Surf Forecasts:
How big are the waves at Itaipu today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.1m), 10s period with SSW 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) - 3ft (0.9m), 12s period with S swell.
The current surf forecast for Itaipu at 4PM is: 0.9m 12s primary swell from a South direction and 0.6m 10s secondary swell from a South direction, 0.7m 6s secondary swell from a South-southwest direction (forecast issued at 08:00am September 16). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3.5ft (1.1m) | 10s |
| Afternoon (16 Sep) | 2.5ft (0.7m) | 12s |
| Evening (16 Sep) | 3ft (0.9m) | 12s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed morning. Warm (max 20°C on Wed morning, min 18°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||
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 9 | SSW 10 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 9 | S 9 | S 10 | S 13 | S 11 | S 11 | S 10 | S 10 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 181 | 276 | 121 | 145 | 477 | 225 | 319 | 524 | 367 | 320 | 363 | 822 | 736 | 596 | 377 | 392 | 434 | 338 | 338 | 279 | 274 | 264 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:33AM1.00m | 5:39PM0.92m | 7:09AM0.99m | 6:11PM0.94m | 7:41AM0.98m | 6:49PM0.95m | ||||||||||||||||
Low Tide | 12:10PM0.13m | 00:28AM-0.07m | 12:57PM0.14m | 1:16AM-0.09m | 1:44PM0.15m | |||||||||||||||||
 |  | |  |  | | | | | | | | | | |  | | | | | | | |
 | 5:48 | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 20 | 20 | 19 | 19 |
Feels °C | 20 | 20 | 19 | 19 | 17 | 17 | 18 | 17 | 17 | 17 | 17 | 16 | 17 | 16 | 17 | 17 | 17 | 17 | 18 | 17 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 10 | SSW 6 | S 12 | S 12 | S 7 | S 7 | S 11 | S 9 | S 9 | S 10 | S 13 | S 11 | S 11 | S 10 | S 10 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 |
| kJ | 181 | 125 | 24 | 145 | 477 | 126 | 120 | 524 | 367 | 320 | 363 | 822 | 736 | 596 | 377 | 392 | 434 | 338 | 338 | 279 | 274 | 264 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SSW 6 | S 10 | S 10 | SE 8 | S 12 | S 12 | S 15 | S 15 | S 14 | S 13 | ESE 9 | ESE 9 | ESE 9 | S 12 | ESE 9 | ESE 8 | SE 5 | ESE 8 | — | — | — |
| kJ | 32 | 27 | 94 | 68 | 24 | 225 | 319 | 155 | 150 | 191 | 173 | 29 | 29 | 29 | 138 | 29 | 28 | 30 | 27 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | S 13 | SSE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 8 | ESE 10 | ESE 10 | ESE 9 | ESE 8 | SE 8 | — | ESE 9 | S 12 | — | ESE 8 | — | — | — | — |
| kJ | 29 | 31 | 121 | 39 | 22 | 26 | 31 | 11 | 39 | 38 | 29 | 40 | 2 | — | 30 | 47 | — | 27 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SSW 10 | — | SSW 6 | S 7 | S 7 | — | — | — | — | — | — | — | E 4 | E 4 | ESE 5 | ESE 5 | — | ESE 6 | ESE 5 | ESE 6 | ESE 6 |
| kJ | 44 | 276 | — | 35 | 142 | 181 | — | — | — | — | — | — | — | 14 | 19 | 37 | 43 | — | 47 | 83 | 108 | 111 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 20 | 102 | 102 | 121 | 121 | 121 | 34 | 12 | 0 | 0 | 12 | 12 | 12 | 5 | 0 | 0 | 0 | 0 | 12 | 172 | 172 | 172 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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