Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Today at Plage de Boisvinet: Epic! for kite foiling — 96/100 for expert level. Wind 8 kn W · Waves 1.3 m, 14 s · Tide -1.3 to 0.4 m. Best window around 11:00 UTC. Today's conditions at Plage de Boisvinet: 0.8m waves with light cross-shore wind. Kite Foiling looks Epic! in the midday, with Wing Foiling also worth considering. Water temperature is 16°C / 61°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.
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 sheltered, south-facing family beach of 400-600m backed by a corniche near the harbour entrance. Sandy with rocks and pebbles exposed at low tide, when a natural basin forms, suiting calm swimming, sailing, windsurfing and kayaking via an onsite nautical centre rather than surf or kite. Currents can build near the harbour mouth. A dedicated lifeguard post supervises swimming through summer, with partial cover in June and September; dogs are permitted.
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Plage de Boisvinet scores 65/100 today for surfing at intermediate level — Good. Wind 8 kn W · Waves 1.3 m, 14 s · Tide -1.3 to 0.4 m. Best window around 12:00 UTC. Scores are updated hourly by 4Shor ShorSense™.
Wind at Plage de Boisvinet today: 8 kn W (gusting 31 kn). Wind direction relative to the shore affects 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 Boisvinet today: 1.3 m, 14 s period from N, 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 surfing at Plage de Boisvinet today is around 12:00 UTC, when conditions score 65/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Plage de Boisvinet scores 81/100 today for surfing — 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 Boisvinet 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 Boisvinet is a coastal location near Saint-Gilles-Croix-de-Vie 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 Boisvinet, 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.
