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Surf Forecasts:
Maresias surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm 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 4AM is: 1.1m 11s primary swell from a South direction and 0.2m 5s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 16). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3.5ft (1.1m) | 11s |
| Afternoon (17 May) | 3.5ft (1.0m) | 11s |
| Evening (17 May) | 3ft (0.9m) | 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 38mm), heaviest during Mon night. Warm (max 24°C on Sun morning, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tuesday 19 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
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 | SSE 15 | SSW 9 | SSW 8 | SSW 8 | S 8 | SSE 8 | SSE 19 | |
335 | 284 | 335 | 282 | 282 | 277 | 272 | 224 | 224 | 178 | 172 | 131 | 98 | 94 | 92 | 66 | 75 | 72 | 362 | 498 | 509 | 377 | 183 | 391 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-off | glassy | glassy | cross-on | cross-on | glassy | cross-off | off | off | glassy | glassy | glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 2:26AM0.96m | 3:15PM1.19m | 2:53AM0.93m | 3:58PM1.13m | 3:22AM0.92m | |||||||||||||||||||
Low Tide | 9:20PM0.24m | 9:09AM0.06m | 10:06PM0.35m | 9:48AM0.07m | 10:52PM0.47m | 10:31AM0.10m | ||||||||||||||||||
 |  |  | | |  |  |  |  | | | | | | |  | | |  | | | | | | |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — |
 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:24 |
— | — | 1 | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 5 | 4 | 8 | 2 | 2 | 2 | 1 | 1 | |
Temp °C | 21 | 20 | 20 | 21 | 21 | 23 | 24 | 21 | 20 | 21 | 21 | 22 | 21 | 21 | 23 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 19 | 19 |
23 | 22 | 22 | 23 | 23 | 26 | 25 | 23 | 23 | 22 | 22 | 25 | 24 | 24 | 27 | 25 | 22 | 21 | 19 | 19 | 19 | 20 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | 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 | S 10 | SSE 14 | SSE 16 | S 13 | S 8 | SSE 8 | S 8 |
 kJ | 335 | 284 | 335 | 282 | 282 | 277 | 272 | 224 | 224 | 178 | 172 | 131 | 98 | 94 | 92 | 66 | 65 | 67 | 70 | 50 | 55 | 377 | 183 | 323 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 7 | E 7 | SE 5 | SE 5 | E 3 | E 3 | E 7 | WSW 3 | E 4 | NE 4 | NE 4 | ENE 4 | ENE 4 | S 16 | SSE 16 | SSE 15 | SSE 15 | E 7 | S 13 | S 16 | S 13 | SW 8 | SSE 19 |
| kJ | 4 | 4 | 4 | 3 | 1 | 2 | 1 | 1 | 2 | 1 | 6 | 4 | 3 | 4 | 46 | 50 | 75 | 72 | 4 | 32 | 46 | 53 | 129 | 391 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 12 | E 7 | E 7 | E 7 | E 7 | SE 12 | E 4 | SE 5 | E 7 | S 18 | S 17 | S 16 | ENE 5 | E 5 | E 7 | E 7 | E 7 | E 7 | E 7 | SSE 16 | SSE 20 | S 15 |
| kJ | 7 | 6 | 6 | 4 | 1 | 1 | 1 | 6 | 1 | 1 | 1 | 7 | 22 | 21 | 2 | 2 | 4 | 4 | 4 | 1 | 1 | 51 | 133 | 112 |
Wind waves Height (m) Direction Period (s) | — | E 5 | NE 2 | ENE 3 | ENE 3 | — | — | WSW 3 | WNW 3 | N 2 | NNE 4 | NNE 4 | — | NW 2 | WSW 3 | SW 4 | SW 5 | SW 5 | SSW 9 | SSW 8 | SSW 8 | — | — | — |
| kJ | — | 4 | 2 | 2 | 2 | — | — | 3 | 3 | 2 | 13 | 13 | — | 1 | 2 | 39 | 53 | 51 | 362 | 498 | 509 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 26 | 13 | 26 | 13 | 13 | 8 | 8 | 8 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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