Surf Forecasts:
How big are the waves at Itaipu today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.0m), 10s period with S swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 2.5ft (0.7m), 12s period with S swell.
- Evening surf: Evening surf (16 Sep, local time) - 4.5ft (1.4m), 12s period with S swell.
The current surf forecast for Itaipu at 3AM is: 1.1m 9s primary swell from a South direction and 0.9m 6s secondary swell from a Southwest direction (forecast issued at 08:00pm September 15). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3.5ft (1.0m) | 10s |
| Afternoon (16 Sep) | 2.5ft (0.7m) | 12s |
| Evening (16 Sep) | 4.5ft (1.4m) | 12s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Warm (max 20°C on Tue night, min 18°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||
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 | S 9 | S 9 | S 9 | S 9 | S 10 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 9 | S 10 | S 10 | S 12 | S 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 148 | 140 | 132 | 199 | 185 | 208 | 121 | 145 | 407 | 544 | 594 | 534 | 505 | 357 | 354 | 362 | 749 | 585 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:20PM0.89m | 6:33AM1.00m | 5:39PM0.92m | 7:09AM0.99m | 6:11PM0.94m | |||||||||||||
Low Tide | 11:40PM-0.04m | 12:10PM0.13m | 00:28AM-0.07m | 12:57PM0.14m | ||||||||||||||
 |  |  | |  |  | | | | |  | | | | | | | | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — |
mm | — | — | 2 | 1 | 1 | — | 1 | 1 | 1 | 1 | — | 1 | — | — | — | — | — | 1 |
Temp °C | 20 | 20 | 19 | 19 | 18 | 19 | 19 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 18 | 18 |
Feels °C | 19 | 21 | 20 | 20 | 17 | 19 | 20 | 21 | 19 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 12 | S 12 | S 12 | S 11 | S 11 | S 9 | S 10 | S 10 | S 12 | S 11 |
| kJ | 148 | 140 | 132 | 199 | 185 | 208 | 94 | 122 | 407 | 544 | 594 | 534 | 505 | 357 | 354 | 362 | 749 | 585 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SW 6 | SW 6 | SE 8 | SE 8 | SE 8 | S 13 | S 12 | SE 8 | SE 8 | ESE 10 | S 15 | S 15 | S 14 | S 13 | S 13 | ESE 8 | ESE 9 |
| kJ | 44 | 31 | 33 | 59 | 60 | 31 | 121 | 145 | 53 | 24 | 40 | 107 | 150 | 191 | 173 | 264 | 28 | 29 |
Swell 3 Height (m) Direction Period (s) | ESE 8 | SSE 8 | SE 8 | SW 6 | SE 12 | ESE 8 | SSW 6 | SE 8 | ESE 11 | ESE 8 | SE 8 | ESE 7 | ESE 10 | ESE 10 | ESE 8 | ESE 8 | — | — |
| kJ | 23 | 44 | 28 | 25 | 6 | 37 | 19 | 29 | 12 | 22 | 15 | 19 | 38 | 38 | 26 | 28 | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | SW 6 | SW 6 | — | — | — | — | — | — | SE 9 | — | — | — | — | E 6 | ESE 9 | ESE 4 |
| kJ | 34 | 47 | 43 | 44 | — | — | — | — | — | — | 19 | — | — | — | — | 1 | 146 | 52 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 20 | 48 | 5 | 12 | 102 | 20 | 12 | 12 | 34 | 121 | 56 | 0 | 0 | 0 | 12 | 12 | 12 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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