Surf Forecasts:
How big are the waves at Itaipu today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2.5ft (0.8m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 2.5ft (0.7m), 8s period with ESE swell.
- Evening surf: Evening surf (21 Sep, local time) - 2ft (0.6m), 8s period with ESE swell.
The current surf forecast for Itaipu at 3AM is: 0.8m 8s primary swell from a East-southeast direction and 0.1m 12s secondary swell from a South direction (forecast issued at 08:00pm September 20). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2.5ft (0.8m) | 8s |
| Afternoon (21 Sep) | 2.5ft (0.7m) | 8s |
| Evening (21 Sep) | 2ft (0.6m) | 8s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 34mm), heaviest during Wed morning. Warm (max 35°C on Mon afternoon, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 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) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | S 6 | S 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 116 | 75 | 73 | 73 | 73 | 75 | 217 | 56 | 48 | 47 | 33 | 33 | 33 | 35 | 36 | 38 | 38 | 55 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | off | cross | cross | cross | on | cross-on | on |
High Tide | 00:11AM0.75m | 1:04PM1.00m | 00:28AM0.89m | 1:20PM1.09m | ||||||||||||||
Low Tide | 5:42PM0.60m | 5:32AM0.32m | 6:20PM0.48m | 6:19AM0.20m | 6:52PM0.38m | |||||||||||||
 |  |  |  |  | | | | | | | |  | | |  | |  | |
 | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 2 |
Temp °C | 27 | 26 | 24 | 24 | 24 | 28 | 33 | 35 | 32 | 28 | 26 | 26 | 21 | 22 | 22 | 21 | 20 | 19 |
Feels °C | 27 | 27 | 25 | 25 | 25 | 28 | 33 | 35 | 31 | 28 | 25 | 26 | 20 | 24 | 24 | 23 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | S 5 | ESE 8 | S 7 |
| kJ | 116 | 75 | 73 | 73 | 73 | 75 | 75 | 56 | 48 | 47 | 33 | 33 | 33 | 35 | 36 | 16 | 38 | 55 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | N 3 | S 9 | ESE 8 | S 12 | ESE 8 |
| kJ | 11 | 11 | 11 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 38 | 3 | 39 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 14 | — | S 12 | S 12 | S 9 | SE 13 | S 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 3 | 3 | 2 | 7 | 3 |
Wind waves Height (m) Direction Period (s) | — | N 3 | NNE 4 | N 2 | — | — | E 8 | — | — | — | N 2 | N 3 | N 3 | SW 4 | SSW 4 | SSW 5 | S 6 | — |
| kJ | — | 3 | 1 | 1 | — | — | 217 | — | — | — | 1 | 3 | 5 | 10 | 15 | 19 | 31 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 7 | 7 | 7 | 7 | 7 | 0 | 7 | 7 | 13 | 14 | 14 | 96 | 13 | 10 | 10 | 68 | 50 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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