Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Photo: Bj.schoenmakers / Wikimedia Commons · CC0
Today at Plage de Porto: Okay for windsurfing — 61/100 for intermediate level. Wind 3 kn SE · Waves 1.0 m, 6 s · Tide -0.5 to -0.3 m. Best window around 17:00 UTC. Today's conditions at Plage de Porto: 0.6m waves with light offshore wind. E-Foiling looks Excellent in the midday, with Paddleboarding also worth considering. Water temperature is 23°C / 74°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 Porto faces NW, open to the prevailing westerlies, so the wind arrives off the water rather than filtered through the land — the clean, steady flow windsurfing wants, and the reason gusts here are sea breezes rather than land turbulence.
Today's wind is offshore at 3 kn. Offshore is the one to be careful with for windsurfing — a failure blows you away from the beach, so it is a spot for a safety boat or a change of plan rather than a solo session.
Over the published window Plage de Porto clears 60/100 for windsurfing at Intermediate level — 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, Plage de Porto ranks 31st for windsurfing. 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 WNW-facing pebble beach at a river mouth, backed by red granite cliffs in a UNESCO-listed gulf. Exposed to Atlantic swell, its steep shelving bottom produces dumping waves rather than a rideable break, with river-mouth undercurrents — suited to swimming, snorkelling and sea kayaking, not surfing. Coarse pebbles call for swimming shoes. Swimming is banned in the marina; the supervised main beach lies behind a historic tower, patrolled in summer.
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Wind at Plage de Porto today: 3 kn SE (gusting 24 kn). Wind direction relative to the shore affects windsurfing 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 Porto today: 1.0 m, 6 s period from NE, mushy 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 windsurfing at Plage de Porto today is around 17:00 UTC, when conditions score 61/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Plage de Porto scores 64/100 today for surfing — Okay. 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 Porto 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 Porto is a coastal location near Porto 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 Porto, 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.
