Surf Forecasts:
How big are the waves at Maresias today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 3.5ft (1.1m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 3.5ft (1.1m), 9s period with SE swell.
- Evening surf: Evening surf (17 Oct, local time) - 3.5ft (1.1m), 9s period with SE swell.
The current surf forecast for Maresias at 5AM is: 1.1m 8s primary swell from a Southeast direction and 0.1m 11s secondary swell from a Southeast direction, 0.9m 5s secondary swell from a South direction (forecast issued at 08:00pm October 16). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 3.5ft (1.1m) | 8s |
| Afternoon (17 Oct) | 3.5ft (1.1m) | 9s |
| Evening (17 Oct) | 3.5ft (1.1m) | 9s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Fri night. Warm (max 22°C on Fri night, min 18°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Fri 16 | Saturday 17 | Sunday 18 | ||||||||||||||||
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) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | S 12 | S 11 | S 10 | SSW 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 171 | 171 | 187 | 149 | 171 | 180 | 189 | 202 | 182 | 182 | 182 | 182 | 138 | 140 | 464 | 606 | 530 | 394 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross | on | cross-on | cross-on | on | on |
High Tide | 4:32PM0.87m | 5:49AM0.81m | 11:45AM0.65m | 5:12PM0.80m | 7:12AM0.73m | 11:37AM0.74m | 6:21PM0.72m | |||||||||||
Low Tide | 11:11PM0.32m | 10:15AM0.65m | 12:40PM0.65m | 1:29AM0.40m | 9:04AM0.71m | 3:13PM0.65m | ||||||||||||
 |  | |  |  |  | |  |  |  | | | |  | | | |  | |
 | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — |
mm | 2 | 2 | 4 | 9 | 6 | 2 | 1 | — | — | — | — | — | — | 1 | 1 | — | 1 | — |
Temp °C | 23 | 22 | 22 | 21 | 20 | 19 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 21 | 21 | 20 | 19 | 18 |
Feels °C | 27 | 26 | 26 | 22 | 21 | 20 | 21 | 22 | 23 | 21 | 21 | 21 | 20 | 22 | 22 | 20 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | S 8 | S 12 | S 11 | S 10 | SSW 10 |
| kJ | 171 | 171 | 187 | 149 | 171 | 180 | 189 | 202 | 182 | 182 | 182 | 182 | 138 | 140 | 464 | 606 | 530 | 394 |
Swell 2 Height (m) Direction Period (s) | S 12 | — | — | SE 11 | — | — | SSW 6 | SSW 7 | S 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | ESE 9 | SE 9 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 3 | — | — | 5 | — | — | 64 | 89 | 112 | 94 | 101 | 104 | 107 | 138 | 190 | 212 | 168 | 164 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 16 | SE 15 | SE 15 | SE 15 | SE 14 | SE 11 | SE 11 | SE 11 | SSE 13 | E 8 | S 13 |
| kJ | — | — | — | — | — | — | — | 5 | 9 | 9 | 8 | 8 | 31 | 44 | 123 | 17 | 1 | 280 |
Wind waves Height (m) Direction Period (s) | — | — | SW 4 | S 4 | S 5 | SSW 6 | — | — | — | — | — | — | — | — | SW 3 | — | — | — |
| kJ | — | — | 4 | 23 | 40 | 47 | — | — | — | — | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 51 | 77 | 26 | 26 | 19 | 0 | 0 | 0 | 0 | 4 | 63 | 62 | 26 | 66 | 25 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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