a point or reef if you can move. Winds are glassy till afternoon when the onshore comes in.
From Monday the 21st onward, it’s mostly poor. Strong onshore winds and lumpy junk. The 26th of September shows a big 8ft swell with very strong energy (1935), but it’s cross-on and messy. Too big for beginners, and the wind is a problem. That setup looks more interesting for kite surfing than paddle surfing.
Friday morning is your early call. That glassy Sunday the 20th morning is the one to really target.
Rusty.
Short Range ForecastSome drizzle, heaviest during Fri morning. Warm (max 21°C on Sun afternoon, min 14°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Mon afternoon, min 14°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the WNW by Tue afternoon). | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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 10 | W 9 | W 8 | W 8 | W 8 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 9 | W 9 | W 9 | W 8 | WNW 6 | WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 470 | 270 | 169 | 137 | 177 | 363 | 521 | 482 | 288 | 173 | 130 | 94 | 169 | 0 | 682 | 737 | 804 | 596 | 363 | 240 | 211 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | glassy | cross-on | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross-off |
High Tide | 7:47PM7.89m | 8:08AM7.74m | 8:22PM7.98m | 8:41AM7.77m | 8:55PM7.86m | 9:12AM7.63m | 9:27PM7.57m | 9:43AM7.34m | 9:58PM7.14m | 10:13AM6.91m | 10:30PM6.60m | 10:46AM6.40m | 11:05PM6.02m | ||||||||
Low Tide | 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 | 3:59PM0.53m | 4:15AM0.81m | 4:31PM1.03m | 4:46AM1.38m | 5:05PM1.61m | ||||||||
 |  |  |  | | | | |  | | | | | | | | | | | | | |
 | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — |
 | — | 8:36 | — | — | 8:34 | — | — | 8:31 | — | — | 8:30 | — | — | 8:28 | — | — | 8:24 | — | — | 8:22 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 20 | 17 | 16 | 19 | 18 | 19 | 21 | 19 | 20 | 25 | 22 | 20 | 18 | 16 | 16 | 16 | 16 | 16 | 17 | 16 |
Feels °C | 17 | 18 | 16 | 15 | 17 | 16 | 16 | 19 | 18 | 22 | 24 | 21 | 18 | 14 | 11 | 12 | 11 | 12 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 8 | W 8 | W 8 | WNW 10 | WNW 10 | — | WNW 10 | W 9 | W 9 | W 9 | WNW 11 | — | — | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 |
| kJ | 470 | 270 | 169 | 137 | 177 | 363 | 521 | — | 288 | 173 | 130 | 94 | 42 | — | — | 737 | 804 | 596 | 363 | 240 | 211 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NW 16 | WNW 14 | — | — | — | — | — | — | WNW 9 | ESE 4 | — | — | — | NNE 5 | — | — | — | NW 16 |
| kJ | — | — | — | 10 | 18 | — | — | — | — | — | — | 8 | 1 | — | — | — | 7 | — | — | — | 62 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 13 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | WNW 10 | — | — | — | SE 3 | W 8 | WNW 6 | WNW 8 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 482 | — | — | — | 2 | 169 | 263 | 682 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 104 | 1 | 19 | 19 | 0 | 103 | 103 | 0 | 1 | 90 | 2 | 92 | 606 | 123 | 105 | 595 | 93 | 19 | 119 | 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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