Surf Forecasts:
How big are the waves at Itaipu today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 2.5ft (0.7m), 10s period with S swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2ft (0.6m), 10s period with S swell.
- Evening surf: Evening surf (31 Jul, local time) - 2ft (0.6m), 13s period with S swell.
The current surf forecast for Itaipu at 3PM is: 0.6m 10s primary swell from a South direction and 0.6m 6s secondary swell from a South direction (forecast issued at 02:00am July 31). An open ocean swell of 0.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 2.5ft (0.7m) | 10s |
| Afternoon (31 Jul) | 2ft (0.6m) | 10s |
| Evening (31 Jul) | 2ft (0.6m) | 13s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sun afternoon, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||||||
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 | 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 | SSW 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 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 204 | 163 | 94 | 92 | 41 | 65 | 88 | 121 | 117 | 247 | 233 | 278 | 221 | 199 | 146 | 146 | 110 | 108 | 78 | 50 | 48 | 30 | 30 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 5:21PM0.86m | 2:54AM0.93m | 6:15PM0.88m | 4:17AM0.92m | 7:01PM0.91m | |||||||||||||||||||
Low Tide | 9:42AM-0.01m | 10:06PM0.27m | 10:39AM0.00m | 11:04PM0.24m | 11:36AM0.01m | |||||||||||||||||||
 | |  |  |  | |  | | | | | | | | | | | | | | | | | | |
 | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — |
 | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 21 | 22 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 18 | 22 | 24 | 22 | 20 | 19 | 19 | 18 | 20 | 25 | 26 | 25 | 24 |
Feels °C | 22 | 22 | 22 | 22 | 23 | 20 | 18 | 18 | 18 | 17 | 17 | 18 | 21 | 21 | 20 | 19 | 18 | 18 | 17 | 19 | 25 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | S 10 | SSW 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 | S 11 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | E 7 |
| kJ | 204 | 163 | 94 | 92 | 24 | 65 | 65 | 121 | 117 | 42 | 233 | 278 | 221 | 199 | 146 | 146 | 112 | 62 | 51 | 40 | 43 | 47 | 62 | 94 |
Swell 2 Height (m) Direction Period (s) | E 7 | S 15 | SSW 6 | S 6 | S 9 | S 6 | S 13 | S 9 | S 9 | S 12 | ESE 5 | E 5 | SE 6 | — | SE 10 | E 10 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 4 | 18 | 20 | 24 | 41 | 24 | 88 | 62 | 61 | 247 | 26 | 12 | 27 | — | 4 | 2 | 110 | 108 | 78 | 50 | 48 | 30 | 30 | 17 |
Swell 3 Height (m) Direction Period (s) | SE 8 | E 7 | S 15 | S 15 | S 11 | S 14 | S 6 | — | E 9 | — | — | E 10 | E 10 | — | — | — | — | S 7 | E 9 | S 9 | S 9 | — | — | SSE 8 |
| kJ | 2 | 4 | 17 | 38 | 36 | 59 | 17 | — | 2 | — | — | 8 | 2 | — | — | — | — | 1 | 2 | 2 | 2 | — | — | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | ESE 7 | ESE 4 | SE 5 | SE 5 | ESE 5 | — | E 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | — | E 6 | E 6 | E 6 | E 7 | E 7 | — | E 7 |
| kJ | — | — | — | — | — | 11 | 20 | 60 | 53 | 32 | — | 10 | 28 | 49 | 122 | 130 | — | 156 | 130 | 98 | 88 | 113 | — | 210 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 0 | 5 | 34 | 0 | 34 | 90 | 34 | 0 | 0 | 0 | 0 | 0 | 172 | 172 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 17 | 12 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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