Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Photo: Vitor Oliveira from Torres Vedras, PORTUGAL / Wikimedia Commons · CC BY-SA 2.0
Today at Praia da Foz do Arelho: Epic! for kite foiling — 92/100 for expert level. Wind 11 kn E · Waves 1.1 m, 12 s · Tide -1.2 to 0.3 m. Best window around 08:00 UTC. Today's conditions at Praia da Foz do Arelho: 1.0m waves with moderate offshore wind. Kite Foiling looks Excellent in the afternoon, 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 dual-character beach where a lagoon meets the Atlantic: an exposed, WNW-facing ocean side with a powerful, inconsistent sandy break, best on a west swell at mid tide; a sheltered, flat-water lagoon side suits beginner kitesurfing, windsurfing, paddleboarding and sailing. The two are split by a hazardous tidal breach channel and rock shoals. Kitesurfing and windsurfing aren't officially permitted ocean-side in the main bathing season (15 June-15 Sept).
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Get the free Praia da Foz do Arelho widgetToday's conditions for Praia da Foz do Arelho 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.
Praia da Foz do Arelho scores 84/100 today for surfing at intermediate level — Excellent. Wind 11 kn E · Waves 1.1 m, 12 s · Tide -1.2 to 0.3 m. Best window around 10:00 UTC. Scores are updated hourly by 4Shor ShorSense™.
Wind at Praia da Foz do Arelho today: 11 kn E (gusting 19 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 Praia da Foz do Arelho today: 1.1 m, 12 s period from NW, 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 surfing at Praia da Foz do Arelho today is around 10:00 UTC, when conditions score 84/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Praia da Foz do Arelho scores 36/100 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.
Praia da Foz do Arelho 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.
Praia da Foz do Arelho is a coastal location near Foz do Arelho in Portugal. 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 Praia da Foz do Arelho, 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.
