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Surf Forecasts:
Maresias surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 am Saturday 16 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
24.0° C
(Which is slightly warmer than usual)How big are the waves at Maresias today?
The current surf forecast for Maresias at 11AM is: 1.2m 11s primary swell from a South direction (forecast issued at 02:00am May 16). 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 (16 May) | 4ft (1.2m) | 11s |
| Afternoon (16 May) | 4ft (1.2m) | 11s |
| Evening (16 May) | 3.5ft (1.1m) | 11s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun afternoon. Warm (max 25°C on Sat morning, min 20°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 15 | SSW 9 | |
529 | 418 | 338 | 332 | 332 | 338 | 335 | 284 | 335 | 282 | 282 | 277 | 224 | 224 | 182 | 178 | 136 | 100 | 98 | 94 | 68 | 66 | 75 | 84 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | on | cross-on | cross-off | cross-off | off | cross-off | off | glassy | cross-on | glassy | off | cross-off | glassy | cross | cross-on | glassy | off | glassy | cross-on | cross | |
High Tide | 2:33PM1.22m | 2:26AM0.96m | 3:15PM1.19m | 2:53AM0.93m | 3:58PM1.13m | |||||||||||||||||||
Low Tide | 8:31AM0.09m | 9:20PM0.24m | 9:09AM0.06m | 10:06PM0.35m | 9:48AM0.07m | |||||||||||||||||||
 |  | |  | | | | |  | |  |  | | |  | | | | | | | | | | |
 | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — |
 | — | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — |
— | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 1 | 4 | — | — | — | — | — | 1 | 2 | 1 | 1 | 1 | |
Temp °C | 20 | 19 | 19 | 21 | 25 | 24 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 20 | 21 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 21 |
23 | 21 | 21 | 24 | 26 | 27 | 23 | 21 | 22 | 22 | 22 | 24 | 23 | 23 | 22 | 24 | 25 | 24 | 23 | 24 | 25 | 25 | 25 | 24 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 9 |
 kJ | 529 | 418 | 338 | 332 | 332 | 338 | 335 | 284 | 335 | 282 | 282 | 277 | 224 | 224 | 182 | 178 | 136 | 100 | 98 | 94 | 68 | 66 | 65 | 84 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | ENE 4 | E 4 | E 4 | E 7 | E 7 | SE 5 | E 4 | E 4 | E 4 | S 16 | SSE 16 | SSE 15 | S 10 |
| kJ | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 1 | 3 | 1 | 1 | 1 | 1 | 1 | 5 | 3 | 1 | 21 | 50 | 75 | 48 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | E 7 | E 7 | E 7 | SE 12 | SE 12 | E 7 | S 18 | SE 5 | S 16 | E 4 | E 5 | — | SSE 15 |
| kJ | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 6 | 5 | 1 | 7 | 1 | 21 | 2 | 2 | — | 72 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 2 | NE 3 | ENE 3 | ENE 4 | — | — | WSW 3 | ENE 4 | ENE 3 | ENE 4 | — | W 2 | SW 3 | WSW 4 | SW 4 | WSW 4 | WSW 5 |
| kJ | — | — | — | — | — | — | — | 1 | 2 | 4 | 2 | — | — | 1 | 1 | 2 | 4 | — | 1 | 5 | 9 | 10 | 32 | 69 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 5 | 41 | 0 | 0 | 0 | 11 | 26 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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