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) - 2.5ft (0.7m), 10s period with S swell.
The current surf forecast for Itaipu at 2PM is: 0.8m 10s primary swell from a South direction and 0.4m 3s secondary swell from a Southwest direction (forecast issued at 08:00am July 30). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| 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) | 2.5ft (0.7m) | 10s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 16°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||||||||
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 11 | S 11 | S 11 | SSW 10 | S 10 | S 10 | SSW 10 | S 10 | S 10 | S 10 | S 9 | S 10 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 119 | 116 | 114 | 177 | 204 | 98 | 167 | 158 | 94 | 90 | 41 | 65 | 88 | 121 | 117 | 196 | 233 | 225 | 221 | 157 | 146 | 146 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | on | cross-on | cross-on | glassy | glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 4:16PM0.84m | 1:49AM0.96m | 5:21PM0.86m | 2:54AM0.93m | 6:15PM0.88m | |||||||||||||||||
Low Tide | 8:47AM-0.03m | 9:10PM0.27m | 9:42AM-0.01m | 10:06PM0.27m | 10:39AM0.00m | |||||||||||||||||
 |  |  | | | | |  | | | | | | | | | | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — |
 | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 22 | 22 | 21 | 19 | 19 | 17 | 16 | 17 | 21 | 24 | 22 | 20 |
Feels °C | 23 | 22 | 22 | 20 | 22 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 19 | 17 | 17 | 16 | 15 | 17 | 20 | 22 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | SSW 10 | S 10 | S 10 | SSW 10 | S 10 | S 10 | S 10 | S 6 | S 10 | S 10 | S 13 | S 13 | ESE 5 | S 12 | S 12 | S 12 | S 11 | S 11 | ESE 6 |
| kJ | 119 | 116 | 114 | 177 | 204 | 98 | 167 | 158 | 94 | 90 | 24 | 65 | 65 | 121 | 117 | 51 | 233 | 225 | 221 | 157 | 146 | 104 |
Swell 2 Height (m) Direction Period (s) | SW 5 | SSW 4 | E 7 | E 7 | E 7 | SSW 7 | E 7 | S 15 | S 6 | S 6 | S 9 | S 6 | S 6 | S 9 | S 9 | S 12 | ESE 5 | ESE 5 | ESE 5 | — | E 10 | S 11 |
| kJ | 10 | 7 | 4 | 4 | 4 | 41 | 4 | 18 | 18 | 18 | 41 | 24 | 17 | 64 | 61 | 196 | 27 | 20 | 15 | — | 2 | 146 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 7 | SE 8 | SE 8 | SE 8 | E 7 | SE 8 | E 7 | S 15 | S 15 | S 11 | S 14 | S 13 | — | E 9 | — | E 10 | E 10 | E 10 | — | — | — |
| kJ | 4 | 4 | 3 | 3 | 3 | 4 | 2 | 4 | 17 | 38 | 36 | 59 | 88 | — | 6 | — | 7 | 2 | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSW 4 | SSW 3 | — | — | — | — | — | — | — | E 7 | ESE 4 | SE 5 | ESE 5 | ESE 5 | NE 3 | E 5 | E 5 | ESE 5 | ESE 6 | — |
| kJ | — | — | 7 | 2 | — | — | — | — | — | — | — | 10 | 11 | 60 | 58 | 46 | 2 | 53 | 19 | 42 | 87 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 48 | 48 | 250 | 121 | 43 | 0 | 0 | 0 | 0 | 0 | 100 | 43 | 43 | 0 | 0 | 0 | 0 | 0 | 43 | 172 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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