- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Itaipu surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 pm Thursday 21 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
22.7° C
(Which is normal for this time of year)How big are the waves at Itaipu today?
The current surf forecast for Itaipu at 9PM is: 1.9m 14s primary swell from a South-southeast direction (forecast issued at 02:00pm May 21). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 5.5ft (1.7m) | 16s |
| Evening (21 May) | 6ft (1.9m) | 14s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 68mm), heaviest during Sat afternoon. Very mild (max 19°C on Thu afternoon, min 18°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | S 14 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | S 13 | S 12 | SSE 12 | S 12 | SSE 12 | |
1315 | 1455 | 1480 | 1533 | 1491 | 1307 | 990 | 1455 | 1400 | 1152 | 1121 | 1106 | 966 | 988 | 826 | 671 | 632 | 599 | 522 | 334 | 309 | 240 | 289 | 232 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | glassy | glassy | on | cross-on | cross-on | cross-on | cross | glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross | glassy | glassy | cross-on | |
High Tide | 6:20PM0.88m | 10:54PM0.79m | 5:28AM0.93m | 7:28PM0.81m | 11:42PM0.81m | 6:29AM0.88m | 11:55PM0.82m | 7:58AM0.85m | ||||||||||||||||
Low Tide | 12:30PM0.26m | 9:38PM0.79m | 1:43AM0.74m | 1:53PM0.32m | 9:26PM0.78m | 2:54AM0.73m | 3:10PM0.35m | 3:57AM0.66m | ||||||||||||||||
 |  |  |  | | | | | | | | | |  | | |  |  |  | | | | | | |
 | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:37 | — |
 | — | 5:28 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | — | 5:27 |
1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | — | — | — | 8 | 17 | 13 | 10 | 2 | 2 | 2 | 1 | |
Temp °C | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 |
19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 21 | 21 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | S 14 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | S 13 | S 12 | SSE 12 | S 12 | SSE 12 |
 kJ | 1315 | 1455 | 1480 | 1533 | 1491 | 1307 | 990 | 1455 | 1400 | 1152 | 1121 | 1106 | 966 | 988 | 826 | 671 | 632 | 599 | 522 | 334 | 309 | 240 | 289 | 232 |
Swell 2 Height (m) Direction Period (s) | E 8 | — | — | — | — | SSE 18 | SSE 18 | E 8 | — | — | — | — | — | — | E 9 | E 4 | E 4 | E 8 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 |
| kJ | 5 | — | — | — | — | 180 | 318 | 5 | — | — | — | — | — | — | 6 | 6 | 6 | 1 | 36 | 31 | 26 | 23 | 23 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 8 | E 8 | — | — | — | SSW 3 | E 7 | E 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | — | — | — | 1 | 44 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 4 | E 4 | ENE 4 | ENE 4 | — | — | — | — | WSW 3 | WSW 3 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 18 | 18 | 14 | — | — | — | — | 3 | 4 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 152 | 52 | 57 | 10 | 6 | 6 | 0 | 0 | 10 | 10 | 6 | 6 | 5 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 12 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
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