Surf Forecasts:
Tronoen surf forecast from 8 Sep 2026:
- Best quality surf: Sunday 13 Sep, 8AM (local time) - 5ft (1.6m), 12s period, WNW swell with glassy winds.
- Most powerful swell: Sunday 13 Sep, 5AM (local time) - 5ft (1.6m), 12s period, WNW swell with 725 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 2AM (local time) - 4ft (1.2m), 9s period with NW 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 Thursday (Sep 10) at 2AM. The primary swell is predicted to be 1.2m and 9s period with a secondary swell of 0.6m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Tronoen in the next 16 days are 1.6m 12s and forecast to arrive on Sunday (Sep 13) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Sep 15) at 5AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 10th Sep) | 4ft (1.2m) 9s |
| Best Surf | 8AM (Sun 13th Sep) | 5ft (1.6m) 12s |
| Most Powerful | 5AM (Sun 13th Sep) | 5ft (1.6m) 12s |
Table - best surf conditions forecast for Tronoen over the next 16 days.
The Lowdown
Alright folks, Rusty here. We’ve got a 16-day window for Tronoen, and it’s a bit of a mixed bag. First thing you need to know: the water is about average for the time of year, nothing wild to report on that front.
The pattern starts off with a bit of a wait. We’ve got some swell rolling in on Wednesday morning, September 9th, with waves around 6ft from the WNW and a period of 9 seconds. The combined energy is moderate (631), but the wind is a cross-shore from the NNW at 9 mph, so it’s a bit grotty, with a slight cross-chop. It’s only a marginal call, and the afternoon goes downhill fast with a cross-onshore breeze and choppy conditions. Thursday and Friday are similar – not worth paddling out for, with onshore winds and small, messy waves.
We hit a quiet patch for a few days with no real standouts. Saturday morning, September 12th, offers a brief moment of calm: glassy conditions, 3ft from the west, but it’s short period (8 seconds) and the energy is weak (187). It’s surfable, but totally ordinary.
The real story here is the two standout days, and they’re worth waiting for. The first big highlight is on Saturday morning, September 19th. We’ve got a 5ft swell from the WNW, with a 11-second period and combined energy of 584 (moderate). The wind is offshore from the NE at 6 mph, and it’s clean. The forecast is calling for very good surf conditions. This is a solid bet for an intermediate surfer – the size is right, and that offshore wind will keep the faces clean. Expect crowds to be possible.
The second standout is on Wednesday morning, September 23rd. This one is a bit further out, so treat it as promising but less certain. The swell is 4ft from the west, but look at that period: 16 seconds – that’s proper groundswell, very long period. The combined energy is moderate (622). With a light cross-offshore breeze from the NE at 6 mph, the conditions will be clean. This is a classic set-up for a point or reef, as long-period swell like this can be a bit straight at a beach break. Given Tronoen’s exposure and the optimum swell direction from the WSW, this one could be special.
Don’t bother with the second week after the 23rd until the 24th, which shows some promise, but it’s a tease. The rest of the period is mostly onshore crud or knee-high dribble. Hang in there for the 19th and 23rd.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Fri afternoon, min 15°C on Wed night). Winds decreasing (fresh winds from the NW on Tue night, calm by Wed night). | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Mon afternoon, min 16°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||
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 | NW 10 | NW 9 | NW 9 | NW 8 | WNW 10 | W 10 | W 9 | W 8 | W 8 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | NW 9 | W 9 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 340 | 497 | 471 | 258 | 115 | 70 | 512 | 529 | 270 | 165 | 127 | 440 | 677 | 677 | 591 | 388 | 128 | 101 | 68 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | glassy | cross-on | on | on | cross | cross-on | cross-off | glassy | on | cross-on | on | cross-on | cross | glassy | cross-on | off |
High Tide | 4:09AM3.71m | 4:26PM4.12m | 4:52AM3.97m | 5:07PM4.35m | 5:30AM4.15m | 5:45PM4.46m | 6:05AM4.23m | 6:20PM4.44m | 6:38AM4.21m | 6:53PM4.30m | 7:09AM4.10m | 7:25PM4.07m | |||||||
Low Tide | 9:48PM0.47m | 10:04AM0.47m | 10:34PM0.17m | 10:48AM0.19m | 11:15PM-0.04m | 11:28AM0.01m | 11:53PM-0.12m | 12:05PM-0.06m | 00:29AM-0.08m | 12:42PM-0.00m | 1:03AM0.07m | 1:18PM0.16m | 1:37AM0.31m | ||||||
 | | |  |  | | | | |  | | | | | | | | | | |
 | — | 7:45 | — | — | 7:46 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — |
 | 8:45 | — | 8:43 | — | — | 8:40 | — | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 20 | 19 | 16 | 18 | 18 | 18 | 20 | 19 | 20 | 23 | 23 |
Feels °C | 11 | 13 | 12 | 13 | 16 | 14 | 15 | 17 | 18 | 16 | 16 | 17 | 17 | 18 | 20 | 18 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | W 9 | WNW 9 | NW 10 | NW 9 | NW 9 | NW 8 | WNW 10 | W 10 | W 9 | W 8 | W 8 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | NW 9 | W 9 | W 8 |
| kJ | 340 | 497 | 471 | 258 | 115 | 70 | 512 | 529 | 270 | 165 | 127 | 440 | 677 | 677 | 591 | 388 | 128 | 101 | 68 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | WSW 9 | WSW 8 | WSW 8 | W 8 | W 11 | WNW 10 | — | — | — | WNW 16 | W 8 | — | — | — | — | W 9 | WNW 10 | NW 9 |
| kJ | 78 | 134 | 94 | 51 | 29 | 9 | 83 | — | — | — | 50 | 68 | — | — | — | — | 81 | 63 | 39 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 13 | W 12 | W 11 | — | — | — | — | WNW 10 | W 10 | — | — | — | — | — | — | W 14 |
| kJ | — | — | — | 3 | 11 | 9 | — | — | — | — | 10 | 8 | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | NW 9 | — | — | — | — | WSW 8 | W 8 | — | — | — | — | — | — | — | — | — | — | — | ENE 2 |
| kJ | 336 | — | — | — | — | 45 | 177 | — | — | — | — | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 0 | 2 | 2 | 28 | 9 | 60 | 0 | 0 | 2 | 2 | 2 | 18 | 8 | 0 | 2 | 0 |
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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