Surf Forecasts:
Chapadmalal surf forecast from 13 Aug 2026:
- Best quality surf: Sunday 16 Aug, 3AM (local time) - 4.5ft (1.4m), 6s period, ENE swell with cross-offshore winds.
- Most powerful swell: Thursday 13 Aug, 6PM (local time) - 5.5ft (1.7m), 12s period, SSE swell with 735 kJ wave energy.
- Next surfable swell (1★+): Sunday 16 Aug, 12AM (local time) - 3.5ft (1.0m), 6s period with ENE swell.
Best Forecast Surf Conditions for Chapadmalal this week:
The surf forecast for Chapadmalal over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 16) at 12AM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.5m and 8s. Another secondary swell of 0.1m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Chapadmalal in the next 16 days are 1.7m 12s and forecast to arrive on Thursday (Aug 13) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Wednesday (Aug 19) at 3AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Sun 16th Aug) | 3.5ft (1.0m) 6s |
| Best Surf | 3AM (Sun 16th Aug) | 4.5ft (1.4m) 6s |
| Most Powerful | 6PM (Thu 13th Aug) | 5.5ft (1.7m) 12s |
Table - best surf conditions forecast for Chapadmalal over the next 16 days.
The Lowdown
Alright, this is Rusty. Let’s talk about what’s happening at Chapadmalal.
To be straight with you, the next week and a half is mostly a write-off. We’ve got a long stretch of poor surf conditions and onshore or cross-shore winds that are just going to mess things up. The wave energy is all over the place, but mostly weak to moderate – you’ll see numbers like 26 (weak) up to 711 (moderate) on the combined energy scale, but it’s not translating into anything rideable. The water temp is about average for this time of year, nothing weird.
The first real glimmer of hope comes right at the end of the forecast. Monday, 24th August is the standout. The morning sees a clean 4ft swell from the SSE, with a nice 11-second period – that’s proper groundswell energy. The wind is light, from the NNE, which is cross-offshore and will keep the surface glassy. The combined energy is 393 (moderate), and the conditions are predicted to be "clean." This is the best on offer, no question. Expect some company though – crowds are listed as "sometimes," so it won’t be empty, but it’s worth it.
Tuesday, 25th August, is a step down. The morning has a 3ft SSE swell, light ENE cross-shore wind, but the energy is lower at 209. It’s marginal, probably only worth it if you’re desperate. The afternoon gets choppy again.
The rest of the window is a bust. From now until the 24th, it’s a mix of poor surf, onshore winds, and messy conditions. There’s a brief clean-up on Saturday, 15th August, with a 3ft SSE swell and cross-offshore wind, but the energy is just 134 – weak. Not worth the paddle.
So, mark your calendar for Monday, 24th August. That’s your day. The 4ft SSE groundswell with light offshore wind is a rare gem in this otherwise bleak outlook. Don’t sleep on it, but don’t book the day off work just yet – it’s still a week away, so forecasts can shift.
Rusty.
Short Range ForecastMostly dry. Very mild (max 12°C on Fri morning, min 6°C on Wed night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sat night. Very mild (max 13°C on Tue afternoon, min 6°C on Mon night). Winds increasing (light winds from the N on Sat night, fresh winds from the SW by Sun night). | ||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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 12 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | ENE 6 | ENE 6 | E 7 | E 7 | E 9 | E 9 | E 10 | SSW 7 | S 8 | ENE 10 | S 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 404 | 423 | 511 | 631 | 386 | 245 | 146 | 88 | 62 | 72 | 92 | 83 | 123 | 137 | 116 | 186 | 172 | 116 | 72 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-off | off | off |
High Tide | 7:26AM0.95m | 7:27PM1.51m | 8:16AM1.00m | 8:22PM1.49m | 9:02AM1.06m | 9:15PM1.43m | 9:47AM1.11m | 10:06PM1.34m | 10:31AM1.15m | 10:56PM1.23m | 11:13AM1.17m | 11:46PM1.11m | |||||||
Low Tide | 2:10AM0.04m | 1:32PM0.40m | 3:02AM0.04m | 2:35PM0.34m | 3:48AM0.07m | 3:33PM0.28m | 4:31AM0.13m | 4:27PM0.24m | 5:10AM0.21m | 5:19PM0.23m | 5:47AM0.30m | 6:08PM0.23m | |||||||
 |  |  |  |  | | | | |  | | | | | | | | | | |
 | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — | 7:35 | — | — | 7:33 | — | — | 7:31 | — | — |
 | 6:10 | — | 6:12 | — | — | 6:13 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — |
mm | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — |
Temp °C | 7 | 7 | 8 | 10 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 9 | 9 | 8 | 10 | 13 | 11 |
Feels °C | 3 | 1 | 4 | 6 | 6 | 5 | 6 | 5 | 6 | 7 | 9 | 8 | 8 | 2 | 2 | 1 | 5 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | E 7 | E 7 | E 9 | E 9 | E 10 | E 9 | S 8 | S 8 | S 8 |
| kJ | 404 | 423 | 511 | 631 | 386 | 245 | 146 | 88 | 62 | 40 | 92 | 83 | 123 | 137 | 116 | 85 | 172 | 116 | 72 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 8 | SSE 12 | NE 8 | SSW 10 | SSW 10 | S 9 | S 9 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | — | — | E 10 | E 10 | E 9 |
| kJ | 2 | 1 | 199 | 3 | 10 | 18 | 6 | 6 | 5 | 1 | 13 | 6 | 6 | 5 | — | — | 73 | 48 | 28 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 8 | E 8 | — | — | — | SSW 9 | — | — | — | S 12 | S 11 | S 10 | — | — | — | — | ENE 10 | SE 13 |
| kJ | 2 | 1 | 1 | — | — | — | 16 | — | — | — | 3 | 2 | 2 | — | — | — | — | 111 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | — | — | SSW 3 | SSW 4 | SSW 5 | SSW 7 | — | — | NNW 3 |
| kJ | — | — | — | — | 17 | 23 | 33 | 40 | 58 | 72 | — | — | 4 | 32 | 88 | 186 | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 97 | 96 | 438 | 96 | 96 | 96 | 96 | 96 | 96 | 0 | 0 | 19 | 0 | 851 | 842 | 19 | 15 | 0 | 0 |
Best forecast wave conditions in Provincia de Buenos Aires | |||||||||||||||||||
Best forecast wave conditions in Argentina | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Chapadmalal Surf forecast
The above surf forecast table for Chapadmalal provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Chapadmalal can be found by selecting the local surf guide option on the grey menu. Our Chapadmalal 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 (Chapadmalal) 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 Chapadmalal 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 Chapadmalal, camping, hotels and holiday cottages in Provincia de Buenos Aires, consider staying in Mar del Plata which is 25 km (16 miles) away. Alternatively, find information about places to stay and car hire in Quequen which is 96 km (60 miles) away
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