Surf Forecasts:
How big are the waves at Maresias today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 5ft (1.5m), 14s period with S swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 6ft (1.8m), 14s period with S swell.
- Evening surf: Evening surf (18 Jun, local time) - 6ft (1.9m), 14s period with S swell.
The current surf forecast for Maresias at 10AM is: 1.6m 14s primary swell from a South direction and 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 02:00am June 18). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 5ft (1.5m) | 14s |
| Afternoon (18 Jun) | 6ft (1.8m) | 14s |
| Evening (18 Jun) | 6ft (1.9m) | 14s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Sat night. Warm (max 24°C on Fri morning, min 15°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
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 11 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 279 | 306 | 434 | 915 | 1127 | 1175 | 1158 | 1352 | 1313 | 1294 | 1256 | 1303 | 1190 | 1063 | 905 | 772 | 563 | 466 | 368 | 290 | 232 | 180 | 171 | 123 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-off | cross-off | off | off | cross-off | glassy | cross-on | cross-on | glassy | cross |
High Tide | 3:54AM0.99m | 5:22PM0.94m | 4:33AM1.00m | 5:58PM0.87m | 5:17AM0.98m | 6:36PM0.81m | ||||||||||||||||||
Low Tide | 11:22AM0.09m | 11:53PM0.59m | 12:11PM0.16m | 00:29AM0.60m | 1:02PM0.25m | |||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | |  |  |  | |
 | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — |
 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 15 | 15 | 16 | 18 | 21 | 21 | 17 | 16 | 15 | 15 | 15 | 19 | 24 | 24 | 20 | 19 | 20 | 19 | 19 | 22 | 22 | 20 | 19 | 19 |
Feels °C | 16 | 16 | 17 | 18 | 20 | 20 | 17 | 15 | 14 | 14 | 13 | 18 | 24 | 24 | 19 | 18 | 20 | 19 | 19 | 23 | 22 | 21 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | ESE 7 | E 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 279 | 227 | 434 | 915 | 1127 | 1175 | 1158 | 1352 | 1313 | 1294 | 1256 | 1303 | 1190 | 1063 | 905 | 772 | 563 | 466 | 368 | 108 | 103 | 82 | 79 | 65 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 11 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 10 | ESE 10 | E 6 | E 6 | E 7 | S 12 | S 12 | S 12 | S 12 | S 11 |
| kJ | 195 | 306 | 181 | 28 | 26 | 26 | 25 | 14 | 22 | 14 | 14 | 14 | 14 | 14 | 10 | 19 | 89 | 104 | 94 | 290 | 232 | 180 | 171 | 123 |
Swell 3 Height (m) Direction Period (s) | ESE 8 | ESE 10 | ESE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 9 | E 9 | E 9 | SW 4 |
| kJ | 22 | 30 | 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | 19 | 19 | 19 | 18 | 6 | 6 | 6 | 16 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ENE 8 | ENE 3 | ENE 4 | NE 4 | E 6 | E 6 | E 6 | E 6 | — | — | — | SW 3 | SW 3 | SW 3 | SW 3 | — |
| kJ | — | — | — | — | — | — | — | — | 24 | 7 | 8 | 12 | 49 | 64 | 92 | 95 | — | — | — | 2 | 3 | 3 | 5 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 66 | 26 | 0 | 22 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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