Surf Forecasts:
Playa Mariano (Mar del Plata) surf forecast from 18 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 12AM (local time) - 16ft (5.0m), 13s period, SSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 22 Sep, 12AM (local time) - 16ft (5.0m), 13s period, SSW swell with 9,521 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 3PM (local time) - 4.5ft (1.3m), 7s period with ENE swell.
Best Forecast Surf Conditions for Playa Mariano (Mar del Plata) this week:
The surf forecast for Playa Mariano (Mar del Plata) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 3PM. The primary swell is predicted to be 1.3m and 7s period with a secondary swell of 0.2m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Playa Mariano (Mar del Plata) in the next 16 days are 5.0m 13s and forecast to arrive on Tuesday (Sep 22) 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 2.1m 7s period and expected on Monday (Sep 21) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Sun 20th Sep) | 4.5ft (1.3m) 7s |
| Best Surf | 12AM (Tue 22nd Sep) | 16ft (5.0m) 13s |
| Most Powerful | 12AM (Tue 22nd Sep) | 16ft (5.0m) 13s |
Table - best surf conditions forecast for Playa Mariano (Mar del Plata) over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Sun afternoon. Warm (max 21°C on Fri afternoon, min 11°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Tue night. Very mild (max 19°C on Wed afternoon, min 8°C on Mon night). Winds decreasing (gales from the WSW on Mon afternoon, light winds from the E by Tue night). | ||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||
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) | SSE 10 | S 12 | S 12 | SW 7 | S 9 | NE 5 | NE 6 | NE 6 | ENE 7 | ENE 7 | ENE 8 | SW 9 | SSW 13 | SSW 13 | SSW 12 | S 12 | S 11 | S 11 | SSE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 35 | 26 | 10 | 14 | 25 | 45 | 100 | 136 | 150 | 81 | 101 | 2434 | 9521 | 5345 | 3435 | 2140 | 1213 | 669 | 335 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | off | cross-off | off |
High Tide | 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 | 5:32AM0.88m | 4:48PM1.37m | |||||||
Low Tide | 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 | 9:56AM0.74m | 00:28AM0.45m | |||||||
 |  | |  |  | | |  |  |  | | | | | |  | | | | |
 | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — |
 | 6:42 | — | 6:42 | — | — | 6:43 | — | — | 6:44 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — |
mm | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | 2 | — | — | — |
Temp °C | 18 | 19 | 21 | 16 | 18 | 18 | 13 | 13 | 15 | 12 | 12 | 10 | 8 | 10 | 11 | 10 | 17 | 19 | 15 |
Feels °C | 18 | 16 | 18 | 12 | 14 | 14 | 9 | 9 | 13 | 5 | 1 | -3 | -4 | 2 | 5 | 5 | 10 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | NE 5 | S 10 | SW 7 | S 9 | S 8 | SSW 7 | S 8 | ENE 7 | ENE 7 | ENE 8 | ENE 10 | E 10 | E 10 | ENE 10 | S 12 | S 11 | S 11 | SSE 10 |
| kJ | 35 | 8 | 7 | 14 | 25 | 22 | 5 | 5 | 150 | 81 | 101 | 96 | 74 | 53 | 35 | 2140 | 1213 | 669 | 335 |
Swell 2 Height (m) Direction Period (s) | NE 5 | S 12 | SSW 8 | S 9 | SSW 6 | SW 6 | S 9 | S 12 | S 8 | S 10 | E 14 | — | — | — | — | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 7 | 26 | 7 | 6 | 4 | 1 | 6 | 3 | 5 | 8 | 4 | — | — | — | — | 21 | 20 | 19 | 9 |
Swell 3 Height (m) Direction Period (s) | S 10 | SE 9 | S 12 | S 12 | E 11 | E 11 | E 10 | S 7 | S 11 | SW 5 | — | — | — | — | — | — | — | — | E 14 |
| kJ | 16 | 12 | 10 | 3 | 3 | 2 | 2 | 1 | 10 | 1 | — | — | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | ENE 5 | NNW 2 | NNE 3 | NE 5 | NE 5 | NE 5 | NE 6 | NE 6 | — | NW 3 | WSW 7 | SW 9 | SSW 13 | SSW 13 | SSW 12 | — | N 3 | N 4 | NNE 5 |
| kJ | 18 | 1 | 7 | 40 | 25 | 45 | 100 | 136 | — | 4 | 389 | 2434 | 9521 | 5345 | 3435 | — | 8 | 15 | 10 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 427 | 1379 | 1359 | 1358 | 1380 | 562 | 575 | 0 | 27 | 576 | 538 | 823 | 577 | 188 | 378 | 378 | 378 | 106 |
Best forecast wave conditions in Provincia de Buenos Aires | |||||||||||||||||||
Best forecast wave conditions in Argentina | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Playa Mariano (Mar del Plata) Surf forecast
The above surf forecast table for Playa Mariano (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 Playa Mariano (Mar del Plata) can be found by selecting the local surf guide option on the grey menu. Our Playa Mariano (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 (Playa Mariano (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 Playa Mariano (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 Playa Mariano (Mar del Plata), camping, hotels and holiday cottages in Provincia de Buenos Aires, consider staying in Mar del Plata which is 10 km (6 miles) away.
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