Surf Forecasts:
How big are the waves at Itaipu today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 1ft (0.3m), 6s period with SW swell.
- Evening surf: Evening surf (31 Aug, local time) - 1ft (0.3m), 6s period with SSW swell.
The current surf forecast for Itaipu at 7PM is: 0.4m 6s primary swell from a Southwest direction (forecast issued at 02:00pm August 31). An open ocean swell of 0.5m 8s is not directed at the surf break, a second open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 1ft (0.3m) | 6s |
| Evening (31 Aug) | 1ft (0.3m) | 6s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Tue night. Warm (max 25°C on Mon afternoon, min 17°C on Wed night). Winds increasing (calm on Mon afternoon, fresh winds from the WSW by Tue night). | ||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||
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) | SW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 7 | S 7 | S 8 | S 8 | S 8 | S 7 | SW 5 | SW 5 | SW 5 | SW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | S 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 5 | 5 | 9 | 6 | 7 | 9 | 15 | 30 | 28 | 29 | 27 | 17 | 25 | 57 | 38 | 87 | 110 | 173 | 220 | 229 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | off | off | cross-off | cross-on | on | on | cross-on | on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross |
High Tide | 6:17PM0.90m | 6:16AM1.02m | 6:41PM0.90m | 7:07AM1.04m | 6:52PM0.90m | |||||||||||||||
Low Tide | 11:15AM0.01m | 11:34PM0.08m | 12:07PM0.03m | 00:24AM0.01m | 12:58PM0.06m | |||||||||||||||
 |  |  | |  |  | |  | |  |  |  |  | | | | |  | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | 5:40 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:42 | — | — |
mm | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 3 | 13 | 3 | 2 | 1 | 1 | — | — | — |
Temp °C | 22 | 24 | 25 | 24 | 24 | 24 | 23 | 22 | 22 | 21 | 22 | 20 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 20 |
Feels °C | 24 | 25 | 28 | 26 | 26 | 26 | 24 | 23 | 21 | 22 | 22 | 21 | 20 | 17 | 16 | 18 | 18 | 17 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | SW 5 | SW 5 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSW 7 | S 8 |
| kJ | 34 | 48 | 45 | 21 | 62 | 96 | 98 | 90 | 101 | 79 | 59 | 59 | 25 | 30 | 26 | 26 | 26 | 15 | 220 | 229 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 7 | S 7 | S 8 | S 8 | S 8 | S 7 | SW 5 | E 9 | ESE 9 | SSE 7 | SE 9 | SE 9 | — | ESE 9 | E 9 |
| kJ | 5 | 5 | 9 | 6 | 7 | 9 | 15 | 30 | 28 | 29 | 27 | 17 | 40 | 26 | 5 | 3 | 3 | — | 15 | 14 |
Swell 3 Height (m) Direction Period (s) | S 4 | S 4 | S 4 | S 9 | SSW 6 | — | S 8 | — | — | SW 4 | — | SSE 7 | SSE 7 | SSE 7 | SE 9 | — | — | — | — | S 11 |
| kJ | 1 | 1 | 1 | 2 | 7 | — | 6 | — | — | 9 | — | 16 | 9 | 4 | 3 | — | — | — | — | 63 |
Wind waves Height (m) Direction Period (s) | — | E 8 | ENE 2 | E 4 | ENE 7 | — | — | WSW 2 | SW 3 | — | SW 5 | — | — | SW 5 | SW 6 | SSW 6 | SSW 6 | SSW 7 | — | — |
| kJ | — | 58 | 1 | 8 | 214 | — | — | 2 | 6 | — | 18 | — | — | 57 | 38 | 87 | 110 | 173 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 90 | 17 | 17 | 43 | 12 | 17 | 48 | 48 | 48 | 102 | 110 | 24 | 20 | 203 | 184 | 210 | 210 | 210 | 121 | 34 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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