
Surf Forecasts:
How big are the waves at Itaipu today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 2ft (0.6m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2ft (0.6m), 10s period with SE swell.
- Evening surf: Evening surf (18 Jul, local time) - 1.5ft (0.4m), 9s period with SE swell.
The current surf forecast for Itaipu at 2PM is: 0.6m 10s primary swell from a Southeast direction (forecast issued at 08:00am July 18). An open ocean swell of 0.6m 7s is not directed at the surf break, a second open ocean swell of 0.9m 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 (18 Jul) | 2ft (0.6m) | 10s |
| Afternoon (18 Jul) | 2ft (0.6m) | 10s |
| Evening (18 Jul) | 1.5ft (0.4m) | 9s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Mon morning, min 19°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||
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) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | S 18 | SE 9 | SE 9 | S 16 | S 16 | S 15 | S 15 | S 15 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 |
Wave Graph | ||||||||||||||||||||||
96 | 79 | 60 | 59 | 58 | 31 | 25 | 30 | 30 | 46 | 20 | 17 | 38 | 38 | 14 | 31 | 31 | 14 | 12 | 11 | 11 | 11 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 3:34AM0.93m | 7:14PM0.82m | 5:21AM0.91m | 7:51PM0.85m | 7:34AM0.93m | 8:22PM0.88m | ||||||||||||||||
Low Tide | 11:28AM0.06m | 11:46PM0.30m | 12:24PM0.09m | 00:44AM0.21m | 1:18PM0.10m | |||||||||||||||||
6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | |
— | — | — | 5:23 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 25 | 25 | 25 | 24 | 22 | 21 | 21 | 21 | 26 | 26 | 26 | 24 | 22 | 21 | 21 | 21 | 27 | 27 | 27 | 25 |
Feels °C | 17 | 17 | 25 | 23 | 24 | 22 | 20 | 20 | 20 | 20 | 26 | 24 | 25 | 22 | 21 | 19 | 19 | 20 | 27 | 25 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 8 | E 7 | E 8 | E 8 | E 8 | E 8 | ESE 8 | E 8 | E 8 | ESE 7 | ESE 7 | E 8 | E 8 | E 8 | E 8 | E 8 |
47 | 51 | 38 | 37 | 37 | 71 | 147 | 112 | 90 | 74 | 55 | 55 | 75 | 138 | 138 | 91 | 91 | 72 | 55 | 55 | 55 | 72 | |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | S 18 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | S 15 | S 15 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 |
96 | 79 | 60 | 59 | 58 | 31 | 25 | 30 | 30 | 22 | 21 | 21 | 38 | 38 | 14 | 31 | 31 | 14 | 12 | 11 | 11 | 11 | |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 13 | S 16 | S 16 | S 16 | S 15 | SE 9 | — | — | — | — | — | — | S 15 | S 15 | S 15 |
20 | 20 | 18 | 17 | 17 | 16 | 14 | 14 | 21 | 46 | 20 | 17 | 13 | — | — | — | — | — | — | 4 | 4 | 4 | |
Wind waves Height (m) Direction Period (s) | — | N 2 | — | E 7 | E 7 | E 7 | E 8 | E 7 | — | — | — | E 8 | — | E 8 | E 8 | E 7 | — | — | — | E 8 | E 8 | E 7 |
— | 1 | — | 82 | 102 | 242 | 358 | 277 | — | — | — | 163 | — | 358 | 323 | 277 | — | — | — | 133 | 133 | 279 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 1 | 0 | 1 | 17 | 12 | 0 | 12 | 12 | 12 | 17 | 17 | 17 | 12 | 12 | 12 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)











