Surf Forecasts:
Tronoen surf forecast from 27 Aug 2026:
- Best quality surf: Saturday 29 Aug, 11PM (local time) - 10ft (3.0m), 10s period, W swell with onshore winds.
- Most powerful swell: Monday 31 Aug, 8AM (local time) - 10ft (3.0m), 10s period, W swell with 1,747 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 2AM (local time) - 2.5ft (0.8m), 8s period with W swell.
Best Forecast Surf Conditions for Tronoen this week:
The surf forecast for Tronoen over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 2AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.6m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Tronoen in the next 16 days are 3.0m 10s and forecast to arrive on Monday (Aug 31) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Sep 02) at 2AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 28th Aug) | 2.5ft (0.8m) 8s |
| Best Surf | 11PM (Sat 29th Aug) | 10ft (3.0m) 10s |
| Most Powerful | 8AM (Mon 31st Aug) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Tronoen over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s talk about your local surf outlook. Straight up, we’re looking at a grim run for a while with some light at the tail end.
For Tronoen, the next week and a half is mostly a no-go. We’ve got swell hitting the beach, no doubt, but the wind is locked in onshore from the WSW or SW for days on end, absolutely wrecking any chance of a clean wave. We see a real blow-up from the 29th of August into the 30th, with a big, chunky 8 ft to 10 ft swell from the WSW, but it’s arriving with 22 mph winds. That’s not for paddling; that’s kite-surfing territory. The combined energy is ripping through the roof, hitting 709 and then 1046 (strong to very strong energy), but with those winds, it’s a washing machine. Even the moderate size stuff around the 31st of August (8 ft from the west, 1580 energy) is trashed by cross-onshore wind.
We’ve got a massive gap with zero recommended surf until we hit Saturday, the 5th of September. That’s a full week of nothing but blown-out slop.
Now, here’s the stand-out moment. On the morning of Saturday the 5th of September, the stars finally align for a few hours. We get a clean 5 ft swell coming from the WNW with a nice long period of 11 seconds. That’s a proper groundswell. But the real kicker is the wind: glassy calm (0 mph) from the NE. That means the ocean will be dead flat glassy clean. The water temp here is about 63°F, which is a bit colder than normal for this time of year, so don’t forget the rubber. This is your one true standout. The combined energy is 463 (moderate), but the quality from the glassy conditions makes it the best we’ve got on the whole chart. After that morning, it’s back to onshore breezes and poor conditions.
The long-range stuff into the second week of September is still not great. Swell sticks around, but the wind is all wrong. The only whisper of something clean is Wednesday the 9th and Friday the 11th of September with cross-offshore winds from the SE and NNW, but the wave heights are small (3 ft to 3 ft) and the energy is weak. It’s a gamble, but that’s about all we have.
Stay patient. That Saturday morning is your window.
Rusty
Short Range ForecastLight rain (total 8mm), mostly falling on Sat morning. Warm (max 20°C on Sat morning, min 16°C on Thu night). Winds increasing (calm on Thu night, strong winds from the SW by Sat morning). | Days 5-7 Weather SummarySome drizzle, heaviest during Sun night. Very mild (max 19°C on Wed afternoon, min 16°C on Mon night). Winds decreasing (fresh winds from the WSW on Sun night, calm by Wed morning). | ||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||
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 8 | W 9 | WNW 9 | SW 7 | WSW 8 | WSW 8 | W 9 | WNW 9 | W 9 | W 9 | W 10 | W 10 | W 10 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 78 | 176 | 135 | 158 | 791 | 1145 | 904 | 528 | 710 | 1150 | 1555 | 967 | 550 | 276 | 262 | 131 | 103 | 114 | 82 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | cross-on | on | on | on | on | cross-on | on | on | cross-on | cross-on | cross-off | glassy | cross-on | cross | glassy | cross-on | cross-off |
High Tide | 5:36AM3.83m | 5:49PM4.14m | 6:06AM3.97m | 6:20PM4.25m | 6:37AM4.05m | 6:51PM4.26m | 7:09AM4.06m | 7:24PM4.19m | 7:43AM3.99m | 8:00PM4.03m | 8:20AM3.84m | 8:41PM3.78m | |||||||
Low Tide | 11:31PM0.35m | 11:40AM0.33m | 00:03AM0.19m | 12:12PM0.21m | 00:34AM0.12m | 12:44PM0.16m | 1:06AM0.12m | 1:17PM0.20m | 1:39AM0.22m | 1:53PM0.33m | 2:16AM0.41m | 2:34PM0.53m | 2:58AM0.67m | ||||||
 |  | |  | | |  | | |  | | |  |  | | | |  | | |
 | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — |
 | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 | — | 8:59 | — | — | 8:57 | — |
mm | 2 | — | — | 1 | 3 | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 18 | 17 | 17 | 19 | 18 |
Feels °C | 19 | 16 | 16 | 19 | 15 | 13 | 15 | 16 | 14 | 13 | 15 | 15 | 17 | 16 | 16 | 14 | 18 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 9 | WNW 9 | WNW 8 | — | — | W 9 | WNW 9 | — | — | W 10 | W 10 | W 10 | WNW 9 | S 16 | WNW 8 | WNW 8 | SW 15 | WNW 8 |
| kJ | 78 | 176 | 135 | 62 | — | — | 904 | 528 | — | — | 1555 | 967 | 550 | 276 | 5 | 131 | 103 | 9 | 82 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SW 6 | S 8 | WNW 8 | — | — | SSW 7 | — | — | — | — | — | — | — | — | S 16 | NW 10 | SW 15 | SW 14 |
| kJ | 30 | 21 | 1 | 41 | — | — | 142 | — | — | — | — | — | — | — | — | 5 | 4 | 9 | 8 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | — | — |
| kJ | 55 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 6 | SW 7 | WSW 8 | WSW 8 | — | SSW 7 | W 9 | W 9 | — | — | — | — | WNW 9 | NNW 4 | — | WNW 8 | — |
| kJ | — | — | 19 | 158 | 791 | 1145 | — | 76 | 710 | 1150 | — | — | — | — | 262 | 18 | — | 114 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 8 | 274 | 2 | 2 | 481 | 433 | 2 | 106 | 291 | 481 | 52 | 62 | 2 | 2 | 259 | 2 | 2 | 18 |
Best forecast wave conditions in Finistere - Brittany | |||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||
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Information about the Tronoen Surf forecast
The above surf forecast table for Tronoen provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tronoen can be found by selecting the local surf guide option on the grey menu. Our Tronoen 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 (Tronoen) 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 Tronoen 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.
Tronoen is 13 km (8 miles) from the city of Loctudy. If you plan a holiday in Finistere - Brittany, look for hotels and other accommodation in Loctudy. Loctudy has rooms for a wide range of budgets as well as car hire and transport links.
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