Surf Forecasts:
How big are the waves at Maresias today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 5ft (1.5m), 10s period with S swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 5ft (1.5m), 10s period with S swell.
- Evening surf: Evening surf (20 Oct, local time) - 4.5ft (1.3m), 10s period with S swell.
The current surf forecast for Maresias at 11AM is: 1.5m 10s primary swell from a South direction and 0.3m 8s secondary swell from a East-southeast direction (forecast issued at 02:00am October 20). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 5ft (1.5m) | 10s |
| Afternoon (20 Oct) | 5ft (1.5m) | 10s |
| Evening (20 Oct) | 4.5ft (1.3m) | 10s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 23°C on Wed morning, min 18°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 502 | 492 | 512 | 470 | 489 | 479 | 408 | 339 | 332 | 342 | 307 | 312 | 343 | 297 | 292 | 286 | 270 | 265 | 279 | 241 | 241 | 241 | 241 | 270 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | cross-on | on | glassy | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-off |
High Tide | 12:16PM0.92m | 11:33PM0.84m | 12:36PM1.00m | 00:06AM0.96m | 12:57PM1.07m | |||||||||||||||||||
Low Tide | 4:40AM0.30m | 5:27PM0.47m | 5:34AM0.20m | 6:07PM0.37m | 6:19AM0.11m | 6:44PM0.27m | ||||||||||||||||||
 | |  | | | |  |  | | | |  | | | | |  | |  | | | | | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 19 | 18 | 19 | 19 | 20 | 20 | 19 | 18 | 18 | 18 | 18 | 22 | 23 | 23 | 20 | 20 | 20 | 20 | 20 | 21 | 23 | 23 | 21 | 21 |
Feels °C | 20 | 19 | 20 | 20 | 21 | 21 | 20 | 18 | 18 | 19 | 19 | 23 | 24 | 24 | 21 | 21 | 22 | 22 | 22 | 23 | 25 | 25 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 502 | 492 | 512 | 470 | 489 | 479 | 408 | 339 | 332 | 342 | 307 | 312 | 343 | 297 | 292 | 286 | 270 | 265 | 279 | 241 | 241 | 241 | 241 | 270 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | S 18 | S 18 | S 18 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | — | — |
| kJ | 30 | 25 | 24 | 14 | 14 | 14 | 34 | 32 | 31 | 16 | 16 | 16 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | ESE 11 | ESE 11 | ESE 11 | ESE 11 | — | S 20 | S 20 | S 20 | S 19 | S 18 | S 18 | — | — | S 16 | — | — | — | — | — | — | — | — |
| kJ | — | — | 12 | 12 | 11 | 11 | — | 7 | 7 | 7 | 7 | 6 | 6 | — | — | 5 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | ESE 4 | ENE 3 | ESE 4 | ESE 4 | E 5 | E 5 | E 5 | E 6 | E 6 | E 5 | E 6 | E 6 | E 6 | E 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | 10 | 3 | 20 | 40 | 54 | 83 | 90 | 100 | 85 | 97 | 121 | 146 | 162 | 196 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 4 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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