Surf Forecasts:
How big are the waves at Maresias today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 3.5ft (1.1m), 10s period with SSW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.
- Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.
The current surf forecast for Maresias at 5PM is: 1.2m 9s primary swell from a South direction and 0.7m 4s secondary swell from a Southwest direction (forecast issued at 08:00am September 15). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 3.5ft (1.1m) | 10s |
| Afternoon (15 Sep) | 3.5ft (1.1m) | 9s |
| Evening (15 Sep) | 3.5ft (1.1m) | 9s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Very mild (max 19°C on Tue morning, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||
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 | SSW 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 13 | S 12 | S 12 | S 12 | S 11 | SSE 11 | SSE 9 | SSE 9 | SSE 9 | S 11 | S 10 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 165 | 250 | 226 | 207 | 230 | 190 | 155 | 143 | 112 | 119 | 151 | 285 | 336 | 192 | 400 | 374 | 307 | 337 | 401 | 408 | 268 | 216 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross | glassy | glassy | glassy | cross-on | cross | cross | cross | cross | cross-off | cross | cross | cross-off | cross-off |
High Tide | 4:12AM1.11m | 4:08PM0.99m | 4:44AM1.01m | 4:29PM0.93m | 5:20AM0.90m | 4:53PM0.86m | ||||||||||||||||
Low Tide | 10:27AM0.34m | 10:21PM0.20m | 10:41AM0.44m | 10:44PM0.26m | 10:42AM0.55m | |||||||||||||||||
 |  | | |  |  | | |  | | | | | | | | | | | |  | | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | 1 | — | — | — | — | 2 | 2 | 3 | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 18 | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 17 | 17 |
Feels °C | 18 | 19 | 19 | 19 | 20 | 18 | 19 | 18 | 18 | 21 | 20 | 20 | 19 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | S 10 | SSW 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 10 | S 10 | S 12 | S 12 | S 11 | SSE 11 | SSE 9 | SSE 9 | SSE 9 | S 11 | S 10 | S 10 | S 10 |
| kJ | 165 | 250 | 226 | 207 | 230 | 190 | 155 | 143 | 112 | 94 | 123 | 285 | 336 | 192 | 400 | 374 | 307 | 337 | 401 | 408 | 268 | 216 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SSE 9 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | ESE 8 | S 13 | S 12 | ESE 7 | ESE 7 | SSE 16 | SSE 15 | SSE 15 | S 14 | S 13 | S 13 | SE 8 | S 12 | S 12 |
| kJ | 81 | 49 | 40 | 39 | 40 | 40 | 29 | 32 | 64 | 119 | 151 | 41 | 40 | 51 | 73 | 71 | 136 | 168 | 90 | 3 | 100 | 71 |
Swell 3 Height (m) Direction Period (s) | E 6 | E 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SSE 13 | ESE 7 | ESE 7 | SE 8 | SE 8 | ESE 11 | SE 8 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | — | ESE 10 | — |
| kJ | 16 | 41 | 47 | 44 | 55 | 43 | 32 | 27 | 59 | 40 | 43 | 21 | 22 | 13 | 20 | 13 | 13 | 22 | 18 | — | 56 | — |
Wind waves Height (m) Direction Period (s) | SW 5 | — | — | SW 4 | — | — | — | — | — | — | — | — | — | SE 7 | E 8 | E 7 | E 7 | ESE 7 | ESE 4 | ESE 5 | E 5 | E 5 |
| kJ | 26 | — | — | 16 | — | — | — | — | — | — | — | — | — | 118 | 29 | 26 | 28 | 16 | 31 | 45 | 52 | 51 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 58 | 26 | 26 | 26 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 19 | 11 | 11 | 4 | 4 | 0 | 4 | 4 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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