Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias WaveFinder

Issued: 2 pm 07 Jul 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.6° C
0.9° 

Maresias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Maresias surf forecast from 7 Jul 2026:

  • Best quality surf: Saturday 11 Jul, 9AM (local time) - 4ft (1.2m), 13s period, SE swell with glassy winds.
  • Most powerful swell: Sunday 12 Jul, 6PM (local time) - 4.5ft (1.3m), 13s period, SSE swell with 627 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 8 Jul, 6AM (local time) - 3.5ft (1.1m), 9s period with SE swell.

Best Forecast Surf Conditions for Maresias this week:

The surf forecast for Maresias over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 08) at 6AM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 1.1m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Maresias in the next 16 days are 1.3m 13s and forecast to arrive on Sunday (Jul 12) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Friday (Jul 10) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 8th Jul)3.5ft (1.1m) 9s
Best Surf 9AM (Sat 11th Jul)4ft (1.2m) 13s
Most Powerful 6PM (Sun 12th Jul)4.5ft (1.3m) 13s

Table - best surf conditions forecast for Maresias over the next 16 days.


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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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