Surf Forecasts:
How big are the waves at Praia das Dunas today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 3.5ft (1.1m), 11s period with S swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 6.5ft (2.0m), 6s period with ENE swell.
- Evening surf: Evening surf (17 Aug, local time) - 6ft (1.9m), 6s period with ENE swell.
The current surf forecast for Praia das Dunas at 9AM is: 1.1m 11s primary swell from a South direction and 0.3m 11s secondary swell from a East-southeast direction, 1.6m 7s secondary swell from a East-northeast direction (forecast issued at 02:00am August 17). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3.5ft (1.1m) | 11s |
| Afternoon (17 Aug) | 6.5ft (2.0m) | 6s |
| Evening (17 Aug) | 6ft (1.9m) | 6s |
Table - waves today at Praia das Dunas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Tue morning, min 19°C on Mon night). Winds decreasing (strong winds from the NE on Mon afternoon, moderate winds from the ENE by Wed morning). | ||||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
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 11 | S 11 | S 11 | S 11 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 287 | 282 | 284 | 279 | 279 | 309 | 340 | 309 | 265 | 265 | 273 | 230 | 220 | 240 | 317 | 342 | 277 | 251 | 210 | 293 | 146 | 124 | 127 | 151 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | on | on |
High Tide | 4:42AM1.02m | 4:58PM0.88m | 5:21AM0.93m | 5:22PM0.83m | 6:07AM0.82m | 5:49PM0.77m | ||||||||||||||||||
Low Tide | 10:53PM0.27m | 11:25AM0.26m | 11:27PM0.28m | 11:59AM0.38m | 00:09AM0.31m | 12:43PM0.48m | ||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — |
 | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:32 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 23 | 23 | 22 | 20 | 20 | 19 | 19 | 21 | 23 | 23 | 22 | 22 |
Feels °C | 15 | 16 | 16 | 16 | 15 | 14 | 15 | 14 | 13 | 13 | 14 | 14 | 19 | 19 | 17 | 15 | 16 | 16 | 17 | 19 | 21 | 21 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | ENE 7 | S 9 | S 9 | S 10 | SE 13 |
| kJ | 147 | 282 | 284 | 279 | 279 | 231 | 227 | 177 | 138 | 133 | 98 | 69 | 68 | 46 | 30 | 28 | 15 | 15 | 15 | 176 | 7 | 7 | 8 | 7 |
Swell 2 Height (m) Direction Period (s) | S 11 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 11 | SE 11 | SE 11 | E 13 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 9 | SSE 8 | S 9 | SE 8 | SE 13 | SE 13 | S 10 |
| kJ | 287 | 27 | 25 | 24 | 12 | 12 | 12 | 12 | 12 | 5 | 5 | 5 | 3 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 3 | 7 | 7 | 2 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | — | — | — | — | — | — | — | — | — | — | — | E 10 | — | SE 13 | SE 12 | SE 13 | SE 12 | SE 13 | SSE 8 | SE 13 | SE 8 | SE 9 | SE 8 |
| kJ | 27 | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 6 | E 7 | E 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 |
| kJ | 111 | 263 | 236 | 232 | 244 | 309 | 340 | 309 | 265 | 265 | 273 | 230 | 220 | 240 | 317 | 342 | 277 | 251 | 210 | 293 | 146 | 124 | 127 | 151 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 102 | 83 | 58 | 58 | 68 | 111 | 274 | 102 | 83 | 58 | 48 | 48 | 48 | 68 | 68 | 58 | 48 | 46 | 15 | 13 | 5 | 5 | 13 | 58 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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