Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Praia das Dunas surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 2 pm Monday 22 Dec 2025 -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
25.9° C
(Which is 1.1°C warmer than 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 9PM is: 1.4m 6s primary swell from a East-northeast direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 02:00pm December 22). An open ocean swell of 0.5m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Dec) | - | - |
| Afternoon (22 Dec) | 4.5ft (1.4m) | 5s |
| Evening (22 Dec) | 4.5ft (1.4m) | 6s |
Table - waves today at Praia das Dunas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||
| 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 | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 82 | 117 | 139 | 110 | 94 | 104 | 115 | 177 | 206 | 289 | 431 | 342 | 261 | 200 | 173 | 168 | 168 | 157 | 220 | 223 | 165 | 133 | 108 | 111 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | on | on | on | on | on | on | on | cross- on | on | on | on | on | on | on | cross- on | cross- on | on | on | on | on | on | on |
High Tide / height (m) | 3:30PM 0.98 | 4:38AM 0.98 | 4:06PM 0.98 | 5:16AM 0.95 | 4:45PM 0.97 | 6:01AM 0.91 | ||||||||||||||||||
Low Tide / height (m) | 10:09AM 0.35 | 10:23PM 0.05 | 10:48AM 0.37 | 11:06PM 0.08 | 11:31AM 0.41 | 11:54PM 0.12 | ||||||||||||||||||
Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:00 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - |
| Sunset | - | - | 6:31 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - |
 | | |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 24 | 24 | 23 | 22 | 22 | 24 | 27 | 26 | 25 | 24 | 23 | 23 | 23 | 25 | 27 | 26 | 25 | 24 | 23 | 23 | 23 | 25 |
| Feels °C (?) | 22 | 21 | 20 | 22 | 21 | 20 | 20 | 21 | 25 | 23 | 21 | 20 | 20 | 22 | 22 | 25 | 27 | 26 | 24 | 23 | 21 | 22 | 24 | 26 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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