Surf Forecasts:
How big are the waves at Itaipu today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.4m), 9s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.4m), 6s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.1m), 7s period with S swell.
The current surf forecast for Itaipu at 3AM is: 0.3m 9s primary swell from a South direction and 0.4m 4s secondary swell from a East-southeast direction (forecast issued at 08:00pm August 20). The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.4m) | 9s |
| Afternoon (21 Aug) | 4.5ft (1.4m) | 6s |
| Evening (21 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun afternoon. Warm (max 26°C on Thu night, min 18°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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 11 | S 10 | S 10 | S 9 | S 9 | SSW 9 | S 4 | S 6 | SSW 7 | S 7 | S 7 | S 8 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 |
Wave Graph | ||||||||||||||||||
10 | 18 | 17 | 16 | 15 | 26 | 30 | 161 | 270 | 120 | 71 | 133 | 302 | 396 | 381 | 353 | 290 | 250 | |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | off | off | off | off | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:14PM0.81m | 8:16AM0.74m | 1:00PM0.78m | 7:09PM0.72m | 1:11PM0.89m | |||||||||||||
Low Tide | 2:36AM0.48m | 9:44AM0.73m | 4:47PM0.69m | 4:46AM0.44m | 6:14PM0.60m | |||||||||||||
— | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | |
— | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 25 | 26 | 26 | 26 | 24 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 18 | 18 |
Feels °C | 22 | 25 | 25 | 25 | 25 | 23 | 17 | 18 | 19 | 18 | 19 | 18 | 17 | 18 | 18 | 18 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 4 | ESE 4 | ESE 5 | E 7 | ESE 7 | S 6 | S 7 | S 7 | S 7 | S 8 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 |
10 | 16 | 6 | 7 | 8 | 24 | 30 | 71 | 113 | 120 | 71 | 133 | 302 | 396 | 381 | 353 | 290 | 250 | |
Swell 2 Height (m) Direction Period (s) | SSW 5 | S 10 | S 10 | S 9 | S 9 | — | S 15 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 7 | E 7 | E 7 |
2 | 18 | 17 | 16 | 15 | — | 4 | 32 | 32 | 19 | 19 | 12 | 11 | 6 | 6 | 4 | 1 | 1 | |
Swell 3 Height (m) Direction Period (s) | S 11 | SSW 5 | ESE 7 | ESE 7 | ESE 7 | S 15 | — | S 8 | — | S 14 | S 11 | — | — | — | — | — | — | — |
9 | 2 | 9 | 9 | 9 | 4 | — | 1 | — | 4 | 3 | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | ESE 2 | E 4 | — | — | — | SSW 9 | S 4 | S 6 | SSW 7 | — | — | — | — | — | — | — | — | — |
1 | 4 | — | — | — | 26 | 30 | 161 | 270 | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 23 | 13 | 14 | 14 | 14 | 43 | 279 | 379 | 427 | 47 | 10 | 10 | 6 | 10 | 10 | 10 | 6 | 6 |
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)











