- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Itaipu surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 2 pm Sunday 17 May 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
23.2° C
(Which is slightly cooler than normal)How big are the waves at Itaipu today?
The current surf forecast for Itaipu at 7PM is: 1.1m 11s primary swell from a South direction (forecast issued at 02:00pm May 17). An open ocean swell of 0.1m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | - | - |
| Afternoon (17 May) | 4ft (1.2m) | 11s |
| Evening (17 May) | 3.5ft (1.1m) | 11s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 32mm), heaviest during Mon night. Warm (max 25°C on Sun afternoon, min 20°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 15 | S 15 | S 14 | S 14 | S 13 | SSW 9 | SW 8 | SSW 8 | S 18 | S 18 | S 16 | S 16 | S 15 | |
338 | 332 | 279 | 274 | 223 | 214 | 167 | 161 | 123 | 92 | 90 | 72 | 68 | 103 | 92 | 85 | 149 | 649 | 525 | 520 | 1351 | 1647 | 1933 | 2051 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross-on | cross-off | off | glassy | glassy | on | glassy | glassy | glassy | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross | |
High Tide | 4:04PM1.07m | 2:07AM0.88m | 4:53PM1.03m | 2:39AM0.91m | 5:45PM0.96m | 3:19AM0.94m | ||||||||||||||||||
Low Tide | 9:23PM0.19m | 9:32AM-0.15m | 10:07PM0.27m | 10:19AM-0.15m | 10:52PM0.34m | |||||||||||||||||||
 |  |  |  |  |  | | |  |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — |
 | — | 5:17 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | 5:16 |
— | — | 2 | 1 | — | — | — | — | — | 3 | 5 | 6 | 3 | — | — | — | 2 | 1 | 1 | 3 | 2 | 1 | 1 | — | |
Temp °C | 23 | 25 | 23 | 22 | 22 | 21 | 21 | 22 | 24 | 22 | 21 | 21 | 21 | 21 | 22 | 22 | 21 | 22 | 21 | 21 | 21 | 21 | 20 | 20 |
25 | 26 | 25 | 24 | 23 | 23 | 23 | 25 | 27 | 24 | 24 | 25 | 25 | 23 | 23 | 22 | 20 | 21 | 20 | 22 | 23 | 23 | 21 | 22 | |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | S 18 | S 16 | S 16 | S 15 |
 kJ | 338 | 332 | 279 | 274 | 223 | 214 | 167 | 161 | 123 | 92 | 90 | 65 | 64 | 62 | 61 | 45 | 149 | 407 | 394 | 318 | 1351 | 1647 | 1933 | 2051 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | E 7 | E 7 | E 4 | E 4 | E 5 | E 5 | E 5 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 15 | S 19 | S 18 | S 8 | S 8 | S 8 | S 8 |
| kJ | 6 | 6 | 1 | 1 | 1 | 2 | 4 | 2 | 2 | 21 | 45 | 72 | 68 | 103 | 92 | 85 | 54 | 72 | 362 | 520 | 309 | 334 | 313 | 266 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | S 18 | — | E 7 | E 7 | S 19 | S 19 | S 17 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | S 16 | S 16 | S 20 | S 15 | S 15 | SE 12 | SE 12 | SE 12 | — |
| kJ | 6 | 6 | 6 | — | 1 | 1 | 7 | 7 | 22 | 4 | 4 | 4 | 4 | 4 | 1 | 46 | 45 | 124 | 104 | 267 | 6 | 6 | 5 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WSW 3 | WNW 3 | W 3 | — | NNW 3 | — | — | WSW 3 | SW 4 | SW 5 | SW 6 | SW 6 | SW 8 | SSW 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | 2 | 2 | — | 1 | — | — | 1 | 4 | 14 | 50 | 80 | 649 | 525 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 34 | 34 | 34 | 5 | 20 | 0 | 0 | 0 | 0 | 78 | 0 | 0 | 0 | 48 | 48 | 48 | 48 | 210 | 48 | 20 | 5 | 5 | 5 | 5 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
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.
Nearest