Surf Forecasts:
How big are the waves at Itaipu today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 1.5ft (0.4m), 4s period with SW swell.
- 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 7AM is: 0.1m 10s primary swell from a Southeast direction and 0.3m 4s secondary swell from a Southwest direction (forecast issued at 02:00am August 31). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 1.5ft (0.4m) | 4s |
| 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 23mm), heaviest during Tue night. Warm (max 24°C on Mon night, min 17°C on Wed night). Winds decreasing (fresh winds from the WSW on Tue morning, calm by Wed night). | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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 | 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 5 | SW 4 | SW 4 | SW 4 | SW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | S 8 | S 8 | SW 6 | SW 6 | SSW 6 | SW 6 | SSW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 12 | 5 | 4 | 4 | 5 | 5 | 9 | 6 | 7 | 9 | 15 | 18 | 18 | 45 | 56 | 47 | 38 | 24 | 45 | 85 | 117 | 113 | 88 | 96 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on |
High Tide | 5:19AM0.98m | 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 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:42 | — | — |
mm | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 13 | 4 | 1 | 1 | 1 | 1 | — | — |
Temp °C | 21 | 21 | 21 | 21 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 20 |
Feels °C | 22 | 24 | 24 | 24 | 25 | 24 | 24 | 25 | 27 | 26 | 24 | 18 | 21 | 22 | 25 | 24 | 19 | 21 | 17 | 17 | 16 | 17 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SW 6 | ESE 8 | ESE 5 | ESE 8 | E 8 | E 8 | E 9 | SW 6 | SW 6 | SSW 6 | SW 6 | SSW 6 | ESE 9 | ESE 9 | SSW 6 | ESE 9 | SSW 6 | SSW 7 |
| kJ | 51 | 36 | 51 | 50 | 34 | 33 | 9 | 21 | 13 | 77 | 78 | 90 | 101 | 45 | 56 | 47 | 38 | 24 | 25 | 25 | 117 | 25 | 88 | 96 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SW 4 | SW 4 | SW 4 | SW 6 | SW 6 | S 4 | SSW 6 | ESE 8 | SSW 7 | SSW 7 | S 8 | S 8 | E 9 | E 9 | E 9 | E 9 | ESE 9 | SSE 7 | SSE 9 | ESE 9 | S 10 | ESE 9 | ESE 9 |
| kJ | 9 | 5 | 3 | 4 | 5 | 5 | 1 | 6 | 20 | 9 | 15 | 18 | 18 | 79 | 59 | 41 | 40 | 26 | 4 | 8 | 25 | 2 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | — | SE 9 | SE 10 | SE 10 | S 4 | S 9 | S 9 | S 9 | SSW 6 | — | S 8 | — | — | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 9 | — | SE 9 | SE 9 | SE 9 | S 11 |
| kJ | — | 3 | 4 | 4 | 1 | 2 | 2 | 2 | 7 | — | 1 | — | — | 17 | 10 | 9 | 5 | 5 | 8 | — | 3 | 3 | 3 | 23 |
Wind waves Height (m) Direction Period (s) | SW 5 | — | — | — | — | SSE 4 | E 8 | ESE 4 | E 5 | — | — | W 3 | WSW 4 | — | — | — | — | — | SW 6 | SW 6 | — | SSW 6 | — | — |
| kJ | 12 | — | — | — | — | 1 | 46 | 9 | 56 | — | — | 6 | 13 | — | — | — | — | — | 45 | 85 | — | 113 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 23 | 23 | 43 | 43 | 43 | 193 | 43 | 20 | 23 | 17 | 106 | 48 | 102 | 48 | 43 | 20 | 203 | 184 | 203 | 605 | 731 | 210 | 133 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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