
Surf Forecasts:
How big are the waves at Itaipu today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 2.5ft (0.8m), 9s period with S swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 3.5ft (1.0m), 10s period with S swell.
- Evening surf: Evening surf (17 Sep, local time) - 2.5ft (0.8m), 9s period with S swell.
The current surf forecast for Itaipu at 4PM is: 0.9m 10s primary swell from a South direction and 0.3m 7s secondary swell from a Southeast direction, 0.8m 4s secondary swell from a East-southeast direction (forecast issued at 08:00am September 17). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 2.5ft (0.8m) | 9s |
| Afternoon (17 Sep) | 3.5ft (1.0m) | 10s |
| Evening (17 Sep) | 2.5ft (0.8m) | 9s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Warm (max 21°C on Sat morning, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||
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) | SSE 9 | S 9 | S 11 | S 10 | S 10 | S 9 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
Wave Graph | ||||||||||||||||||||||
169 | 108 | 235 | 210 | 120 | 113 | 64 | 63 | 119 | 116 | 112 | 104 | 107 | 158 | 219 | 173 | 149 | 132 | 128 | 145 | 176 | 225 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross-off | glassy | cross | cross-on | cross-on | cross | cross |
High Tide | 5:23AM0.97m | 5:00PM0.92m | 6:08AM0.84m | 5:30PM0.83m | 1:00AM0.48m | 7:30AM0.73m | 12:47PM0.80m | 6:28PM0.72m | ||||||||||||||
Low Tide | 10:29AM0.56m | 10:54PM0.36m | 10:09AM0.65m | 11:07PM0.47m | 1:45AM0.48m | 9:19AM0.72m | 4:27PM0.70m | |||||||||||||||
6:00 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | |
— | — | — | 5:59 | — | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 20 | 20 |
Feels °C | 17 | 17 | 17 | 17 | 16 | 17 | 18 | 18 | 18 | 19 | 21 | 21 | 21 | 19 | 20 | 20 | 21 | 21 | 22 | 22 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | S 9 | S 11 | S 10 | S 10 | S 9 | S 9 | S 9 | S 11 | ESE 5 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | SSE 9 | S 9 |
169 | 108 | 235 | 210 | 120 | 113 | 56 | 56 | 119 | 39 | 112 | 104 | 100 | 73 | 71 | 49 | 47 | 45 | 29 | 28 | 28 | 15 | |
Swell 2 Height (m) Direction Period (s) | SSE 14 | S 13 | ESE 7 | SE 7 | SSE 12 | SSE 12 | S 11 | S 11 | ESE 10 | S 11 | ESE 9 | SE 10 | — | — | — | — | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 |
36 | 85 | 5 | 8 | 46 | 29 | 64 | 63 | 9 | 116 | 9 | 4 | — | — | — | — | 4 | 4 | 4 | 4 | 14 | 13 | |
Swell 3 Height (m) Direction Period (s) | SE 7 | SE 8 | SE 10 | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | — |
8 | 16 | 4 | — | 10 | 10 | 9 | 9 | — | 9 | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | — | ESE 5 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
— | 6 | 9 | 16 | 23 | 32 | 29 | 33 | 36 | — | 42 | 57 | 107 | 158 | 219 | 173 | 149 | 132 | 128 | 145 | 176 | 225 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 5 | 6 | 6 | 6 | 68 | 52 | 5 | 0 | 0 | 0 | 10 | 6 | 6 | 6 | 6 | 0 | 0 | 6 | 6 | 6 | 6 | 6 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||
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)











