Biologia (Mar del Plata) Surf Forecast and Surf Report

Alright, folks, it’s Rusty here. Let’s be straight with you – we’ve got a tough stretch ahead. There’s no real swell on the horizon for a good while, and what we do see is going to take its sweet time to show up. Let’s get into it.

The first couple of weeks look grim. From Thursday 13 August right through to Saturday 22 August, we are staring down a run of nothing but small, weak, and messy slop. The energy is tiny, with readings like 4 and 18 – barely a ripple. Winds are mostly onshore or cross-shore, chopping up anything that might think about forming. Don’t even bother for this first week; it’s a total drought.

Sunday 16 August morning brings a slight tease at Biologia, with a weak 3ft swell from the east, period around 7 seconds. The wind is light and cross-offshore, so the surface will be clean, but the wave quality is described as “very ordinary.” The energy is still just 98 – weak. It’s surfable if you’re desperate, but it's not going to get the heart pumping.

By Monday 17 August, the wind builds, and that’s about it. We see energy climbing a little (172 and 205), but the swell direction moves around and the wind is fresh and cross – lumpy, choppy conditions. Not worth paddling out for.

Then, after a flat end to the month, things get interesting. On Wednesday 26 August morning, we are still flat. But look at the afternoon – a 7ft south-easterly swell rolls in with a long period of 14 seconds. That’s groundswell energy, and the power is massive: 1736. That’s strong. But – and this is a big but – the wind is cross-onshore and moderate, making it choppy. That size is getting into expert-only territory. The swell direction from the south-east isn’t a perfect match for the optimum north-east, so it might not set up perfectly at Biologia. Still, this is the biggest pulse of the whole forecast.

Thursday 27 August holds onto that energy with a 4ft, 12-second swell from the south-east. The combined energy is still 516 – moderate to strong. The wind is lighter, onshore, but it could be a bit better. By Friday 28 August, the swell is back to around 5-7ft from the ENE, period dropping to 7-8 seconds, but the onshore wind takes the shine off.

So, where’s the standout? Right at the tail end: Wednesday 26 August afternoon and Thursday 27 August. That’s the real groundswell. It’s the only proper energy we get. For the experienced crew, it might be worth waiting for that call. But for the next two weeks? It’s a long, quiet wait.

Rusty.

Read more