Surf Forecasts:
How big are the waves at Itaipu today (18 Oct):
- Evening surf: Evening surf (18 Oct, local time) - 3ft (0.9m), 9s period with SE swell.
The current surf forecast for Itaipu at 12AM is: 0.9m 9s primary swell from a Southeast direction and 0.9m 6s secondary swell from a South-southwest direction (forecast issued at 08:00pm October 17). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | - | - |
| Afternoon (18 Oct) | - | - |
| Evening (18 Oct) | 3ft (0.9m) | 9s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Sun night. Warm (max 22°C on Sun morning, min 18°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Sat 17 | Sunday 18 | Monday 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) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 8 | SE 10 | SE 10 | SSW 12 | SSW 12 | S 11 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 145 | 123 | 126 | 126 | 91 | 107 | 188 | 190 | 703 | 921 | 1060 | 1200 | 1029 | 821 | 792 | 792 | 776 | 669 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | cross-off | glassy | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 6:00PM0.95m | 7:20AM0.92m | 6:49PM0.94m | 8:14AM0.90m | 7:43PM0.93m | |||||||||||||
Low Tide | 1:32AM-0.04m | 2:02PM0.22m | 2:27AM-0.02m | 2:57PM0.22m | ||||||||||||||
 |  |  | |  |  |  | | | | | |  | | | | | | |
 | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | 1 | — | — | — | — | 1 | 1 | 1 | 3 | 2 | 5 | 2 | 2 | 1 | 1 | — | — |
Temp °C | 22 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 20 | 20 | 20 | 19 | 19 | 20 | 20 | 20 | 20 |
Feels °C | 21 | 22 | 23 | 23 | 24 | 24 | 22 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 21 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 12 | SSW 12 | S 11 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | S 11 | S 11 |
| kJ | 145 | 123 | 126 | 88 | 91 | 107 | 116 | 190 | 703 | 921 | 1060 | 1200 | 1029 | 821 | 792 | 792 | 776 | 669 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSW 6 | SSW 6 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 |
| kJ | 9 | 43 | 61 | 126 | 88 | 77 | 188 | 177 | 150 | 128 | 84 | 84 | 54 | 54 | 53 | 52 | 29 | 28 |
Swell 3 Height (m) Direction Period (s) | SE 15 | SSE 10 | SSE 14 | SE 11 | SE 11 | SE 10 | SSE 13 | SSE 12 | SSE 13 | SSE 12 | SSE 11 | SE 12 | SSE 11 | SE 11 | SE 11 | S 11 | SSE 10 | SSE 10 |
| kJ | 9 | 18 | 21 | 29 | 57 | 89 | 32 | 31 | 33 | 14 | 13 | 6 | 12 | 5 | 5 | 2 | 11 | 10 |
Wind waves Height (m) Direction Period (s) | SSW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 37 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 133 | 43 | 0 | 0 | 0 | 12 | 34 | 34 | 34 | 34 | 121 | 121 | 121 | 121 | 121 | 110 | 43 | 12 |
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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