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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 Friday 22 Aug 2025 -03
How big are the waves at Praia das Dunas today?
The current surf forecast for Praia das Dunas at 11PM is: 1.9m 7s primary swell from a East-northeast direction and 0.4m 9s secondary swell from a Southeast direction, 0.2m 12s secondary swell from a East-southeast direction (forecast issued at 08:00pm August 22). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | - | - |
| Afternoon (22 Aug) | - | - |
| Evening (22 Aug) | 6ft (1.9m) | 7s |
Table - waves today at Praia das Dunas. (Swell directed towards the surf break)
Fri 22 | Saturday 23 | Sunday 24 | Monday 25 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 486 | 351 | 364 | 413 | 417 | 356 | 365 | 558 | 841 | 606 | 450 | 380 | 326 | 279 | 209 | 173 | 141 | 109 | 106 | 87 | 86 | 90 | 86 | 84 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | glass | cross- on | cross |
High Tide / height (m) | 2:08AM 1.07 | 3:06PM 1.05 | 2:38AM 1.11 | 3:27PM 1.03 | 3:09AM 1.13 | |||||||||||||||||||
Low Tide / height (m) | 8:31PM 0.32 | 8:47AM -0.04 | 8:58PM 0.28 | 9:19AM -0.02 | 9:25PM 0.26 | 9:49AM 0.04 | ||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Monday 25 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:34 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 |
 | | | | |  | | | | | | | | |  | | | | |  |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 20 | 20 | 20 | 19 | 20 | 25 | 24 | 22 | 21 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 22 |
| Feels °C (?) | 14 | 14 | 13 | 14 | 13 | 15 | 19 | 18 | 15 | 16 | 16 | 18 | 18 | 18 | 17 | 16 | 18 | 19 | 20 | 20 | 22 | 23 | 22 | 21 |
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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
Calm condsitions have become offshore at Praia da Macumba (light winds from the N at Marambaia (Rio de Janeiro) 13 km from Praia da Macumba). 0.4m 9s swell from the SSW with a 0.2m 12s groundswell from the SE and a 0.1m 14s groundswell from the SSW. 3 swells combining to make bigger set waves.
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