Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Photo: Wusel007 / Wikimedia Commons · CC BY-SA 3.0
Today at Playa de San Juan: Good for e-foiling — 79/100 for expert level. Wind 9 kn E · Tide -0.5 to 0.3 m. Best window around 00:00 UTC. Today's conditions at Playa de San Juan: 0.9m waves with moderate cross-shore wind. E-Foiling looks Good in the morning, with Paddleboarding also worth considering. Water temperature is 25°C / 76°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.
Playa de San Juan faces S. For e-foiling how much swell and wind that aspect keeps out matters more than the open-water forecast.
Today's wind is cross-shore at 9 kn. At that strength expect a textured surface for e-foiling, and the shelter of the bay to matter more than the forecast number.
Over the published window Playa de San Juan clears 60/100 for e-foiling at Advanced, Expert levels — that is who this spot is for on this sport. Today, 0 of 11 daylight hours clear that line at Intermediate.
Among the 30 scored spots within reach today, Playa de San Juan ranks 22nd for e-foiling. 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 compact, dark-sand volcanic beach inside a fishing harbour; the breakwater kills swell, giving flat, calm water suited to swimming, snorkelling, scuba and paddleboarding rather than surfing or windsports. Rock formations and caves nearby are used for diving. Blue Flag certified since 2012, with a lifeguard service confirmed present though hours are undocumented. Entry and exit are described as easy, with no rip currents or rocks noted at the waterline.
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Get the free Playa de San Juan widgetToday's conditions for Playa de San Juan 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 Playa de San Juan today: 9 kn E (gusting 16 kn). Wind direction relative to the shore affects e-foiling conditions significantly — offshore winds produce cleaner, glassier surfaces while onshore winds add chop. These are daily averages; the 4Shor app shows hourly detail.
For beginners, Playa de San Juan scores 17/100 today for paddleboarding — Don't Bother. 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.
Playa de San Juan is scored for 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.
Playa de San Juan is a coastal location near Playa San Juan in Spain. 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 Playa de San Juan, 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.
