Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
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Today at Itzurun Hondartza: Excellent for surfing — 89/100 for intermediate level. Wind 3 kn SW · Waves 1.1 m, 14 s · Tide -1.1 to 0.3 m. Best window around 16:00 UTC. Today's conditions at Itzurun Hondartza: 1.1m waves with light onshore wind. Surfing looks Excellent in the afternoon, with E-Foiling also worth considering. Water temperature is 18°C / 65°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.
Itzurun Hondartza faces SW, straight into the prevailing Atlantic swell window — the reason it has waves at all, and the reason it is rarely flat.
Today's wind is onshore at 3 kn. Onshore is the awkward one for surfing: it adds chop and pushes the wave over before it can stand up.
Over the published window Itzurun Hondartza clears 60/100 for surfing 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, 9 of 10 daylight hours clear that line at Intermediate.
Among the 31 scored spots within reach today, Itzurun Hondartza ranks 18th for surfing. 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 urban beach at the foot of flysch cliffs within a protected Geopark biotope, its SW-facing beach break handling NNW swells for lefts and rights, best in winter; a rocky tidal platform borders the western end. Surfing, bodyboarding and windsurfing are permitted; dogs banned in season. Lifeguards cover the same season, 10:00-19:30. Low tide favours surf quality but exposes a slippery platform; a shorebreak forms near the cliff at high tide.
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Wind at Itzurun Hondartza today: 3 kn SW (gusting 8 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 Itzurun Hondartza today: 1.1 m, 14 s period from NW, crumbling 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 Itzurun Hondartza today is around 16:00 UTC, when conditions score 89/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Itzurun Hondartza scores 90/100 today for surfing — Epic!. 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.
Itzurun Hondartza 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.
Itzurun Hondartza is a coastal location near Zumaia 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 Itzurun Hondartza, 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.
