Surf Forecasts:
How big are the waves at Maresias today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.
- Evening surf: Evening surf (21 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.
The current surf forecast for Maresias at 4PM is: 0.2m 11s primary swell from a South direction (forecast issued at 08:00am September 21). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 0.5ft (0.2m) | 11s |
| Afternoon (21 Sep) | 0.5ft (0.2m) | 11s |
| Evening (21 Sep) | 0.5ft (0.2m) | 11s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 48mm), heaviest during Wed afternoon. Warm (max 31°C on Mon morning, min 17°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||
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 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 12 | WSW 4 | SW 4 | SW 4 | SSW 5 | SSW 6 | SSW 6 | S 7 | S 7 | S 7 | S 8 | S 11 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 3 | 7 | 16 | 18 | 23 | 56 | 66 | 187 | 233 | 339 | 358 | 1069 | 919 | 857 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-off | off | off | off | off | cross-on | cross | cross-on | on | on | on | cross-on | on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 12:57PM0.95m | 00:23AM0.83m | 1:16PM1.03m | 00:45AM0.96m | 1:35PM1.10m | |||||||||||||||||
Low Tide | 5:25AM0.31m | 6:17PM0.47m | 6:14AM0.19m | 6:48PM0.37m | 6:54AM0.08m | 7:19PM0.29m | ||||||||||||||||
 |  | | |  | |  | | |  | |  |  | | | |  | | |  | | | |
 | 5:52 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 4 | 4 | 7 | 3 | 5 | 11 | 2 | 3 |
Temp °C | 23 | 29 | 31 | 31 | 30 | 26 | 28 | 26 | 26 | 22 | 25 | 21 | 20 | 20 | 20 | 19 | 18 | 18 | 18 | 17 | 18 | 18 |
Feels °C | 23 | 29 | 33 | 32 | 31 | 26 | 27 | 26 | 27 | 23 | 28 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 18 | 17 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | S 11 | S 11 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 6 | S 7 | E 8 | E 8 | S 12 | S 11 | S 10 | S 18 |
| kJ | 219 | 219 | 153 | 9 | 9 | 117 | 95 | 95 | 95 | 95 | 100 | 105 | 105 | 111 | 66 | 92 | 90 | 90 | 172 | 1069 | 919 | 751 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | — | — | S 11 | S 10 | S 10 | S 10 | NW 4 | S 10 | S 9 | S 9 | SSW 6 | E 8 | E 8 | S 15 | S 14 | E 8 | E 8 | S 19 | E 8 |
| kJ | 11 | 10 | 9 | — | — | 9 | 9 | 8 | 2 | 4 | 2 | 2 | 1 | 56 | 113 | 116 | 4 | 33 | 68 | 49 | 347 | 46 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 14 | S 12 | S 10 | S 12 | S 12 | S 12 | S 12 | S 11 | — | E 15 | — | S 22 | SSE 20 | E 8 | E 12 |
| kJ | — | — | — | — | — | — | — | 4 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | — | 4 | — | 9 | 81 | 46 | 72 |
Wind waves Height (m) Direction Period (s) | — | NNW 3 | — | E 8 | E 8 | NNE 3 | N 3 | NNW 4 | NNW 4 | WSW 4 | SW 4 | SW 4 | SSW 5 | — | — | S 7 | S 7 | S 7 | S 8 | SE 6 | — | S 10 |
| kJ | — | 1 | — | 167 | 169 | 3 | 8 | 16 | 19 | 7 | 16 | 18 | 23 | — | — | 187 | 233 | 339 | 358 | 83 | — | 857 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 50 | 26 | 22 | 26 | 26 | 58 | 26 | 143 | 19 | 66 | 339 | 19 | 19 | 11 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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