Surf Forecasts:
How big are the waves at Itaipu today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 1.5ft (0.4m), 10s period with S swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 3ft (0.9m), 7s period with SSW swell.
- Evening surf: Evening surf (13 Sep, local time) - 4.5ft (1.3m), 8s period with S swell.
The current surf forecast for Itaipu at 4AM is: 0.4m 10s primary swell from a South direction and 0.4m 4s secondary swell from a Southwest direction, 0.6m 5s secondary swell from a West-southwest direction (forecast issued at 08:00pm September 12). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.4m) | 10s |
| Afternoon (13 Sep) | 3ft (0.9m) | 7s |
| Evening (13 Sep) | 4.5ft (1.3m) | 8s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 46mm), heaviest during Mon morning. Warm (max 22°C on Sat night, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | ||||||||||||||||
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 11 | S 11 | S 10 | S 10 | SSW 6 | SSW 7 | S 8 | S 8 | SSE 6 | SSE 7 | S 7 | S 7 | S 7 | S 8 | S 8 | S 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 85 | 59 | 56 | 35 | 33 | 31 | 34 | 94 | 213 | 223 | 188 | 228 | 130 | 126 | 121 | 165 | 169 | 131 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | on | glassy |
High Tide | 4:26PM0.84m | 4:13AM0.96m | 4:54PM0.85m | 5:06AM0.99m | 5:12PM0.86m | |||||||||||||
Low Tide | 9:11PM0.17m | 9:47AM0.08m | 10:02PM0.09m | 10:35AM0.11m | ||||||||||||||
 |  | |  |  | |  | | | | | |  | |  |  | | | |
 | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — |
mm | — | — | — | 1 | 1 | 1 | — | 1 | 1 | 2 | 1 | 4 | 7 | 4 | 16 | 3 | — | — |
Temp °C | 27 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 |
Feels °C | 29 | 22 | 23 | 22 | 23 | 22 | 21 | 21 | 19 | 17 | 19 | 19 | 20 | 20 | 20 | 20 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 10 | SW 5 | SSW 6 | SSW 7 | S 8 | S 8 | SSE 6 | SSE 7 | S 7 | S 7 | S 7 | S 8 | S 8 | S 8 |
| kJ | 85 | 59 | 56 | 35 | 33 | 11 | 34 | 94 | 213 | 223 | 188 | 228 | 130 | 126 | 121 | 165 | 169 | 131 |
Swell 2 Height (m) Direction Period (s) | SW 5 | E 8 | SSW 4 | SW 4 | SW 5 | S 10 | S 10 | ESE 8 | E 8 | S 15 | ESE 8 | ESE 8 | E 8 | E 8 | ESE 6 | ESE 6 | ESE 6 | ESE 6 |
| kJ | 9 | 11 | 8 | 5 | 8 | 31 | 29 | 24 | 36 | 5 | 22 | 22 | 33 | 33 | 53 | 55 | 39 | 57 |
Swell 3 Height (m) Direction Period (s) | E 8 | SE 11 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 9 | S 9 | S 9 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 |
| kJ | 11 | 5 | 11 | 11 | 22 | 23 | 25 | 27 | 6 | 4 | 4 | 16 | 35 | 55 | 55 | 83 | 72 | 102 |
Wind waves Height (m) Direction Period (s) | — | SW 5 | — | WSW 5 | — | — | — | — | — | ESE 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | E 6 | — | — | E 7 |
| kJ | — | 11 | — | 14 | — | — | — | — | — | 50 | 39 | 112 | 31 | 40 | 120 | — | — | 124 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 5 | 34 | 23 | 108 | 110 | 23 | 34 | 34 | 12 | 34 | 12 | 0 | 0 | 0 | 0 | 0 | 12 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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