Surf Forecasts:
How big are the waves at Itaipu today (18 Oct):
- Afternoon surf: Afternoon surf (18 Oct, local time) - 4ft (1.2m), 8s period with SSW swell.
- Evening surf: Evening surf (18 Oct, local time) - 6ft (1.8m), 12s period with SSW swell.
The current surf forecast for Itaipu at 11PM is: 2.0m 12s primary swell from a South-southwest direction and 0.8m 9s secondary swell from a Southeast direction (forecast issued at 02:00pm October 18). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | - | - |
| Afternoon (18 Oct) | 4ft (1.2m) | 8s |
| Evening (18 Oct) | 6ft (1.8m) | 12s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sun night. Warm (max 23°C on Sun afternoon, min 18°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||
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) | SE 10 | SSW 8 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 11 | SSW 11 | SSW 11 | SSW 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 188 | 190 | 715 | 897 | 1102 | 1220 | 1136 | 1060 | 894 | 878 | 778 | 657 | 620 | 530 | 520 | 510 | 458 | 470 | 470 | 400 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-off | cross | cross-off | cross-off |
High Tide | 6:49PM0.94m | 8:14AM0.90m | 7:43PM0.93m | 10:13AM0.88m | 8:41PM0.92m | |||||||||||||||
Low Tide | 2:02PM0.22m | 2:27AM-0.02m | 2:57PM0.22m | 3:24AM-0.01m | 3:53PM0.22m | |||||||||||||||
 | |  |  | | |  | | | | | | | | |  | | | | | |
 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | — | — | 2 | 3 | 4 | 2 | 1 | 1 | 1 | — | — | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 23 | 23 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 18 | 18 | 18 | 19 | 20 | 20 | 20 |
Feels °C | 24 | 23 | 22 | 22 | 20 | 20 | 19 | 20 | 19 | 20 | 19 | 20 | 20 | 19 | 20 | 19 | 20 | 20 | 19 | 20 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 11 | SSW 11 | SSW 11 | SSW 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 116 | 190 | 715 | 897 | 1102 | 1220 | 1136 | 1060 | 894 | 878 | 778 | 657 | 620 | 530 | 520 | 510 | 458 | 470 | 470 | 400 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | SE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | SE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 |
| kJ | 188 | 154 | 150 | 106 | 101 | 83 | 54 | 54 | 53 | 37 | 29 | 28 | 27 | 27 | 18 | 39 | 38 | 36 | 32 | 32 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | SSE 12 | SSE 13 | SSE 12 | SE 12 | SSE 11 | SSE 11 | SE 11 | SE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | ESE 11 | SE 11 | — | — | — | — | S 20 |
| kJ | 32 | 31 | 33 | 14 | 6 | 12 | 12 | 5 | 5 | 11 | 11 | 10 | 10 | 11 | 18 | — | — | — | — | 8 |
Wind waves Height (m) Direction Period (s) | — | SSE 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 34 | 34 | 34 | 34 | 34 | 34 | 121 | 121 | 110 | 45 | 43 | 5 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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