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Praia das Dunas Surf Forecast
/ Rio de Janeiro (47 surf breaks) /
Praia das Dunas surfForecast / Rio de Janeiro / Brazil
12 Day Weather and Surf, issued 8 am Tuesday 01 Jul 2025 -03
Best Forecast Surf Conditions for Praia das Dunas this week:
The surf forecast for Praia das Dunas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 02) at 6AM. The primary swell is predicted to be 2.3m and 10s period with a secondary swell of 0.5m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Praia das Dunas in the next 12 days are 2.4m 11s and forecast to arrive on Friday (Jul 04) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 14s period and expected on Wednesday (Jul 02) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 2nd Jul) | 7.5ft (2.3m) 10s |
| Best Surf | 12AM (Fri 4th Jul) | 5ft (1.6m) 11s |
| Most Powerful | 6AM (Fri 4th Jul) | 8ft (2.4m) 11s |
Table - best surf conditions forecast for Praia das Dunas over the next 12 days.
Tuesday 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 10 | 10 | 8 | 8 | 15 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 11 | 10 | 10 | 7 | 7 | 7 | 8 | 8 | 7 | 14 | 14 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 55 | 55 | 54 | 929 | 879 | 20 | 26 | 191 | 997 | 2427 | 665 | 440 | 285 | 238 | 180 | 149 | 135 | 95 | 70 | 56 | 33 | 137 | 142 | 121 | 298 | 284 | 226 | 143 | 157 | 484 | 214 | 184 | 176 | 332 | 492 | 237 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross | cross- on | on | on | cross- on | cross- on | cross- off | cross- off | off | off | off | glass | cross | cross- off | glass | glass | cross- on | on | on | cross- on | on | on | cross- on | on | cross- on | off | cross- off |
High Tide / height (m) | 7:04PM 0.79 | 6:42AM 0.85 | 7:56PM 0.76 | 8:00AM 0.79 | 9:04PM 0.75 | 9:51AM 0.78 | 10:17PM 0.75 | 11:23AM 0.81 | 11:18PM 0.76 | 12:25PM 0.87 | 12:08AM 0.79 | 1:12PM 0.93 | 12:49AM 0.82 | 1:53PM 0.98 | 1:26AM 0.87 | 2:30PM 1.02 | 1:59AM 0.92 | 3:05PM 1.05 | 2:32AM 0.96 | 3:39PM 1.05 | 3:05AM 1.01 | 4:13PM 1.04 | ||||||||||||||
Low Tide / height (m) | 12:58PM 0.26 | 1:13AM 0.46 | 1:50PM 0.34 | 2:14AM 0.45 | 2:52PM 0.40 | 3:22AM 0.42 | 4:02PM 0.43 | 4:29AM 0.36 | 5:13PM 0.43 | 5:29AM 0.29 | 6:15PM 0.41 | 6:21AM 0.22 | 7:05PM 0.38 | 7:06AM 0.15 | 7:48PM 0.35 | 7:49AM 0.08 | 8:26PM 0.33 | 8:30AM 0.03 | 9:03PM 0.32 | 9:10AM -0.00 | 9:39PM 0.32 | 9:51AM -0.02 | 10:16PM 0.33 | |||||||||||||
Tuesday 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||||||||||||
| Sunrise | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - |
| Sunset | - | 5:14 | - | - | 5:14 | - | - | 5:15 | - | - | 5:15 | - | - | 5:15 | - | - | 5:15 | - | - | 5:15 | - | - | 5:15 | - | - | 5:16 | - | - | 5:16 | - | - | 5:17 | - | - | 5:17 | - |
 |  |  |  |  |  |  | |  | | |  | | | | | | | | | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | 6 | 2 | 2 | 6 | - | - | 3 | 5 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 21 | 21 | 20 | 19 | 19 | 19 | 20 | 19 | 18 | 19 | 19 | 20 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 22 | 20 | 20 | 22 | 22 | 20 | 22 | 21 | 20 |
| Feels °C (?) | 24 | 18 | 21 | 18 | 17 | 16 | 17 | 20 | 20 | 16 | 18 | 19 | 18 | 18 | 17 | 16 | 15 | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 16 | 16 | 17 | 18 | 16 | 22 | 19 | 20 |
Short Range Forecast: Moderate rain (total 19mm), heaviest on Tue night. Warm (max 23°C on Tue morning, min 18°C on Wed afternoon). Winds decreasing (fresh winds from the WSW on Tue afternoon, calm by Thu night). | Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Fri morning. Warm (max 20°C on Sat morning, min 17°C on Fri morning). Winds increasing (light winds from the ENE on Fri night, fresh winds from the WSW by Sun morning). | Days 6-9 Weather Summary Mostly dry. Warm (max 20°C on Mon morning, min 17°C on Mon night). Wind will be generally light. | Long Range Forecast: Mostly dry. Warm (max 22°C on Thu morning, min 18°C on Sun morning). Winds decreasing (fresh winds from the ENE on Fri afternoon, light winds from the SSW by Sat morning). | |||||||||||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Praia das Dunas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Praia das Dunas Surf forecast
The above surf forecast table for Praia das Dunas provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Praia das Dunas can be found by selecting the local surf guide option on the grey menu. Our Praia das Dunas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Praia das Dunas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Praia das Dunas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Praia das Dunas is 5 km (3 miles) from Cabo Frio. If you plan a holiday in Rio de Janeiro, look for hotels and other accommodation in Cabo Frio. Cabo Frio has rooms for a wide range of budgets as well as car hire and transport links.
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