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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 8 pm Saturday 18 Oct 2025 -03
How big are the waves at Praia das Dunas today?
The current surf forecast for Praia das Dunas at 9PM is: 1.3m 8s primary swell from a East-northeast direction (forecast issued at 08:00pm October 18). An open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 0.4m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | - | - |
| Afternoon (18 Oct) | - | - |
| Evening (18 Oct) | 4.5ft (1.3m) | 8s |
Table - waves today at Praia das Dunas. (Swell directed towards the surf break)
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 206 | 218 | 197 | 167 | 131 | 104 | 83 | 62 | 44 | 35 | 1667 | 1651 | 867 | 1194 | 1024 | 1043 | 600 | 669 | 458 | 615 | 458 | 458 | 426 | 341 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | off | cross- off | cross- off | cross- off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 12:59AM 1.04 | 1:30PM 1.01 | 1:30AM 1.09 | 1:50PM 1.02 | 2:00AM 1.11 | 2:10PM 1.01 | ||||||||||||||||||
Low Tide / height (m) | 7:00PM 0.27 | 7:19AM 0.10 | 7:28PM 0.20 | 7:50AM 0.11 | 7:56PM 0.15 | 8:19AM 0.14 | ||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 |
 |  |  | |  | | | | | | | |  |  | |  |  | |  | | | | | | |
Rain (mm) | 4 | 1 | - | 1 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | 1 | 1 | - | - | - | - | - | 1 | 1 | - | - |
| Temp. °C | 22 | 22 | 21 | 21 | 20 | 21 | 20 | 20 | 20 | 19 | 20 | 20 | 19 | 18 | 20 | 20 | 20 | 20 | 19 | 18 | 18 | 19 | 20 | 20 |
| Feels °C (?) | 25 | 22 | 21 | 20 | 16 | 18 | 16 | 16 | 16 | 14 | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 17 | 17 | 16 | 16 | 16 | 16 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Rio de Janeiro
Continuing clean conditions at Praia das Dunas (light winds from the E at Cabo Frio Cape Airport 5 km from Praia das Dunas). A 1.2m swell from the E
3 h 12 min ago
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