Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Photo: Llann Wé² / Wikimedia Commons · CC BY-SA 4.0
Today at Plage de Trehervé: Excellent for kayaking — 82/100 for expert level. Wind 5 kn E · Tide -1.2 to 0.2 m. Best window around 05:00 UTC. Today's conditions at Plage de Trehervé: flat with light cross-shore wind. E-Foiling looks Excellent in the morning, with Kite Foiling also worth considering. Water temperature is 16°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 Trehervé faces SE, tucked away from the prevailing westerly swell — the aspect that gives kayaking the flat, sheltered water it needs more often than an exposed coast would.
Today's wind is cross-shore at 5 kn. Light enough that the surface should stay workable for kayaking.
Over the published window Plage de Trehervé clears 60/100 for kayaking at every ability from Beginner to Expert — an unusually broad spot, which normally means a range of conditions rather than one narrow sweet spot. Today, 10 of 10 daylight hours clear that line at Intermediate.
Among the 31 scored spots within reach today, Plage de Trehervé ranks 5th for kayaking. 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 quiet, semi-wild sandy beach curving into a sheltered bay, backed by greenery, mainly used by campervan and camping visitors. The mixed bottom of sand, pebbles, shells and mud or silt is exposed at low tide, so footwear and high-tide entry are advised. Minimal swell, no surf break, but a designated kitesurf zone, plus sand yachting, pedalos and shellfish foraging. Unsupervised year-round, no lifeguard. Dogs banned 1 March-30 September.
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Wind at Plage de Trehervé today: 5 kn E (gusting 15 kn). Wind direction relative to the shore affects kayaking 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 Trehervé today: 0.3 m, 10 s period from N, surging 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 kayaking at Plage de Trehervé today is around 06:00 UTC, when conditions score 82/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Plage de Trehervé scores 87/100 today for windsurfing — Excellent. 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 Trehervé 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 Trehervé is a coastal location near Tréhervé 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 Trehervé, 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.
