Surf Forecasts:
How big are the waves at Itaipu today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2ft (0.6m), 12s period with S swell.
- Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.4m), 12s period with S swell.
The current surf forecast for Itaipu at 10PM is: 0.4m 12s primary swell from a South direction (forecast issued at 02:00pm September 20). An open ocean swell of 1.3m 7s is not directed at the surf break, a second open ocean swell of 2.0m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 2ft (0.6m) | 12s |
| Evening (20 Sep) | 1.5ft (0.4m) | 12s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Tue night. Warm (max 32°C on Mon afternoon, min 20°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||
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 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 12 | WSW 4 | WSW 4 | SW 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 103 | 100 | 68 | 43 | 43 | 25 | 25 | 24 | 24 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 3 | 16 | 22 | 37 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross-on | on | cross-on | on |
High Tide | 8:13PM0.96m | 9:32AM0.90m | 8:59PM0.96m | 10:36AM0.88m | ||||||||||||||||
Low Tide | 3:22PM0.18m | 3:47AM-0.06m | 4:13PM0.20m | 4:40AM-0.04m | 5:06PM0.21m | |||||||||||||||
 | |  | |  | |  |  | | | | | | | |  | | |  | | |
 | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — |
mm | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 |
Temp °C | 26 | 26 | 26 | 24 | 21 | 20 | 21 | 24 | 30 | 32 | 31 | 29 | 27 | 25 | 25 | 24 | 24 | 23 | 21 | 21 |
Feels °C | 27 | 25 | 25 | 25 | 23 | 23 | 19 | 25 | 30 | 33 | 30 | 28 | 27 | 24 | 24 | 23 | 22 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | S 12 | ESE 7 | ESE 7 | E 7 | ESE 7 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 9 | E 8 | E 8 |
| kJ | 108 | 111 | 68 | 186 | 191 | 112 | 91 | 90 | 72 | 60 | 60 | 79 | 81 | 104 | 107 | 88 | 92 | 73 | 71 | 52 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 14 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 103 | 100 | 4 | 43 | 43 | 25 | 25 | 24 | 24 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 2 | 2 | 2 | 9 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 14 | — | SE 14 | SE 14 | SE 14 | S 14 | — | — | NNW 3 | — | — | — | — | S 14 | — | S 12 | S 12 | S 12 | S 10 |
| kJ | 2 | 4 | — | 7 | 7 | 7 | 4 | — | — | 1 | — | — | — | — | 4 | — | 3 | 3 | 3 | 8 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 8 | — | — | — | — | NNW 3 | — | E 8 | E 8 | — | — | — | — | — | WSW 4 | WSW 4 | SW 6 |
| kJ | 260 | 269 | 127 | 441 | — | — | — | — | 3 | — | 167 | 235 | — | — | — | — | — | 16 | 22 | 37 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 12 | 17 | 0 | 0 | 17 | 20 | 17 | 17 | 17 | 12 | 12 | 17 | 17 | 17 | 48 | 133 | 133 | 43 | 48 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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