Surf Forecasts:
How big are the waves at Itaipu today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1ft (0.3m), 9s period with S swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 5ft (1.5m), 7s 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 9AM is: 0.3m 9s primary swell from a South direction and 0.3m 7s secondary swell from a East-southeast direction (forecast issued at 02:00am August 21). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1ft (0.3m) | 9s |
| Afternoon (21 Aug) | 5ft (1.5m) | 7s |
| Evening (21 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun night. Warm (max 26°C on Fri morning, min 17°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 5 | S 7 | SSW 7 | S 7 | S 7 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 11 | SSE 12 | S 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 17 | 16 | 15 | 14 | 34 | 200 | 387 | 126 | 71 | 183 | 326 | 396 | 374 | 290 | 296 | 302 | 296 | 250 | 245 | 245 | 250 | 229 | 337 | 386 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross | cross-on | cross-on | cross-on | on | glassy | on | cross-on | cross-on | on | on | cross-on | cross-on | cross | cross | glassy | glassy | on | on | on | on |
High Tide | 8:16AM0.74m | 1:00PM0.78m | 7:09PM0.72m | 1:11PM0.89m | 00:25AM0.73m | 1:28PM0.99m | ||||||||||||||||||
Low Tide | 2:36AM0.48m | 9:44AM0.73m | 4:47PM0.69m | 4:46AM0.44m | 6:14PM0.60m | 5:59AM0.33m | 6:54PM0.50m | |||||||||||||||||
 | | |  | | |  | | | |  | | | | | | | | | | | |  | | |
 | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — |
 | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 26 | 27 | 26 | 26 | 20 | 20 | 20 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 19 | 18 | 18 |
Feels °C | 25 | 26 | 25 | 25 | 17 | 19 | 19 | 19 | 18 | 17 | 17 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 20 | 19 | 18 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | ESE 4 | ESE 4 | ESE 5 | S 9 | ESE 7 | S 6 | S 7 | S 7 | S 7 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 11 | SSE 12 | S 13 |
| kJ | 6 | 6 | 7 | 14 | 30 | 88 | 150 | 126 | 71 | 183 | 326 | 396 | 374 | 290 | 296 | 302 | 296 | 250 | 245 | 245 | 250 | 229 | 337 | 386 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | ESE 7 | S 15 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | 17 | 16 | 15 | 9 | 4 | 31 | 19 | 19 | 12 | 12 | 12 | 6 | 6 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 4 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 5 | — | — | — | S 14 | S 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 7 |
| kJ | 9 | 9 | 9 | 4 | — | — | — | 4 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 5 | S 7 | SSW 7 | — | — | — | — | — | — | — | — | — | — | — | — | E 4 | — | E 4 | E 3 | ESE 4 |
| kJ | — | — | — | — | 34 | 200 | 387 | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | 2 | 4 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 279 | 379 | 41 | 4 | 7 | 10 | 6 | 6 | 10 | 10 | 6 | 6 | 5 | 5 | 0 | 0 | 190 | 87 | 73 | 73 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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