Surf Forecasts:
How big are the waves at Itaipu today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 2.5ft (0.8m), 10s period with S swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 1.5ft (0.5m), 9s period with S swell.
- Evening surf: Evening surf (29 Sep, local time) - 2ft (0.6m), 11s period with S swell.
The current surf forecast for Itaipu at 4AM is: 0.8m 10s primary swell from a South direction (forecast issued at 08:00pm September 28). An open ocean swell of 0.9m 6s is not directed at the surf break, a second open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 2.5ft (0.8m) | 10s |
| Afternoon (29 Sep) | 1.5ft (0.5m) | 9s |
| Evening (29 Sep) | 2ft (0.6m) | 11s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Thu afternoon. Warm (max 33°C on Wed morning, min 21°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||
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 11 | S 10 | S 10 | S 10 | S 10 | S 11 | S 9 | S 9 | S 11 | S 9 | S 9 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 119 | 110 | 130 | 125 | 122 | 120 | 63 | 41 | 40 | 88 | 40 | 36 | 44 | 67 | 92 | 58 | 55 | 56 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | glassy | glassy | off | cross-off | cross-off | cross-off | off | cross-off | off | glassy | off | glassy | cross-on | cross-on | cross-on |
High Tide | 4:49PM0.88m | 5:08AM1.05m | 4:57PM0.87m | 5:55AM1.06m | 5:00PM0.87m | |||||||||||||
Low Tide | 10:13PM0.01m | 10:48AM0.06m | 11:01PM-0.04m | 11:37AM0.11m | ||||||||||||||
 |  |  |  |  |  | | | |  | |  | | | | | | | |
 | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 |
Temp °C | 23 | 22 | 22 | 22 | 21 | 23 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 28 | 33 | 28 | 23 | 23 |
Feels °C | 23 | 22 | 25 | 26 | 24 | 26 | 26 | 25 | 27 | 26 | 26 | 27 | 27 | 31 | 35 | 28 | 23 | 26 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | SE 6 | SE 6 | ESE 6 | SE 6 | S 9 | S 9 | S 9 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 |
| kJ | 119 | 110 | 77 | 71 | 65 | 54 | 40 | 41 | 40 | 168 | 176 | 136 | 140 | 120 | 96 | 77 | 60 | 41 |
Swell 2 Height (m) Direction Period (s) | E 8 | ESE 8 | S 10 | S 10 | S 10 | S 10 | S 11 | S 11 | S 11 | S 11 | S 9 | S 9 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
| kJ | 5 | 6 | 130 | 125 | 122 | 120 | 63 | 41 | 40 | 88 | 37 | 36 | 44 | 67 | 92 | 58 | 55 | 56 |
Swell 3 Height (m) Direction Period (s) | S 8 | — | — | — | S 12 | — | — | — | — | — | S 11 | S 13 | S 8 | S 8 | S 8 | SE 13 | SSE 12 | SSE 12 |
| kJ | 1 | — | — | — | 45 | — | — | — | — | — | 40 | 28 | 22 | 5 | 5 | 7 | 15 | 28 |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 5 | ESE 6 | ESE 6 | E 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | — | E 7 | E 7 | — | — | — | — | SW 3 | WSW 3 |
| kJ | 31 | 57 | 131 | 117 | 108 | 95 | 58 | 77 | 107 | — | 378 | 348 | — | — | — | — | 4 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 34 | 34 | 0 | 0 | 0 | 0 | 34 | 186 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 48 | 20 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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