Biologia (Mar del Plata) Surf Forecast and Surf Report

G’day, Rusty here. Well, I’ve gotta be straight with you – the next 16 days are a real tough stretch for anyone looking to paddle out around Mar del Plata. There’s no standout surf on the cards, just a long, drawn-out period of small, weak, and pretty average conditions that are going to test your patience.

The main spot we’re looking at is Biologia (Mar del Plata), a beginner-friendly point break that’s very consistent. But for this whole window, it’s just not doing its thing. The water temp is sitting at 51°F, which is a good 4°F warmer than normal for this time of year – a bit of a surprise given how unappealing the waves are.

We start off with a bit of a whimper on Thursday the 3rd of September. There’s a tiny 2 ft east swell with a period of 9 seconds, but the combined energy is weak (61), and a cross-off breeze from the SW keeps it clean but still “poor surf conditions.” That sets the tone. Friday the 4th is even smaller, and by Saturday the 5th, we’re down to 1 ft from the ESE with a moderate breeze and lumpy cross-shore chop. Sunday the 6th is basically flat, with less than 0.7 ft and an onshore wind.

We get a slight flicker of hope on Monday the 7th with 2 ft from the SE and a 10-second period (51 energy), but it’s not enough to get excited about. From there, it’s a long, drawn-out grind of tiny swells under 2 ft, with most readings in the “poor surf conditions” bucket. The wind does swing offshore a couple of times – like on Wednesday the 9th and Thursday the 10th with a gentle offshore from the WNW and NW, keeping things clean – but the swell is just too small to ride.

Even the glassy moment on Saturday the 12th (2 ft east, 9 seconds, 41 energy) with zero wind can’t save it. That’s as good as it gets, and that’s saying something. The second week flat out doesn’t deliver either. We keep seeing tiny 0.7 ft to 1 ft swells, mostly with moderate to fresh breezes, and by the 17th, the guidance shows a full flat day with zero energy.

There are brief glimpses of a 2 ft swell from the NE on Friday the 18th, but it’s a short-period windswell (4 seconds) with only 17 energy – not worth chasing. Honestly, if you’re set on getting wet, this is more of a kiteboarding prospect with these clean cross-off winds and small, weak surf than anything for a paddle surfer. A blank run like this is a tough pill to swallow, but it happens in this region. Forecasts can change, but right now, I’d leave the board at home.

Rusty.

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