Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Photo: Sergio.Poppi / Wikimedia Commons · CC BY 2.0
Today at Su Giudeu Beach: Good for paddleboarding — 76/100 for expert level. Wind 13 kn SE · Tide -0.5 to -0.4 m. Best window around 17:00 UTC. Today's conditions at Su Giudeu Beach: 1.4m waves with moderate onshore wind. Kite Foiling looks Excellent in the afternoon, with Wing Foiling also worth considering. Water temperature is 24°C / 75°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.
Su Giudeu Beach faces SE, tucked away from the prevailing westerly swell — the aspect that gives paddleboarding the flat, sheltered water it needs more often than an exposed coast would.
Today's wind is onshore at 13 kn. At that strength expect a textured surface for paddleboarding, and the shelter of the bay to matter more than the forecast number.
Over the published window Su Giudeu Beach clears 60/100 for paddleboarding 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 31 scored spots within reach today, Su Giudeu Beach ranks 27th for paddleboarding. 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 wide, dune-backed beach of fine golden sand on Sardinia's south coast, with a small islet offshore reachable on foot at low tide. The sandy seabed stays shallow for tens of metres; a beach break offers lefts and rights, best on south-easterly swell, though summer is mostly flat. Exposed to wind, it's a noted kite and windsurf spot, but beach launches are barred in summer — kiters are taken out by dinghy. Seasonal lifeguards are present.
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Wind at Su Giudeu Beach today: 13 kn SE (gusting 28 kn). Wind direction relative to the shore affects paddleboarding 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 Su Giudeu Beach today: 1.5 m, 6 s period from SE, closing 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 paddleboarding at Su Giudeu Beach today is around 00:00 UTC, when conditions score 52/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Su Giudeu Beach scores 35/100 today for surfing — Poor. 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.
Su Giudeu Beach 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.
Su Giudeu Beach is a coastal location near Setti Ballas in Italy. 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 Su Giudeu Beach, 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.
