Surf Forecasts:
How big are the waves at Itaipu today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 1.5ft (0.5m), 10s period with S swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 1.5ft (0.4m), 10s period with SSE swell.
- Evening surf: Evening surf (18 Aug, local time) - 1ft (0.3m), 9s period with S swell.
The current surf forecast for Itaipu at 1AM is: 0.7m 10s primary swell from a South direction (forecast issued at 08:00pm August 17). An open ocean swell of 1.3m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 1.5ft (0.5m) | 10s |
| Afternoon (18 Aug) | 1.5ft (0.4m) | 10s |
| Evening (18 Aug) | 1ft (0.3m) | 9s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Wed morning, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||
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 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | SE 13 | SE 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 143 | 106 | 102 | 75 | 73 | 50 | 49 | 31 | 29 | 16 | 7 | 15 | 7 | 7 | 7 | 2 | 7 | 7 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off |
High Tide | 6:50PM0.87m | 7:13AM0.98m | 7:08PM0.90m | 8:00AM0.99m | 7:24PM0.93m | |||||||||||||
Low Tide | 00:15AM0.08m | 12:46PM0.11m | 1:06AM-0.00m | 1:34PM0.11m | ||||||||||||||
 | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 22 | 20 | 20 | 20 | 22 | 26 | 26 | 26 | 26 | 24 | 23 | 23 | 24 | 27 | 27 | 26 | 26 |
Feels °C | 22 | 21 | 20 | 20 | 20 | 22 | 26 | 25 | 25 | 27 | 25 | 23 | 23 | 23 | 27 | 26 | 25 | 27 |
Swell 1 Height (m) Direction Period (s) | S 11 | E 7 | ESE 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 |
| kJ | 143 | 225 | 176 | 120 | 100 | 84 | 65 | 67 | 67 | 103 | 106 | 84 | 67 | 49 | 49 | 49 | 36 | 41 |
Swell 2 Height (m) Direction Period (s) | SE 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | SE 13 | SE 13 |
| kJ | 5 | 106 | 102 | 75 | 73 | 50 | 49 | 31 | 29 | 16 | 7 | 15 | 7 | 7 | 7 | 2 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 11 | — | — | — | — | — | SE 8 | SE 8 | SE 9 | SSE 9 | SE 8 | SE 8 | SE 8 | S 10 | S 10 |
| kJ | — | — | — | 2 | — | — | — | — | — | 3 | 3 | 3 | 7 | 3 | 3 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | ESE 7 | E 7 | E 7 | E 7 | E 7 | — | E 7 | E 7 | E 7 | E 7 | — | — | — | — | — | — | E 7 | E 7 |
| kJ | 204 | 225 | 173 | 290 | 223 | — | 146 | 146 | 172 | 229 | — | — | — | — | — | — | 80 | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 12 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 12 | 12 | 17 | 17 | 17 | 17 | 44 | 34 | 17 | 17 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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