Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Photo: JYB Devot / Wikimedia Commons · CC BY-SA 4.0
Today at Plage de la fontaine aux Bretons: Good for swimming — 77/100 for expert level. Wind 7 kn NE · Tide -1.2 to 0.2 m. Best window around 00:00 UTC. Today's conditions at Plage de la fontaine aux Bretons: 0.2m waves with light offshore wind. Kite Foiling looks Good in the midday, with Paddleboarding 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 la fontaine aux Bretons faces SW, open to the prevailing swell and wind. For swimming that is the hard direction: expect the surface to be workable only when the forecast genuinely drops, not on an average day.
Today's wind is offshore at 7 kn. Light enough that the surface should stay workable for swimming.
Over the published window Plage de la fontaine aux Bretons clears 60/100 for swimming 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, 0 of 10 daylight hours clear that line at Intermediate.
Among the 31 scored spots within reach today, Plage de la fontaine aux Bretons ranks 20th for swimming. 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 small (about 50 m), sheltered sandy cove near Pornic, protected from open swell by flanking cliffs and rocks. Sand fills the swimming corridor, marked by wooden posts; submerged rocks at the edges are a hazard. In a ZNIEFF zone, Conservatoire du Littoral-protected. Better for swimming at high tide; low tide exposes rock pools and shellfish grounds. Unsupervised, no facilities, not wheelchair accessible; dogs permitted October–March only, leashed.
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Get the free Plage de la fontaine aux Bretons widgetToday's conditions for Plage de la fontaine aux Bretons are free. Unlock the full 8-day forecast and per-sport alerts that ping you when this location is about to fire. more than 2,500 European locations, scored from the seabed up.
Wind at Plage de la fontaine aux Bretons today: 7 kn NE (gusting 15 kn). Wind direction relative to the shore affects swimming 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 la fontaine aux Bretons today: 0.4 m, 13 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 swimming at Plage de la fontaine aux Bretons today is around 23:00 UTC, when conditions score 75/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Plage de la fontaine aux Bretons scores 70/100 today for kayaking — 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 la fontaine aux Bretons 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 la fontaine aux Bretons is a coastal location near La Blavetière 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 la fontaine aux Bretons, 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.
