Surf Forecasts:
How big are the waves at Itaipu today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 3.5ft (1.1m), 12s period with S swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 3.5ft (1.1m), 12s period with S swell.
- Evening surf: Evening surf (10 Sep, local time) - 3.5ft (1.1m), 13s period with S swell.
The current surf forecast for Itaipu at 3AM is: 1.0m 13s primary swell from a South direction (forecast issued at 08:00pm September 09). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 3.5ft (1.1m) | 12s |
| Afternoon (10 Sep) | 3.5ft (1.1m) | 12s |
| Evening (10 Sep) | 3.5ft (1.1m) | 13s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 35mm), heaviest during Thu night. Warm (max 28°C on Fri night, min 21°C on Wed night). Winds increasing (calm on Thu afternoon, fresh winds from the WSW by Fri night). | ||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | ||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 10 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 13 | S 13 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 122 | 120 | 121 | 326 | 301 | 347 | 347 | 359 | 395 | 395 | 406 | 453 | 706 | 577 | 518 | 495 | 404 | 305 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | glassy | cross-off | cross-off | cross-off | glassy | cross-on | on | on | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off |
High Tide | 11:15PM0.96m | 3:06PM0.84m | 00:21AM0.94m | 3:50PM0.83m | ||||||||||||||
Low Tide | 6:38PM0.32m | 7:13AM-0.01m | 7:29PM0.29m | 8:05AM0.02m | 8:20PM0.24m | |||||||||||||
 | | |  |  |  | | |  | |  | |  |  | | |  | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — |
mm | 4 | 5 | 2 | — | — | — | — | — | 1 | 4 | 17 | 3 | 1 | — | — | — | — | — |
Temp °C | 20 | 21 | 22 | 22 | 22 | 23 | 25 | 27 | 25 | 22 | 21 | 21 | 22 | 23 | 25 | 26 | 24 | 28 |
Feels °C | 21 | 23 | 24 | 25 | 24 | 25 | 27 | 30 | 28 | 24 | 24 | 23 | 25 | 26 | 27 | 27 | 25 | 30 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | S 13 | S 12 | S 12 | S 12 | S 12 | S 13 | S 13 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 12 |
| kJ | 69 | 69 | 67 | 326 | 301 | 347 | 347 | 359 | 395 | 395 | 406 | 453 | 706 | 577 | 518 | 495 | 404 | 305 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | S 12 | S 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 122 | 120 | 90 | 48 | 48 | 49 | 52 | 40 | 41 | 42 | 224 | 177 | 29 | 29 | 43 | 44 | 44 | 44 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | S 17 | S 17 | E 8 | E 8 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 |
| kJ | 65 | 89 | 121 | 8 | 7 | 7 | 7 | 7 | 142 | 140 | 42 | 41 | 7 | 6 | 6 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | E 8 | E 8 | — | — | — | E 8 | E 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 90 | 90 | — | — | — | 120 | 100 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 78 | 12 | 0 | 0 | 0 | 19 | 12 | 12 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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