Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Photo: Colin Park / Wikimedia Commons · CC BY-SA 2.0
Today at Banna Bay Beach: Okay for windsurfing — 63/100 for advanced level. Wind 5 kn E · Waves 1.9 m, 14 s · Tide -1.1 to 0.2 m. Best window around 13:00 UTC. Today's conditions at Banna Bay Beach: 1.7m waves with light offshore wind. Surfing looks Excellent in the afternoon, with Kite Foiling also worth considering. Water temperature is 13°C / 56°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.
Banna Bay Beach faces W, 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 5 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 Banna Bay Beach clears 60/100 for windsurfing at Advanced, Expert levels — that is who this spot is for on this sport. Today, 0 of 10 daylight hours clear that line at Intermediate.
Among the 31 scored spots within reach today, Banna Bay Beach ranks 21st 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 long, wide, west-facing Blue Flag beach on the north Kerry coast, backed by dunes and exposed to Atlantic swell. A sandy sandbar break gives left and right waves with west swell and east offshore wind, suited to intermediate surfers, lessons available, plus kitesurfing and windsurfing in the open, windy setting. Dogs must be leashed and excluded from the Blue Flag zone 11am-7pm in summer. Lifeguards patrol June-August; voluntary Banna Rescue runs 24/7.
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Wind at Banna Bay Beach today: 5 kn E (gusting 16 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 Banna Bay Beach today: 1.9 m, 14 s period from N, hollow 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 Banna Bay Beach today is around 14:00 UTC, when conditions score 42/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Banna Bay Beach scores 52/100 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.
Banna Bay 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.
Banna Bay Beach is a coastal location near Ballin Prior in Ireland. 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 Banna Bay 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.
