Surf Forecasts:
How big are the waves at Maresias today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 1.5ft (0.4m), 10s period with SSE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 1ft (0.3m), 9s period with SSE swell.
- Evening surf: Evening surf (18 Aug, local time) - 0.5ft (0.2m), 11s period with S swell.
The current surf forecast for Maresias at 2PM is: 0.3m 9s primary swell from a South-southeast direction (forecast issued at 08:00am August 18). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 1.5ft (0.4m) | 10s |
| Afternoon (18 Aug) | 1ft (0.3m) | 9s |
| Evening (18 Aug) | 0.5ft (0.2m) | 11s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 32°C on Wed morning, min 18°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||
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) | SSE 10 | SSE 10 | SSE 10 | SSE 9 | S 11 | S 11 | S 9 | S 10 | S 10 | S 10 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | S 12 | S 11 | S 11 | S 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 32 | 31 | 18 | 17 | 9 | 9 | 7 | 7 | 7 | 3 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 11 | 22 | 21 | 35 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | glassy | cross-on | cross-off | off | off | off | off | glassy | cross-on | cross | glassy | cross-off | cross-off | cross-off | glassy | cross-on | glassy | cross | cross-off | cross-off |
High Tide | 5:11AM1.02m | 5:13PM0.90m | 5:49AM0.90m | 5:37PM0.84m | 6:38AM0.78m | 6:05PM0.76m | ||||||||||||||||
Low Tide | 11:31AM0.41m | 11:27PM0.33m | 11:47AM0.52m | 00:09AM0.39m | 11:11AM0.63m | |||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — |
 | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 27 | 29 | 29 | 24 | 24 | 25 | 24 | 24 | 29 | 32 | 31 | 24 | 21 | 20 | 18 | 19 | 21 | 26 | 26 | 23 | 23 |
Feels °C | 21 | 28 | 30 | 30 | 26 | 24 | 24 | 23 | 23 | 29 | 32 | 31 | 26 | 22 | 21 | 19 | 20 | 22 | 27 | 27 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | S 11 | S 11 | S 10 |
| kJ | 302 | 257 | 217 | 177 | 138 | 135 | 108 | 88 | 88 | 90 | 90 | 88 | 68 | 65 | 48 | 48 | 48 | 36 | 36 | 22 | 21 | 35 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | S 11 | S 9 | S 10 | S 10 | SE 8 | S 10 | S 10 | S 10 | SE 13 | S 10 | SE 13 | WSW 3 | SE 12 | WSW 4 | WSW 4 | WSW 4 | SW 5 |
| kJ | 32 | 31 | 18 | 17 | 8 | 9 | 7 | 7 | 7 | 3 | 2 | 2 | 2 | 7 | 2 | 7 | 1 | 6 | 1 | 2 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | S 9 | SE 9 | SE 8 | SE 8 | S 11 | S 9 | SE 8 | SE 8 | SE 8 | S 10 | SE 13 | SE 13 | SE 13 | S 10 | SE 13 | S 10 | SE 12 | S 9 | S 12 | SE 12 | SE 12 | SE 12 |
| kJ | 2 | 3 | 3 | 3 | 9 | 2 | 3 | 3 | 3 | 2 | 7 | 7 | 7 | 2 | 7 | 2 | 6 | 2 | 11 | 6 | 6 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 3 | — | E 7 | E 7 | E 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 36 | 79 | 50 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 19 | 4 | 4 | 4 | 4 | 4 | 4 | 225 | 4 | 4 | 4 | 5 | 5 | 4 | 84 | 4 | 4 | 4 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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