Surf Forecasts:
How big are the waves at Maresias today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 1.5ft (0.4m), 6s period with SSW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 4ft (1.2m), 4s period with E swell.
- Evening surf: Evening surf (31 Aug, local time) - 1.5ft (0.4m), 8s period with ESE swell.
The current surf forecast for Maresias at 1PM is: 0.4m 6s primary swell from a South-southwest direction and 0.1m 9s secondary swell from a South direction (forecast issued at 08:00am August 31). An open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 1.5ft (0.4m) | 6s |
| Afternoon (31 Aug) | 4ft (1.2m) | 4s |
| Evening (31 Aug) | 1.5ft (0.4m) | 8s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Tue afternoon. Warm (max 26°C on Mon morning, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||
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 | ||||||||||||||||||||||
Wave Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 6 | E 4 | S 6 | ESE 8 | S 7 | S 7 | SW 4 | S 6 | S 7 | SSE 7 | SSW 7 | S 6 | SW 4 | SSW 5 | SSW 6 | S 7 | S 7 | S 8 | SSE 8 | SSE 8 |
Wave Graph | ||||||||||||||||||||||
12 | 12 | 10 | 57 | 12 | 22 | 26 | 39 | 52 | 178 | 204 | 118 | 51 | 54 | 31 | 94 | 108 | 178 | 206 | 191 | 212 | 256 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-on | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | glassy |
High Tide | 3:55AM1.23m | 4:19PM1.07m | 4:31AM1.17m | 4:47PM0.98m | 5:13AM1.07m | 5:18PM0.88m | ||||||||||||||||
Low Tide | 10:44AM0.12m | 10:42PM0.24m | 11:21AM0.26m | 11:07PM0.29m | 12:08PM0.42m | |||||||||||||||||
6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | |
— | — | — | 5:50 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:51 | — | — | |
mm | 2 | 2 | — | 1 | 2 | 1 | — | — | 1 | 1 | — | — | 5 | 1 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | — |
Temp °C | 21 | 23 | 26 | 24 | 22 | 22 | 23 | 22 | 20 | 20 | 24 | 22 | 21 | 21 | 19 | 19 | 18 | 18 | 19 | 19 | 18 | 18 |
Feels °C | 24 | 26 | 28 | 26 | 24 | 25 | 26 | 25 | 19 | 22 | 26 | 24 | 22 | 22 | 18 | 18 | 18 | 18 | 19 | 18 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | SSW 6 | SSW 6 | S 6 | S 6 | S 7 | S 7 | E 7 | S 6 | S 7 | SSE 7 | E 8 | E 9 | E 9 | E 9 | E 9 | S 7 | S 7 | S 8 | SSE 8 | SSE 8 |
68 | 66 | 10 | 12 | 12 | 12 | 26 | 38 | 104 | 178 | 204 | 118 | 140 | 153 | 126 | 102 | 76 | 178 | 206 | 191 | 212 | 256 | |
Swell 2 Height (m) Direction Period (s) | SSW 6 | SSW 6 | S 9 | S 9 | S 8 | ESE 8 | — | S 7 | — | E 7 | E 8 | E 8 | SSW 7 | S 6 | S 7 | SE 10 | SSE 8 | E 9 | E 9 | E 9 | E 9 | E 8 |
12 | 12 | 2 | 1 | 1 | 22 | — | 39 | — | 86 | 93 | 124 | 51 | 54 | 23 | 47 | 22 | 56 | 38 | 37 | 36 | 23 | |
Swell 3 Height (m) Direction Period (s) | SE 10 | S 9 | SE 9 | — | — | — | — | — | — | SW 6 | SW 7 | SSW 6 | SSE 7 | SE 8 | SE 8 | S 10 | SE 9 | SE 9 | — | — | — | — |
4 | 2 | 3 | — | — | — | — | — | — | 62 | 88 | 66 | 40 | 31 | 15 | 2 | 23 | 29 | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | NE 3 | E 8 | E 4 | E 5 | E 5 | E 6 | E 6 | SW 4 | — | — | — | NNW 2 | NW 3 | SW 4 | SSW 5 | SSW 6 | — | — | — | — | — |
— | 3 | 107 | 57 | 117 | 99 | 120 | 112 | 52 | — | — | — | 1 | 4 | 31 | 94 | 108 | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 0 | 8 | 8 | 10 | 8 | 50 | 0 | 0 | 25 | 0 | 8 | 32 | 58 | 32 | 58 | 339 | 26 | 19 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












