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Surf Forecasts:
Maresias surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 am Tuesday 19 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
23.9° C
(Which is slightly warmer than usual)How big are the waves at Maresias today?
The current surf forecast for Maresias at 9AM is: 1.6m 8s primary swell from a South direction and 0.4m 13s secondary swell from a South direction (forecast issued at 02:00am May 19). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 5ft (1.6m) | 8s |
| Afternoon (19 May) | 2.5ft (0.7m) | 19s |
| Evening (19 May) | 5.5ft (1.7m) | 17s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Wed night. Warm (max 22°C on Wed morning, min 18°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 9 | SSW 8 | SSW 8 | S 8 | SSW 8 | SSE 19 | S 18 | S 17 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 15 | S 16 | S 16 | S 16 | S 15 | S 15 | |
203 | 311 | 345 | 291 | 105 | 391 | 794 | 1769 | 1881 | 2864 | 2502 | 2012 | 1608 | 1245 | 1018 | 875 | 905 | 1340 | 1735 | 2567 | 3103 | 3567 | 3688 | 3360 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | on | glassy | glassy | on | on | on | on | on | cross-on | cross | |
High Tide | 3:22AM0.92m | 4:42PM1.03m | 3:55AM0.91m | 5:29PM0.92m | 4:32AM0.90m | 6:25PM0.82m | ||||||||||||||||||
Low Tide | 10:31AM0.10m | 11:39PM0.58m | 11:22AM0.15m | 00:31AM0.66m | 12:28PM0.22m | |||||||||||||||||||
 |  | |  | |  |  | | | | |  | |  | |  | | | | | | | | | |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — |
 | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — |
— | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | — | — | — | |
Temp °C | 19 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 22 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 |
20 | 20 | 21 | 21 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 23 | 22 | 22 | 23 | 23 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | SSE 14 | S 13 | S 13 | S 8 | SSE 7 | S 8 | S 8 | S 17 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 15 | S 16 | S 16 | S 16 | S 15 | S 15 |
 kJ | 70 | 55 | 55 | 291 | 105 | 186 | 191 | 1769 | 1881 | 2864 | 2502 | 2012 | 1608 | 1245 | 1018 | 875 | 905 | 1340 | 1735 | 2567 | 3103 | 3567 | 3688 | 3360 |
Swell 2 Height (m) Direction Period (s) | E 7 | SSE 16 | S 16 | S 13 | SSW 8 | SSE 19 | S 18 | S 8 | S 8 | E 7 | E 7 | SE 6 | SE 6 | SE 6 | E 8 | SE 6 | ESE 6 | SE 6 | E 8 | E 8 | E 8 | E 8 | E 8 | — |
| kJ | 4 | 50 | 46 | 53 | 93 | 391 | 794 | 191 | 186 | 4 | 4 | 38 | 30 | 28 | 4 | 26 | 21 | 15 | 5 | 4 | 4 | 10 | 10 | — |
Swell 3 Height (m) Direction Period (s) | — | E 7 | E 7 | SSE 16 | SSE 15 | S 15 | S 14 | E 7 | E 7 | — | — | E 7 | E 7 | E 8 | — | E 8 | E 8 | E 8 | — | — | — | — | — | — |
| kJ | — | 1 | 1 | 51 | 75 | 112 | 188 | 4 | 4 | — | — | 4 | 4 | 4 | — | 4 | 5 | 5 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 9 | SSW 8 | SSW 8 | — | — | — | — | — | — | — | — | — | SE 6 | — | SE 6 | — | — | — | SE 6 | — | — | — | — | — |
| kJ | 203 | 311 | 345 | — | — | — | — | — | — | — | — | — | 43 | — | 20 | — | — | — | 15 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 26 | 48 | 26 | 13 | 26 | 13 | 8 | 8 | 8 | 8 | 8 | 26 | 26 | 10 | 0 | 0 | 19 | 19 | 66 | 19 | 4 | 10 | 10 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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