Live wave height, wind and water temp — plus an 8-day forecast scored 0–100 for every sport.
Today at Plage de Port Mer: Excellent for kite surfing — 80/100 for beginner level. Wind 9 kn SE · Waves 1.0 m, 9 s · Tide -2.3 to 1.4 m. Best window around 08:00 UTC. Today's conditions at Plage de Port Mer: 0.5m waves with light onshore wind. Kite Foiling looks Epic! in the morning, 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.
Plage de Port Mer faces E, so the prevailing westerly comes over the land before it reaches you. For kite surfing that usually means a gustier, less predictable flow than the raw wind speed suggests.
Today's wind is cross-onshore at 9 kn. Leaning onshore, which is the forgiving side for kite surfing: you can hold a line along the beach and anything that goes wrong still drifts you in.
Over the published window Plage de Port Mer clears 60/100 for kite 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, 8 of 10 daylight hours clear that line at Intermediate.
Among the 31 scored spots within reach today, Plage de Port Mer ranks 5th for kite 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 sheltered, east-facing family beach in a small bay, protected from prevailing southwesterly winds, within a Natura 2000 and UNESCO World Heritage zone. A resident nautical centre offers sailing, with designated kitesurfing and windsurfing zones and kayak and paddle activities; moored boats are a hazard. The huge Atlantic tidal range means swimming is only possible around high tide. Lifeguard supervision is inconsistently reported.
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Wind at Plage de Port Mer today: 9 kn SE (gusting 19 kn). Wind direction relative to the shore affects kite 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 Plage de Port Mer today: 1.0 m, 9 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 kite surfing at Plage de Port Mer today is around 03:00 UTC, when conditions score 79/100 for intermediate level. Conditions can shift by the hour — the 4Shor app shows the full 24-hour score chart.
For beginners, Plage de Port Mer scores 83/100 today for kite foiling — Excellent. 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 Port Mer 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 Port Mer is a coastal location near Port Mer 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 Port Mer, 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.
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