Surf Forecasts:
How big are the waves at Itaipu today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 7.5ft (2.3m), 13s period with S swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 7ft (2.2m), 13s period with SSE swell.
- Evening surf: Evening surf (15 Aug, local time) - 5ft (1.6m), 12s period with S swell.
The current surf forecast for Itaipu at 11AM is: 2.2m 13s primary swell from a South direction (forecast issued at 08:00am August 15). An open ocean swell of 0.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 7.5ft (2.3m) | 13s |
| Afternoon (15 Aug) | 7ft (2.2m) | 13s |
| Evening (15 Aug) | 5ft (1.6m) | 12s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Sat morning. Warm (max 27°C on Mon afternoon, min 18°C on Sun night). Winds decreasing (fresh winds from the E on Sun afternoon, light winds from the NE by Mon morning). | ||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||||||||
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 13 | S 13 | S 13 | SSE 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1894 | 1862 | 1682 | 1599 | 888 | 750 | 649 | 556 | 472 | 383 | 363 | 295 | 240 | 240 | 191 | 191 | 188 | 188 | 149 | 146 | 114 | 110 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 5:52PM0.82m | 5:07AM0.93m | 6:25PM0.84m | 6:20AM0.96m | 6:50PM0.87m | |||||||||||||||||
Low Tide | 10:12AM0.06m | 10:27PM0.25m | 11:05AM0.09m | 11:22PM0.17m | 11:56AM0.11m | |||||||||||||||||
 |  |  | |  |  | | | |  |  | |  | | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | — | — | 5:36 | — | — | — | — | — | — | — | 5:36 | — | — | — | — | — | — | — | 5:36 | — | — |
mm | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 20 | 24 | 24 | 21 | 19 | 19 | 19 | 18 | 20 | 25 | 27 | 24 | 22 |
Feels °C | 20 | 21 | 22 | 18 | 19 | 18 | 17 | 19 | 19 | 19 | 22 | 20 | 18 | 17 | 18 | 19 | 18 | 20 | 25 | 25 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | SSE 13 | S 12 | S 12 | S 12 | ESE 7 | ESE 7 | ESE 7 | S 11 | S 11 | S 11 | S 11 | S 11 | ESE 7 | ESE 7 | ESE 7 | S 11 | S 11 | S 11 | E 7 |
| kJ | 1894 | 1862 | 1682 | 1599 | 888 | 750 | 649 | 222 | 183 | 167 | 363 | 295 | 240 | 240 | 191 | 228 | 193 | 167 | 149 | 146 | 114 | 269 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 9 | ESE 9 | ESE 11 | — | ESE 11 | — | S 12 | S 12 | S 12 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | S 11 | S 11 | S 11 | SE 11 | SE 11 | E 11 | S 11 |
| kJ | 7 | 7 | 8 | 13 | — | 23 | — | 556 | 472 | 383 | 16 | 14 | 14 | 14 | 14 | 191 | 188 | 188 | 5 | 5 | 3 | 110 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ESE 13 | ESE 13 | — | — | — | — | — | ESE 12 | SE 12 | ESE 11 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 16 | 16 | — | — | — | — | — | 14 | 5 | 13 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | E 9 | ESE 7 | ESE 7 | ESE 7 | — | — | — | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | — | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | — |
| kJ | — | — | — | 7 | 250 | 325 | 263 | — | — | — | 162 | 212 | 312 | 294 | 268 | — | 429 | 388 | 160 | 222 | 284 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 12 | 5 | 0 | 0 | 19 | 34 | 43 | 43 | 43 | 12 | 5 | 12 | 13 | 172 | 172 | 2 | 0 | 0 | 0 | 0 | 0 | 12 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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