Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Photo: PIERRE ANDRE LECLERCQ / Wikimedia Commons · CC BY-SA 4.0
Today at Plage de Tresmeur: Good for kite surfing — 72/100 for intermediate level. Wind 7 kn SE · Waves 1.6 m, 9 s · Tide -1.6 to 0.9 m. Best window around 12:00 UTC. Today's conditions at Plage de Tresmeur: 1.3m waves with light cross-shore wind. Kite Foiling looks Epic! in the midday, with E-Foiling also worth considering. Water temperature is 17°C / 62°F.
Forecast updated · ShorSense™
Today plus the next two days are free for everyone — scored in 3-hour windows, just like the app. The full 8-day forecast lives in the 4Shor app.
Plage de Tresmeur faces SW, open to the prevailing westerlies, so the wind arrives off the water rather than filtered through the land — the clean, steady flow kite surfing wants, and the reason gusts here are sea breezes rather than land turbulence.
Today's wind is cross-shore at 7 kn. Straight cross-shore is the classic kite surfing direction: it lets you hold a line along the beach rather than fighting to get back to it.
Over the published window Plage de Tresmeur clears 60/100 for kite surfing at Intermediate, Advanced, Expert levels — that is who this spot is for on this sport. Today, 3 of 10 daylight hours clear that line at Intermediate.
Among the 31 scored spots within reach today, Plage de Tresmeur ranks 27th for kite surfing. The order changes by discipline: the same conditions that put a spot top for one sport can drop it down the list for another.
Satellite-derived bathymetry with 10 m pixels and 10 cm vertical resolution out to ~40 m depth. The shape of the seabed is what determines where and how waves break.
Most apps run a single global model at 9–25 km. We blend regional NWP from national meteorological offices at 1.3–2 km — UK Met Office UKV, Météo-France AROME HD, ItaliaMeteo ICON-2I — with ECMWF IFS for the 8-day horizon. Finer resolution means the sea breeze, cliff funnelling and bay shadowing that changes everything for a session.
A nearshore wave model propagates the spectrum across the bathymetric mesh — modelling refraction, shoaling, dissipation, focusing and breaking as it goes. Most apps stop at swell + wind. We go further.
10 sport models × 4 ability levels weight wave height, period, wind, tide and breaking conditions differently — calibrated against ridden sessions so the scores mean what they say.
A large sandy tourist beach beside a marina, with a flat-water freeride character rather than a surf break — the bay dampens swell, while SW wind makes it a rare windsurf, kitesurf and wingfoil spot here. Watersports work only at low tide, since the harbour breakwater sits too close at high water; moored boats are a hazard then. An SNSM rescue post operates at the entrance in July and August. Dogs banned by day May-September.
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Wind at Plage de Tresmeur today: 7 kn SE (gusting 26 kn). Wind direction relative to the shore affects kite surfing conditions significantly — offshore winds produce cleaner, glassier surfaces while onshore winds add chop. These are daily averages; the 4Shor app shows hourly detail.
Waves at Plage de Tresmeur today: 1.6 m, 9 s period from W, peeling character. 4Shor derives nearshore wave conditions from ECMWF IFS 9-km atmospheric data and the IBI regional ocean model, updated hourly.
The best window for kite surfing at Plage de Tresmeur today is around 12:00 UTC, when conditions score 72/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Plage de Tresmeur scores 67/100 today for surfing — Good. A score of 65–79 is Good for a beginner; 80+ is Excellent (90+ is Epic!); below 45 the session is usually not worth it. 4Shor scores every location across Beginner, Intermediate, Advanced and Expert levels.
Plage de Tresmeur is scored for Surfing, Windsurfing, Kite Surfing, Kite Foiling, Wing Foiling, E-Foiling, Paddleboarding, Swimming, Kayaking, Canoeing in the 4Shor forecast system. Conditions are rated Beginner through Expert for each sport, updated every hour, so you always know whether the session is worth the drive.
Plage de Tresmeur is a coastal location near Liors An Treut in France. It is one of more than 2,500 European water-sport locations scored daily by 4Shor.
4Shor's ShorSense™ system combines satellite-derived seafloor mapping, nearshore wave models, wind and tide data to generate a hyper-local forecast. At Plage de Tresmeur, conditions are scored hourly on a 0–100 scale for each sport and ability level. A score of 80+ means Excellent (90+ Epic!); 65–79 is Good; below 45 the session is usually not worth the drive.
Questions about 4Shor itself — accuracy, pricing, the free trial — are answered on the FAQ page.
