Surf Forecasts:
How big are the waves at Itaipu today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 2.5ft (0.7m), 11s period with S swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 3ft (0.9m), 10s period with SSW swell.
- Evening surf: Evening surf (30 Jul, local time) - 3ft (0.9m), 10s period with SSW swell.
The current surf forecast for Itaipu at 2AM is: 0.7m 12s primary swell from a South direction and 0.5m 4s secondary swell from a Southwest direction (forecast issued at 08:00pm July 29). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 2.5ft (0.7m) | 11s |
| Afternoon (30 Jul) | 3ft (0.9m) | 10s |
| Evening (30 Jul) | 3ft (0.9m) | 10s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wed 29 | Thursday 30 | Friday 31 | ||||||||||||||||
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 11 | S 12 | S 12 | S 11 | S 11 | S 11 | SSW 10 | S 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 10 | S 10 | S 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 139 | 127 | 132 | 130 | 119 | 116 | 149 | 177 | 204 | 167 | 161 | 158 | 154 | 92 | 78 | 115 | 115 | 121 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | cross-on | cross-on | on | cross-on | cross-on | cross | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:54AM0.98m | 4:16PM0.84m | 1:49AM0.96m | 5:21PM0.86m | ||||||||||||||
Low Tide | 8:17PM0.25m | 8:47AM-0.03m | 9:10PM0.27m | 9:42AM-0.01m | ||||||||||||||
 |  | | | |  | |  | | |  | | | | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 22 | 23 | 23 | 21 | 21 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 22 | 21 | 21 | 20 |
Feels °C | 29 | 21 | 22 | 23 | 22 | 23 | 23 | 22 | 22 | 23 | 22 | 22 | 21 | 20 | 21 | 19 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 11 | S 12 | S 12 | S 11 | S 11 | S 11 | E 7 | S 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 10 | S 10 | S 9 |
| kJ | 139 | 127 | 132 | 130 | 119 | 116 | 149 | 4 | 204 | 167 | 161 | 158 | 154 | 92 | 78 | 115 | 115 | 64 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | SW 4 | SW 5 | SW 5 | SSW 4 | SW 4 | SE 8 | E 7 | E 7 | E 7 | S 15 | S 15 | S 5 | S 11 | S 14 | S 13 | S 13 |
| kJ | 8 | 8 | 12 | 10 | 10 | 7 | 5 | 3 | 4 | 4 | 4 | 18 | 17 | 14 | 36 | 59 | 88 | 121 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | E 7 | E 7 | E 7 | E 7 | E 7 | SE 8 | SE 8 | SE 8 | SE 8 | E 7 | E 7 | S 15 | S 14 | SE 8 | SE 8 | S 5 |
| kJ | 9 | 9 | 8 | 4 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 4 | 4 | 38 | 64 | 2 | 2 | 9 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | — | — | — | — | — | SSW 10 | — | — | — | — | — | — | — | ESE 3 | ESE 4 | ESE 4 |
| kJ | — | 5 | — | — | — | — | — | 177 | — | — | — | — | — | — | — | 3 | 11 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 19 | 20 | 5 | 0 | 110 | 110 | 110 | 735 | 102 | 19 | 0 | 0 | 0 | 0 | 34 | 34 | 34 | 43 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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