Surf Forecasts:
How big are the waves at Itaipu today (31 Oct):
- Morning surf: Morning surf (31 Oct, local time) - 2.5ft (0.8m), 11s period with S swell.
- Afternoon surf: Afternoon surf (31 Oct, local time) - 3.5ft (1.0m), 11s period with S swell.
- Evening surf: Evening surf (31 Oct, local time) - 2.5ft (0.7m), 10s period with S swell.
The current surf forecast for Itaipu at 12AM is: 0.8m 12s primary swell from a South direction and 0.4m 7s secondary swell from a Southeast direction, 1.0m 6s secondary swell from a Southwest direction (forecast issued at 08:00pm October 30). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Oct) | 2.5ft (0.8m) | 11s |
| Afternoon (31 Oct) | 3.5ft (1.0m) | 11s |
| Evening (31 Oct) | 2.5ft (0.7m) | 10s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Mon afternoon. Warm (max 25°C on Mon morning, min 21°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 30 | Saturday 31 | Sunday 1 | ||||||||||||||||
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 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 215 | 187 | 180 | 180 | 174 | 155 | 191 | 231 | 110 | 106 | 98 | 69 | 69 | 68 | 66 | 66 | 65 | 61 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:25PM0.91m | 7:25AM0.93m | 5:10PM0.92m | 8:36AM0.88m | 6:02PM0.93m | |||||||||||||
Low Tide | 00:07AM-0.10m | 12:40PM0.33m | 1:02AM-0.06m | 1:32PM0.36m | ||||||||||||||
 |  | | | | | |  | | |  |  | | | |  |  |  | |
 | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 1 |
Temp °C | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 22 | 21 | 21 | 23 | 24 | 24 | 22 | 21 |
Feels °C | 22 | 22 | 22 | 21 | 22 | 23 | 22 | 24 | 25 | 26 | 24 | 23 | 23 | 24 | 23 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | SW 6 | S 12 | S 11 | S 11 | S 11 | SSE 7 | SSE 7 | SE 7 | SE 7 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 |
| kJ | 215 | 187 | 180 | 62 | 174 | 155 | 191 | 231 | 71 | 53 | 46 | 35 | 69 | 68 | 66 | 66 | 65 | 61 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 7 | SE 7 | S 12 | SW 6 | SW 5 | ESE 7 | SW 5 | S 11 | S 10 | S 10 | S 10 | SE 6 | SE 6 | E 8 | S 15 | S 15 | S 15 |
| kJ | 28 | 19 | 19 | 180 | 36 | 21 | 9 | 5 | 110 | 106 | 98 | 69 | 33 | 25 | 1 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | E 6 | E 7 | E 7 | SE 7 | SE 7 | SE 7 | SE 10 | ESE 7 | E 7 | E 7 | SW 5 | SW 5 | S 16 | E 9 | — | — | — | — |
| kJ | 12 | 8 | 8 | 17 | 13 | 12 | 4 | 5 | 3 | 4 | 1 | 1 | 5 | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 6 | — | WSW 5 | WSW 5 | SW 5 | — | — | — | — | — | — | — | SE 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 9 | 16 | 58 | — | 64 | 32 | 11 | — | — | — | — | — | — | — | 44 | 88 | 117 | 107 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 48 | 20 | 48 | 20 | 20 | 48 | 102 | 102 | 34 | 0 | 0 | 0 | 0 | 0 | 34 | 90 | 43 | 5 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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