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Surf Forecasts:
Itaipu surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Wednesday 17 Sep 2025 -03
How big are the waves at Itaipu today?
The current surf forecast for Itaipu at 12AM is: 1.4m 12s primary swell from a Southeast direction and 0.4m 5s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 17). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | - | - |
| Evening (18 Sep) | 3.5ft (1.1m) | 12s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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) (?) | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 10 | 11 | 9 | 8 | 8 | 10 | 10 | 8 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 315 | 324 | 497 | 648 | 626 | 579 | 558 | 428 | 341 | 338 | 286 | 244 | 187 | 123 | 100 | 80 | 64 | 45 | 82 | 55 | 112 | 148 | 106 | 99 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | glass | glass | cross | cross- on | cross- on | cross- on | cross- off | cross- off | off | glass | cross- on | on | cross- on | cross | cross | cross- off | cross | cross | glass | on | cross- on |
High Tide / height (m) | 12:40AM 0.90 | 1:49PM 1.12 | 1:02AM 1.04 | 1:59PM 1.16 | 1:28AM 1.17 | 2:13PM 1.19 | ||||||||||||||||||
Low Tide / height (m) | 7:09PM 0.50 | 6:58AM 0.13 | 7:31PM 0.42 | 7:33AM 0.05 | 7:53PM 0.34 | 8:03AM 0.01 | ||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:56 | - | - | - |
| Sunset | - | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - |
 |  | | |  | | | |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 20 | 19 | 19 | 21 | 22 | 22 | 21 | 21 | 20 | 20 | 19 | 21 | 22 | 21 | 20 | 20 | 21 | 20 | 20 | 24 | 24 | 24 |
| Feels °C (?) | 20 | 21 | 22 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 22 | 22 | 22 | 21 | 21 | 22 | 20 | 21 | 26 | 25 | 26 |
- Map Icons:
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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 São Paulo
Continuing clean conditions at Itaipu (calm at Santos wx 9 km from Itaipu). A 2.0m groundswell from the SSE
Actual: 55 min ago
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