Surf Forecasts:
How big are the waves at Maresias today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 4ft (1.2m), 10s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 3.5ft (1.1m), 11s period with SSE swell.
- Evening surf: Evening surf (21 Oct, local time) - 3.5ft (1.1m), 11s period with SSE swell.
The current surf forecast for Maresias at 6AM is: 1.3m 10s primary swell from a South-southeast direction and 0.3m 9s secondary swell from a East-southeast direction (forecast issued at 02:00am October 21). An open ocean swell of 0.5m 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 (21 Oct) | 4ft (1.2m) | 10s |
| Afternoon (21 Oct) | 3.5ft (1.1m) | 11s |
| Evening (21 Oct) | 3.5ft (1.1m) | 11s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Wed night. Warm (max 26°C on Fri morning, min 20°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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 | 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 11 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 332 | 356 | 307 | 312 | 343 | 297 | 292 | 286 | 270 | 222 | 222 | 241 | 237 | 237 | 241 | 281 | 336 | 330 | 265 | 251 | 242 | 180 | 176 | 130 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | glassy | cross-off | on | glassy | glassy | off |
High Tide | 12:36PM1.00m | 00:06AM0.96m | 12:57PM1.07m | 00:37AM1.07m | 1:18PM1.11m | |||||||||||||||||||
Low Tide | 5:34AM0.20m | 6:07PM0.37m | 6:19AM0.11m | 6:44PM0.27m | 7:00AM0.04m | 7:19PM0.20m | ||||||||||||||||||
 | |  | |  | | |  |  | |  |  | |  | | | | | | | |  | | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | 2 | 1 | — | — | — | — | — | 2 | 2 | — | — | 1 | — | — |
Temp °C | 19 | 18 | 18 | 23 | 23 | 23 | 20 | 20 | 20 | 20 | 20 | 21 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 23 | 26 | 25 | 25 | 24 |
Feels °C | 20 | 19 | 19 | 24 | 24 | 24 | 21 | 21 | 22 | 22 | 23 | 23 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 26 | 29 | 29 | 29 | 26 |
Swell 1 Height (m) Direction Period (s) | 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 11 | SSE 12 | SSE 12 | SSE 11 | E 6 | E 6 | E 6 | SSE 11 | E 7 |
| kJ | 332 | 356 | 307 | 312 | 343 | 297 | 292 | 286 | 270 | 222 | 222 | 241 | 237 | 237 | 241 | 281 | 336 | 330 | 265 | 95 | 79 | 66 | 176 | 74 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 18 | S 18 | S 16 | S 16 | S 16 | ESE 8 | S 16 | E 9 | S 15 | — | — | — | — | S 18 | SSE 11 | SSE 11 | SSE 11 | E 7 | SSE 10 |
| kJ | 31 | 16 | 16 | 16 | 16 | 6 | 6 | 5 | 5 | 5 | 13 | 5 | 7 | 4 | — | — | — | — | 6 | 251 | 242 | 180 | 70 | 130 |
Swell 3 Height (m) Direction Period (s) | S 20 | S 20 | S 19 | S 18 | S 18 | — | — | — | — | — | S 16 | — | S 15 | — | — | — | — | — | — | S 18 | S 18 | — | S 16 | S 16 |
| kJ | 7 | 7 | 7 | 6 | 6 | — | — | — | — | — | 5 | — | 4 | — | — | — | — | — | — | 6 | 6 | — | 5 | 5 |
Wind waves Height (m) Direction Period (s) | E 3 | — | E 3 | E 4 | E 4 | ESE 4 | E 5 | E 5 | E 5 | E 5 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | — | — | — | — | — |
| kJ | 1 | — | 5 | 4 | 10 | 29 | 52 | 83 | 90 | 97 | 82 | 97 | 101 | 139 | 121 | 111 | 129 | 119 | 109 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 4 | 19 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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