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Praia das Dunas Surf Forecast
/ Rio de Janeiro (47 surf breaks) /
Surf Forecasts:
Praia das Dunas surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 2 pm Wednesday 20 May 2026 -03Forecast update in hr min s Forecast update imminent
Praia das Dunas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia das Dunas sea temperature is
24.5° C
(Which is normal for this time of year)How big are the waves at Praia das Dunas today?
The current surf forecast for Praia das Dunas at 5PM is: 0.3m 8s primary swell from a East direction (forecast issued at 02:00pm May 20). An open ocean swell of 2.3m 14s is not directed at the surf break, a second open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 7.5ft (2.3m) | 14s |
| Evening (20 May) | 1ft (0.3m) | 8s |
Table - waves today at Praia das Dunas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Wed night. Warm (max 22°C on Wed afternoon, min 20°C on Thu morning). Winds increasing (calm on Fri morning, fresh winds from the NE by Sat morning). | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 14 | S 14 | E 8 | E 8 | E 8 | S 13 | S 14 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | E 9 | S 18 | E 9 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | |
2407 | 2155 | 10 | 10 | 10 | 1376 | 1422 | 2061 | 2543 | 3176 | 3720 | 4081 | 3866 | 3761 | 14 | 311 | 14 | 2981 | 3066 | 2814 | 2980 | 2407 | 2185 | 1949 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | |
High Tide | 6:01PM0.89m | 4:35AM0.86m | 7:30PM0.82m | 5:28AM0.83m | 9:20PM0.79m | 6:46AM0.80m | ||||||||||||||||||
Low Tide | 11:20AM0.07m | 00:06AM0.57m | 12:21PM0.14m | 1:04AM0.60m | 1:30PM0.21m | 2:12AM0.60m | ||||||||||||||||||
 |  |  | | |  |  |  | | |  | | |  | |  |  | | | | | | | | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — |
 | — | 5:13 | — | — | — | — | — | — | — | 5:12 | — | — | — | — | — | — | — | 5:12 | — | — | — | — | — | 5:12 |
2 | — | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 21 | 21 | 21 | 20 | 21 | 21 | 20 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 21 |
23 | 22 | 21 | 22 | 23 | 23 | 22 | 21 | 19 | 18 | 18 | 20 | 20 | 22 | 22 | 22 | 23 | 20 | 21 | 19 | 19 | 19 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | S 14 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | SSW 14 | SSW 14 | SSW 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 |
 kJ | 2407 | 2155 | 1956 | 1496 | 1288 | 1376 | 1422 | 2061 | 2543 | 3176 | 3720 | 4081 | 3866 | 3761 | 3467 | 2940 | 3062 | 2981 | 3066 | 2814 | 2980 | 2407 | 2185 | 1949 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 16 | E 8 | ESE 8 | E 8 | E 8 | E 8 | — | E 9 | E 9 | S 18 | E 9 | E 9 | E 9 | — | — | E 9 | — | E 9 |
| kJ | 12 | 11 | 10 | 10 | 10 | 10 | 427 | 12 | 22 | 12 | 12 | 12 | — | 13 | 14 | 311 | 14 | 13 | 13 | — | — | 6 | — | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 6 | SE 5 | — | E 8 | — | — | — | — | — | — | — | — | E 9 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | 5 | — | 11 | — | — | — | — | — | — | — | — | 14 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WSW 4 | WSW 4 | — | — | — | — | S 4 | — | — | — | — | — | — | — | — | — | — | E 9 | E 9 | ESE 5 | E 5 | E 5 |
| kJ | — | — | 13 | 12 | — | — | — | — | 22 | — | — | — | — | — | — | — | — | — | — | 13 | 6 | 71 | 54 | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 0 | 235 | 13 | 13 | 0 | 0 | 24 | 24 | 24 | 24 | 0 | 0 | 0 | 7 | 0 | 7 | 5 | 5 | 5 | 13 | 13 | 18 | 15 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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