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Surf Forecasts:
Itaipu surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 2 am Saturday 18 Apr 2026 -03Forecast update in hr min s Forecast update imminent
Itaipu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Itaipu sea temperature is
23.8° C
(Which is 1.7°C colder than average for this time of year)How big are the waves at Itaipu today?
The current surf forecast for Itaipu at 11AM is: 0.8m 9s primary swell from a Southeast direction and 0.7m 10s secondary swell from a South-southeast direction (forecast issued at 02:00am April 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 2.5ft (0.8m) | 9s |
| Afternoon (18 Apr) | 2.5ft (0.8m) | 9s |
| Evening (18 Apr) | 2.5ft (0.7m) | 10s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 121 | 121 | 150 | 112 | 106 | 106 | 102 | 102 | 85 | 70 | 70 | 67 | 74 | 73 | 68 | 54 | 83 | 78 | 151 | 175 | 161 | 158 | 154 | 154 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | glass | cross | cross | cross- off | glass | cross | cross | cross | cross- on | on | on | on | on | cross- on | cross- on | cross | cross | cross- on | on | on | cross- on |
High Tide / height (m) | 4:28PM 1.07 | 3:40AM 0.84 | 5:15PM 1.07 | 3:42AM 0.85 | 6:00PM 1.04 | |||||||||||||||||||
Low Tide / height (m) | 9:20AM -0.02 | 9:56PM 0.09 | 10:05AM -0.08 | 10:43PM 0.16 | 10:52AM -0.11 | |||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:07 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:36 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:34 | - | - |
 | | |  | | | |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 22 | 22 | 25 | 26 | 27 | 25 | 25 | 24 | 23 | 22 | 24 | 24 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 23 | 23 |
| Feels °C (?) | 24 | 24 | 23 | 26 | 27 | 28 | 27 | 28 | 26 | 25 | 23 | 26 | 23 | 24 | 26 | 27 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 25 |
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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 Itaipu 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.
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