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Surf Forecasts:
Maresias surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 am Wednesday 20 May 2026 -03Forecast update in hr min s Forecast update imminent
Maresias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Maresias sea temperature is
24.1° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Maresias today?
The current surf forecast for Maresias at 12PM is: 2.1m 14s primary swell from a South direction (forecast issued at 08:00am May 20). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 7ft (2.2m) | 14s |
| Afternoon (20 May) | 6ft (1.8m) | 14s |
| Evening (20 May) | 5ft (1.6m) | 13s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Wed night. Warm (max 22°C on Fri morning, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 15 | S 15 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 15 | S 15 | S 15 | S 14 | SSE 14 | S 14 | S 14 | |
2697 | 2012 | 1772 | 1245 | 1018 | 875 | 1021 | 1371 | 1759 | 2567 | 3353 | 3567 | 3640 | 3601 | 3269 | 2939 | 2898 | 3162 | 2849 | 2701 | 2412 | 2478 | 1984 | 1620 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross-on | on | on | on | on | on | on | glassy | cross-on | cross | cross-off | cross-off | glassy | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | |
High Tide | 3:55AM0.91m | 5:29PM0.92m | 4:32AM0.90m | 6:25PM0.82m | 5:18AM0.87m | 7:56PM0.75m | 11:13PM0.78m | |||||||||||||||||
Low Tide | 11:22AM0.15m | 00:31AM0.66m | 12:28PM0.22m | 1:34AM0.70m | 1:45PM0.28m | 8:38PM0.75m | 2:42AM0.68m | |||||||||||||||||
 |  | | |  | | | | |  | |  | | | | | | | | |  | | | | |
 | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | 6:31 |
 | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | 5:23 |
1 | — | — | — | — | — | 1 | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 19 | 22 | 21 | 19 | 19 | 19 | 18 |
22 | 23 | 22 | 22 | 22 | 22 | 22 | 20 | 20 | 19 | 18 | 19 | 19 | 19 | 18 | 19 | 19 | 20 | 23 | 22 | 20 | 20 | 20 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 15 | S 15 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 15 | S 15 | S 15 | S 14 | SSE 14 | S 14 | S 14 |
 kJ | 2697 | 2012 | 1772 | 1245 | 1018 | 875 | 1021 | 1371 | 1759 | 2567 | 3353 | 3567 | 3640 | 3601 | 3269 | 2939 | 2898 | 3162 | 2849 | 2701 | 2412 | 2478 | 1984 | 1620 |
Swell 2 Height (m) Direction Period (s) | — | E 7 | E 8 | SE 6 | SE 6 | SE 6 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | E 9 |
| kJ | — | 4 | 5 | 12 | 11 | 11 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | — | 5 | 5 | 5 | 5 | 5 | 6 | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 8 | E 8 | E 8 | — | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 5 | 5 | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 3 | — | — | — | SSE 3 | SSE 4 | — | — | — | — | — | — | — | — | — | — | — | E 9 | E 9 | ENE 5 | E 5 |
| kJ | — | — | — | 4 | — | — | — | 7 | 13 | — | — | — | — | — | — | — | — | — | — | — | 6 | 6 | 45 | 82 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 8 | 26 | 26 | 25 | 4 | 11 | 44 | 19 | 19 | 19 | 0 | 10 | 10 | 0 | 0 | 0 | 0 | 19 | 4 | 0 | 0 | 0 | 8 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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