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) - 3.5ft (1.0m), 7s period with SSW swell.
- Evening surf: Evening surf (13 Sep, local time) - 4ft (1.2m), 8s period with S swell.
The current surf forecast for Itaipu at 9AM is: 0.4m 10s primary swell from a South direction and 0.6m 5s secondary swell from a South-southwest direction (forecast issued at 02:00am September 13). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.4m) | 10s |
| Afternoon (13 Sep) | 3.5ft (1.0m) | 7s |
| Evening (13 Sep) | 4ft (1.2m) | 8s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Tue night. Warm (max 20°C on Sun morning, min 18°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||||||||||
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) | S 11 | S 11 | S 10 | S 10 | SSW 6 | SSW 7 | SSW 8 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 7 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSW 11 | S 11 | S 11 | S 10 | S 10 | S 10 | SSW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 56 | 35 | 33 | 31 | 52 | 114 | 192 | 191 | 217 | 169 | 160 | 169 | 172 | 208 | 199 | 153 | 146 | 161 | 151 | 149 | 171 | 125 | 192 | 189 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | cross | cross | cross | cross-off | cross-off | cross-off | off | glassy | off | glassy | off | cross-on | on | cross-off | cross-on | on | on | on | on | on |
High Tide | 4:54PM0.85m | 5:06AM0.99m | 5:12PM0.86m | 5:52AM1.00m | 5:20PM0.89m | |||||||||||||||||||
Low Tide | 9:47AM0.08m | 10:02PM0.09m | 10:35AM0.11m | 10:51PM0.02m | 11:23AM0.12m | |||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | |  |  | | | | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — |
mm | — | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 2 | 3 | — | 2 | — | — | — | — | — | 3 | 4 |
Temp °C | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 20 | 19 | 19 | 19 | 20 | 20 | 20 | 19 | 19 |
Feels °C | 21 | 21 | 20 | 21 | 20 | 20 | 18 | 18 | 18 | 19 | 17 | 20 | 20 | 21 | 19 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | SSW 5 | SSW 6 | SSW 7 | SSW 8 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 7 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | S 11 | S 11 | S 10 | S 10 | S 10 | SSW 9 |
| kJ | 56 | 35 | 33 | 17 | 52 | 114 | 192 | 191 | 217 | 169 | 160 | 169 | 172 | 208 | 199 | 153 | 146 | 96 | 151 | 149 | 171 | 125 | 192 | 189 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | ESE 8 | S 10 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | S 13 | S 13 | S 12 | S 12 | S 12 | SSW 11 | SSE 8 | SSE 7 | SE 8 | SSE 8 | SE 8 | SE 8 |
| kJ | 11 | 11 | 13 | 31 | 25 | 25 | 24 | 23 | 23 | 24 | 24 | 24 | 85 | 83 | 71 | 102 | 102 | 161 | 76 | 64 | 60 | 64 | 104 | 93 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | ESE 11 | SE 11 | ESE 8 | S 10 | SSW 9 | S 9 | S 15 | S 14 | S 14 | S 14 | S 13 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 8 | ESE 7 |
| kJ | 12 | 11 | 5 | 24 | 29 | 29 | 6 | 5 | 4 | 16 | 35 | 55 | 24 | 23 | 22 | 22 | 21 | 17 | 57 | 43 | 37 | 42 | 67 | 55 |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 5 | — | — | — | — | — | E 8 | — | — | E 5 | E 5 | E 5 | E 5 | — | — | — | — | — | — | SSW 3 | — | — |
| kJ | 7 | 12 | 14 | — | — | — | — | — | 113 | — | — | 29 | 38 | 43 | 36 | — | — | — | — | — | — | 4 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 110 | 133 | 23 | 34 | 34 | 12 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 20 | 0 | 48 | 102 | 102 | 102 | 102 | 110 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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