Praia de Sao Marcos surf forecast from 15 Jul 2026:
- Best quality surf: Friday 17 Jul, 6AM (local time) - 3.5ft (1.0m), 7s period, NE swell with cross-offshore winds.
- Most powerful swell: Tuesday 21 Jul, 3AM (local time) - 5ft (1.6m), 6s period, ENE swell with 156 kJ wave energy.
- Next surfable swell (1★+): Friday 17 Jul, 6AM (local time) - 3.5ft (1.0m), 7s period with NE swell.
Best Forecast Surf Conditions for Praia de Sao Marcos this week:
The surf forecast for Praia de Sao Marcos over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 17) at 6AM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 1.1m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Praia de Sao Marcos in the next 16 days are 1.6m 6s and forecast to arrive on Tuesday (Jul 21) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Friday (Jul 17) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 17th Jul) | 3.5ft (1.0m) 7s |
| Best Surf | 6AM (Fri 17th Jul) | 3.5ft (1.0m) 7s |
| Most Powerful | 3AM (Tue 21st Jul) | 5ft (1.6m) 6s |
Table - best surf conditions forecast for Praia de Sao Marcos over the next 16 days.
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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