Surf Forecasts:
Biologia (Mar del Plata) surf forecast from 22 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 9PM (local time) - 4ft (1.2m), 13s period, SE swell with cross-offshore winds.
- Most powerful swell: Wednesday 26 Aug, 12AM (local time) - 5ft (1.6m), 13s period, SE swell with 859 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 9PM (local time) - 4ft (1.2m), 13s period with SE swell.
Best Forecast Surf Conditions for Biologia (Mar del Plata) this week:
The surf forecast for Biologia (Mar del Plata) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 26) at 9PM. The primary swell is predicted to be 1.2m and 13s period with a secondary swell of 0.5m and 5s. Another secondary swell of 0.8m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Biologia (Mar del Plata) in the next 16 days are 1.6m 13s and forecast to arrive on Wednesday (Aug 26) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 14s period and expected on Sunday (Aug 23) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Wed 26th Aug) | 4ft (1.2m) 13s |
| Best Surf | 9PM (Wed 26th Aug) | 4ft (1.2m) 13s |
| Most Powerful | 12AM (Wed 26th Aug) | 5ft (1.6m) 13s |
Table - best surf conditions forecast for Biologia (Mar del Plata) over the next 16 days.
The Lowdown
Alright, surfers, Rusty here. Let’s have a look at what’s coming our way for Biologia.
Right now, it’s flat. Totally dead. We're looking at a dry spell that stretches from now through the 24th of August. Nothing worth paddling out for. But hang in there, because things start to wake up on Tuesday the 25th.
We get our first pulse of energy on Tuesday morning. It’s small, with waves around 1ft from the SE, but the wind is a clean cross-offshore from the North. The combined energy is weak at 114, but it’s a start. By Tuesday afternoon, that swell builds to a more promising 4ft, still from the SE, and the period stretches out to a very long 15 seconds. This is proper groundswell energy, with the combined energy jumping to 617. That kind of long period works great at a point break like Biologia, shaping up nicely for a long, drawn-out ride. The wind remains a clean cross-off, so conditions should be tidy.
Wednesday the 26th keeps that energy going. Morning sees 4ft from the SE with a 13-second period and combined energy at 614. Wind is still cross-off from the North, keeping things clean. The afternoon looks a little bumpier as the wind swings cross-shore, but it’s still surfable.
Now, for the standout of the whole run: Thursday the 27th, first light. The swell drops a bit to 3ft, but the wind goes glassy offshore from the West. That’s the sweet spot. Clean lines, no chop, just you and the wave. The combined energy sits at 259, which is moderate, but with that wind, the quality will be miles better than the numbers suggest.
After Thursday, the swell fades fast. Friday the 28th has some tiny, clean waves, but it’s really only for the longboard or a fun summer stick. From Saturday the 29th right through to the 3rd of September, it’s back to poor conditions or very weak, short-period slop. We get a bit of a spike again on the 5th of September with 4ft from the NE, but the period is a short 7 seconds and the wind is cross-off, so it will be lumpy and weak.
The best bet, without a doubt, is the morning of Thursday the 27th at Biologia. The offshore glass and that lingering SE groundswell is the only real window of quality in the whole outlook.
Rusty, signing off.
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 11°C on Sat afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat morning, calm by Mon morning). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Thu afternoon, min 5°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 10 | S 11 | S 14 | SSE 14 | SSE 12 | SSE 11 | SSE 11 | NNE 3 | SE 18 | SE 15 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 11 | SE 11 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 63 | 606 | 859 | 600 | 618 | 488 | 244 | 167 | 97 | 56 | 39 | 40 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross | cross | glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | off | off | cross-off | off | off | cross-off | off |
High Tide | 2:50PM1.31m | 4:18AM0.95m | 3:45PM1.33m | 5:17AM0.92m | 4:38PM1.36m | 6:04AM0.91m | 5:27PM1.41m | 6:40AM0.91m | 6:12PM1.46m | 7:08AM0.91m | 6:52PM1.51m | 7:34AM0.94m | 7:30PM1.54m | ||||||||
Low Tide | 10:15PM0.52m | 8:34AM0.78m | 11:25PM0.50m | 9:22AM0.79m | 00:25AM0.47m | 10:25AM0.77m | 1:14AM0.44m | 11:32AM0.73m | 1:56AM0.42m | 12:32PM0.68m | 2:35AM0.39m | 1:25PM0.63m | |||||||||
 | |  | | |  |  | | | | | | | | | | |  |  | | | |
 | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — |
 | — | 6:20 | — | — | 6:20 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — | — | 6:23 | — | — | 6:24 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 11 | 8 | 7 | 7 | 5 | 5 | 6 | 6 | 8 | 12 | 8 | 12 | 14 | 13 | 16 | 17 | 12 | 17 | 19 | 15 |
Feels °C | 0 | 2 | 1 | 0 | 1 | 1 | 2 | 2 | 0 | 2 | 7 | 3 | 8 | 11 | 12 | 14 | 14 | 9 | 14 | 15 | 11 |
Swell 1 Height (m) Direction Period (s) | S 10 | — | — | SSE 14 | SSE 14 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SE 15 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 11 | E 8 | E 9 | E 9 |
| kJ | 663 | — | — | 4296 | 3493 | 1493 | 885 | 668 | 418 | 302 | 606 | 859 | 600 | 618 | 488 | 244 | 167 | 97 | 34 | 39 | 40 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | — | — | — | — | — | — | — | S 10 | SE 13 | SSE 10 | S 9 | NE 5 | — | ENE 5 | ENE 7 | E 7 | E 8 | SE 11 | SE 10 | SE 10 |
| kJ | 202 | — | — | — | — | — | — | — | 277 | 63 | 200 | 2 | 14 | — | 11 | 15 | 26 | 45 | 56 | 36 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 9 | SE 18 | S 10 | — | — | — | — | — | — | SW 6 | SW 8 | SSW 7 | SSW 7 |
| kJ | — | — | — | — | — | — | — | — | 2 | 51 | 8 | — | — | — | — | — | — | 6 | 10 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | W 3 | S 10 | S 11 | S 14 | — | — | — | — | NNE 3 | NNE 3 | NNE 4 | NE 5 | NNW 3 | NE 6 | — | — | — | — | NNW 2 | — | NNE 3 |
| kJ | 5 | 1066 | 1613 | 5765 | — | — | — | — | 4 | 7 | 11 | 38 | 3 | 15 | — | — | — | — | 1 | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 181 | 571 | 181 | 119 | 119 | 1 | 1 | 9 | 9 | 9 | 9 | 119 | 9 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Best forecast wave conditions in Provincia de Buenos Aires | |||||||||||||||||||||
Best forecast wave conditions in Argentina | |||||||||||||||||||||
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Information about the Biologia (Mar del Plata) Surf forecast
The above surf forecast table for Biologia (Mar del Plata) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Biologia (Mar del Plata) can be found by selecting the local surf guide option on the grey menu. Our Biologia (Mar del Plata) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Biologia (Mar del Plata)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Biologia (Mar del Plata) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Provincia de Buenos Aires? If you are looking for accommodation near Biologia (Mar del Plata), camping, hotels and holiday cottages in Provincia de Buenos Aires, consider staying in Mar del Plata which is 5 km (3 miles) away. Alternatively, find information about places to stay and car hire in Villa Gesell which is 98 km (61 miles) away
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