Surf Forecasts:
Biologia (Mar del Plata) surf forecast from 16 Sep 2026:
- Most powerful swell: Sunday 20 Sep, 9PM (local time) - 3.5ft (1.1m), 7s period, ENE swell with 99 kJ wave energy.
Best Forecast Surf Conditions for Biologia (Mar del Plata) this week:
The most powerful waves expected at Biologia (Mar del Plata) in the next 16 days are 1.1m 7s and forecast to arrive on Sunday (Sep 20) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 14s period and expected on Tuesday (Sep 22) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Sun 20th Sep) | 3.5ft (1.1m) 7s |
Table - best surf conditions forecast for Biologia (Mar del Plata) over the next 16 days.
The Lowdown
Alright, boys and girls, let’s talk surf. It’s a lean stretch at Biologia for the next couple of weeks, no two ways about it. The water’s around 51°F, which is a bit above average for this time of year, so that’s a small win. But the waves? Man, they’re mostly non-existent until we get to that Thursday, the 24th.
From the 16th through the 23rd, it’s flat as a tack. Swell heights are mostly under 2 feet, with weak energy readings – nothing but single and low double digits on the energy scale. It’s the kind of stuff that’s barely ankle-biters. The wind is often cross-off or light, so it looks pretty and calm, but there’s just no swell to ride. A few days have some breeze, but it’s all for nothing without any push.
Then, boom. Thursday the 24th morning, we finally get something. Swell jumps to 5 feet from the SE with a 14-second period. That’s real groundswell, and the combined energy is sitting at 967 – that’s strong. The wind is cross-off from the NNW at 22 mph, so the face should be clean. This is the day. It’s got size, it’s got power, and it’s got shape for a point like Biologia. That period is long, which means it’ll have some push, but at 5 feet, it might be a little much for the beginners. The afternoon holds similar size with energy at 901, so you’ve got a solid window.
Friday the 25th is still surfable – 4 feet from the SE, 13-second period, energy around 472 – but it’s already starting to back off. Still clean, but it’s a step down.
Then it fades fast. The 26th drops to 2 feet, and the 27th is back to 1 foot. The rest of the run into October is more of the same – small, weak, and ordinary. There’s a brief offshore on the 30th but with almost no swell. The 1st of October has a little 2-3 foot bump and a gentle cross-off, but the energy is only 66, so it’s still pretty weak.
So, if you’ve got one day to make it count, circle the 24th. That’s your best bet, and it’s not even close. Otherwise, save your energy for a walk on the beach.
Rusty out.
Short Range ForecastMostly dry. Warm (max 20°C on Thu afternoon, min 4°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 31mm), heaviest during Sun night. Very mild (max 17°C on Sat morning, min 8°C on Mon night). Winds increasing (light winds from the E on Sun night, strong winds from the WSW by Mon afternoon). | ||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||
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) | E 9 | ENE 8 | NNE 4 | NE 5 | NE 5 | NE 6 | NE 5 | NNE 3 | NE 5 | ENE 5 | ENE 6 | ENE 5 | NE 6 | ENE 7 | ENE 7 | E 7 | E 9 | E 9 | E 9 | E 10 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 7 | 25 | 3 | 4 | 8 | 3 | 3 | 19 | 10 | 22 | 24 | 31 | 59 | 60 | 39 | 59 | 40 | 25 | 29 | 15 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-off |
High Tide | 10:45AM1.32m | 11:30PM1.17m | 11:25AM1.33m | 00:27AM1.06m | 12:06PM1.33m | 1:33AM0.97m | 12:52PM1.31m | 2:50AM0.92m | 1:47PM1.30m | 4:01AM0.89m | 2:51PM1.30m | 4:54AM0.88m | 3:53PM1.32m | ||||||||
Low Tide | 5:49PM0.40m | 5:42AM0.64m | 6:37PM0.41m | 6:03AM0.71m | 7:27PM0.43m | 6:29AM0.75m | 8:22PM0.45m | 7:04AM0.78m | 9:24PM0.47m | 7:50AM0.79m | 10:32PM0.48m | 8:48AM0.77m | 11:36PM0.47m | ||||||||
 |  |  | | | | |  |  | | | | | |  | | |  | | | | |
 | 6:48 | — | — | 6:48 | — | — | 6:46 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — |
 | — | 6:40 | — | — | 6:42 | — | — | 6:42 | — | — | 6:43 | — | — | 6:44 | — | — | 6:45 | — | — | 6:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 31 | — | — | — | — | — | — |
Temp °C | 5 | 9 | 7 | 16 | 20 | 19 | 17 | 19 | 15 | 17 | 17 | 14 | 17 | 16 | 12 | 13 | 11 | 9 | 8 | 9 | 7 |
Feels °C | -1 | 3 | 1 | 13 | 18 | 18 | 14 | 16 | 11 | 14 | 14 | 12 | 14 | 13 | 11 | 4 | 1 | 0 | 3 | 4 | 2 |
Swell 1 Height (m) Direction Period (s) | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 10 | NE 5 | S 12 | SSW 7 | ENE 5 | S 9 | S 8 | ENE 6 | E 8 | ENE 7 | E 7 | E 9 | E 9 | E 9 | S 14 | SSE 13 |
| kJ | 388 | 352 | 173 | 119 | 94 | 37 | 3 | 11 | 5 | 10 | 6 | 5 | 17 | 6 | 60 | 39 | 59 | 40 | 25 | 2357 | 1995 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | SE 11 | NE 5 | NE 5 | NE 6 | SSE 9 | SE 9 | S 9 | S 9 | S 11 | E 10 | S 8 | S 8 | S 8 | S 8 | NNW 3 | E 12 | E 12 | E 10 | E 9 |
| kJ | 6 | 1 | 31 | 3 | 4 | 8 | 8 | 3 | 6 | 6 | 3 | 2 | 5 | 1 | 1 | 1 | 1 | 11 | 11 | 29 | 15 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | ENE 8 | E 8 | E 8 | E 8 | S 9 | S 9 | E 8 | S 12 | S 12 | E 11 | S 11 | E 9 | S 12 | S 11 | — | — | — | E 14 | — | — |
| kJ | 7 | 7 | 1 | 1 | 1 | 13 | 6 | 1 | 3 | 3 | 2 | 2 | 1 | 3 | 2 | — | — | — | 4 | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 3 | NNE 4 | NNW 3 | — | — | NNW 2 | NNE 3 | NE 5 | — | ENE 6 | ENE 5 | NE 6 | ENE 7 | — | WSW 3 | SW 8 | SSW 9 | S 10 | — | — |
| kJ | — | 4 | 25 | 8 | — | — | 1 | 3 | 19 | — | 22 | 24 | 31 | 59 | — | 6 | 99 | 360 | 755 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 9 | 118 | 10 | 1 | 2 | 420 | 1353 | 1353 | 141 | 52 | 141 | 569 | 422 | 4 | 532 | 1184 | 1184 | 181 | 119 | 20 |
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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