Surf Forecasts:
How big are the waves at Itaipu today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 4ft (1.2m), 10s period with S swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 4.5ft (1.3m), 11s period with SSE swell.
- Evening surf: Evening surf (21 Oct, local time) - 4ft (1.2m), 11s period with S swell.
The current surf forecast for Itaipu at 3AM is: 1.3m 10s primary swell from a South direction (forecast issued at 08:00pm October 20). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 4ft (1.2m) | 10s |
| Afternoon (21 Oct) | 4.5ft (1.3m) | 11s |
| Evening (21 Oct) | 4ft (1.2m) | 11s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 25°C on Fri afternoon, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 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 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 461 | 394 | 331 | 325 | 318 | 273 | 360 | 407 | 332 | 332 | 314 | 302 | 296 | 250 | 250 | 260 | 260 | 265 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:41PM0.92m | 11:47AM0.90m | 9:48PM0.92m | 12:47PM0.93m | ||||||||||||||
Low Tide | 3:53PM0.22m | 4:21AM-0.01m | 4:48PM0.20m | 5:16AM-0.02m | 5:42PM0.16m | |||||||||||||
 | | | |  | |  | |  | | | | | |  | | | | |
 | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 20 | 20 | 19 | 20 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 23 | 22 | 21 |
Feels °C | 20 | 20 | 20 | 20 | 18 | 20 | 21 | 20 | 19 | 19 | 19 | 20 | 20 | 21 | 23 | 22 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 461 | 394 | 331 | 325 | 318 | 273 | 360 | 407 | 332 | 332 | 314 | 302 | 296 | 250 | 250 | 260 | 260 | 265 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | S 18 | S 18 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 33 | 21 | 16 | 15 | 15 | 14 | 14 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | S 20 | S 20 | S 20 | S 20 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 |
| kJ | — | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 2 | — | — | ESE 8 | ESE 4 | ESE 4 | ESE 5 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 5 | ESE 5 |
| kJ | — | — | — | — | 1 | — | — | 7 | 21 | 26 | 27 | 23 | 16 | 16 | 16 | 20 | 29 | 42 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 34 | 34 | 34 | 12 | 0 | 0 | 0 | 0 | 13 | 12 | 5 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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