
Surf Forecasts:
How big are the waves at Praia das Dunas today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 2.5ft (0.7m), 10s period with S swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.7m), 10s period with S swell.
- Evening surf: Evening surf (31 Jul, local time) - 2ft (0.6m), 13s period with S swell.
The current surf forecast for Praia das Dunas at 6AM is: 0.4m 11s primary swell from a South direction (forecast issued at 02:00am July 31). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 2.5ft (0.7m) | 10s |
| Afternoon (31 Jul) | 2.5ft (0.7m) | 10s |
| Evening (31 Jul) | 2ft (0.6m) | 13s |
Table - waves today at Praia das Dunas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Fri morning, min 19°C on Sat night). Winds increasing (light winds from the ESE on Fri morning, strong winds from the ENE by Sun afternoon). | ||||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||||||
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 10 | E 8 | S 11 | S 10 | S 10 | S 10 | S 10 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
Wave Graph | ||||||||||||||||||||||||
127 | 5 | 39 | 92 | 183 | 90 | 67 | 125 | 163 | 151 | 425 | 336 | 330 | 253 | 231 | 182 | 184 | 119 | 144 | 150 | 181 | 219 | 280 | 269 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on |
High Tide | 3:09AM1.08m | 4:02PM1.04m | 3:39AM1.09m | 4:29PM1.01m | 4:13AM1.08m | 4:58PM0.98m | ||||||||||||||||||
Low Tide | 9:33PM0.28m | 9:52AM-0.01m | 10:05PM0.28m | 10:28AM0.02m | 10:40PM0.29m | 11:06AM0.08m | ||||||||||||||||||
— | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | |
— | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:27 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 23 | 23 | 22 | 20 |
Feels °C | 22 | 22 | 23 | 23 | 20 | 19 | 18 | 18 | 19 | 18 | 18 | 16 | 17 | 15 | 14 | 15 | 15 | 14 | 14 | 14 | 19 | 18 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | S 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
127 | 214 | 159 | 92 | 183 | 90 | 67 | 64 | 110 | 106 | 425 | 336 | 330 | 253 | 231 | 182 | 184 | 112 | 108 | 77 | 51 | 48 | 31 | 17 | |
Swell 2 Height (m) Direction Period (s) | SSW 7 | E 8 | S 11 | SSW 6 | SSW 14 | S 6 | S 6 | S 13 | S 13 | S 12 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | SSE 10 | SSE 10 | SE 9 | — | — | SE 9 | SSE 8 |
51 | 5 | 39 | 30 | 67 | 18 | 18 | 125 | 163 | 151 | 17 | 17 | 8 | 7 | 7 | 7 | 7 | 9 | 9 | 3 | — | — | 3 | 7 | |
Swell 3 Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | S 15 | E 7 | S 14 | S 13 | S 6 | E 8 | E 9 | — | — | E 10 | — | — | — | E 9 | E 9 | — | — | — | — | — | — |
4 | 4 | 8 | 38 | 10 | 96 | 92 | 18 | 5 | 7 | — | — | 8 | — | — | — | 7 | 7 | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ESE 4 | ESE 4 | ESE 4 | ESE 5 | E 5 | E 5 | ENE 4 | ENE 4 | ENE 4 | E 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
— | — | — | — | 8 | 14 | 27 | 37 | 29 | 20 | 20 | 16 | 28 | 77 | 113 | 115 | 107 | 119 | 144 | 150 | 181 | 219 | 280 | 269 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 9 | 13 | 5 | 5 | 5 | 13 | 5 | 5 | 5 | 15 | 15 | 68 | 274 | 274 | 83 | 83 | 48 | 48 | 43 | 43 | 68 | 68 | 58 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













