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Surf Forecasts:
Maresias surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 pm 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 9PM is: 1.6m 13s primary swell from a South direction and 0.4m 6s secondary swell from a Southeast direction (forecast issued at 02:00pm May 20). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 6ft (1.9m) | 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 ForecastModerate rain (total 18mm), heaviest on Sat morning. Warm (max 22°C on Fri morning, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 15 | SSE 14 | S 14 | S 14 | S 14 | S 14 | |
1772 | 1387 | 1018 | 875 | 1021 | 1371 | 1759 | 2329 | 3103 | 3567 | 3640 | 3601 | 3269 | 2939 | 2939 | 3121 | 2887 | 2701 | 2445 | 2478 | 1809 | 1620 | 1443 | 1214 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | glassy | cross-on | on | on | on | on | on | cross-on | glassy | glassy | glassy | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | off | cross | cross-on | |
High Tide | 5:29PM0.92m | 4:32AM0.90m | 6:25PM0.82m | 5:18AM0.87m | 7:56PM0.75m | 11:13PM0.78m | 6:20AM0.83m | |||||||||||||||||
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 | — |
 | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | 5:23 |
— | — | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | 8 | |
Temp °C | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 22 | 21 | 19 | 19 | 19 | 19 | 19 | 20 |
22 | 22 | 22 | 22 | 22 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 23 | 22 | 20 | 19 | 20 | 20 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | 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 15 | SSE 14 | S 14 | S 14 | S 14 | S 14 |
 kJ | 1772 | 1387 | 1018 | 875 | 1021 | 1371 | 1759 | 2329 | 3103 | 3567 | 3640 | 3601 | 3269 | 2939 | 2939 | 3121 | 2887 | 2701 | 2445 | 2478 | 1809 | 1620 | 1443 | 1214 |
Swell 2 Height (m) Direction Period (s) | 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 | — | SE 6 | — | E 6 | E 7 |
| kJ | 5 | 12 | 11 | 11 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | — | 5 | 5 | 5 | 5 | 5 | 6 | 6 | — | 39 | — | 148 | 126 |
Swell 3 Height (m) Direction Period (s) | — | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | 5 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SE 5 | SSE 4 | SSE 5 | — | — | — | — | — | — | — | — | — | — | — | E 9 | E 5 | E 6 | — | — |
| kJ | — | — | — | — | — | 10 | 13 | 33 | — | — | — | — | — | — | — | — | — | — | — | 6 | 76 | 139 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 66 | 26 | 0 | 4 | 13 | 19 | 19 | 19 | 4 | 10 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 0 | 0 | 0 | 22 | 26 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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