Surf Forecasts:
How big are the waves at Itaipu today (29 Sep):
- 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 8PM is: 0.6m 11s primary swell from a South direction (forecast issued at 02:00pm September 29). An open ocean swell of 1.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | - | - |
| 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 ForecastModerate rain (total 12mm), heaviest on Tue night. Warm (max 29°C on Wed morning, min 21°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | ||||||||||||||||||
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 10 | S 9 | S 9 | S 11 | S 11 | S 9 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 65 | 41 | 81 | 88 | 40 | 36 | 65 | 95 | 64 | 58 | 81 | 83 | 55 | 55 | 40 | 65 | 64 | 64 | 63 | 61 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | on |
High Tide | 4:57PM0.87m | 5:55AM1.06m | 5:00PM0.87m | 6:41AM1.05m | 5:25PM0.88m | |||||||||||||||
Low Tide | 10:48AM0.06m | 11:01PM-0.04m | 11:37AM0.11m | 11:49PM-0.08m | 12:26PM0.16m | |||||||||||||||
 | |  | |  | | | | | |  | |  | |  | |  |  | |  | |
 | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | 1 | 2 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 2 | 1 |
Temp °C | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 28 | 29 | 24 | 22 | 22 | 22 | 22 | 21 | 22 | 22 | 22 | 22 | 22 |
Feels °C | 27 | 24 | 25 | 24 | 28 | 27 | 25 | 30 | 31 | 24 | 21 | 25 | 24 | 24 | 23 | 24 | 24 | 23 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | S 11 | S 11 | S 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 65 | 41 | 81 | 141 | 125 | 111 | 94 | 91 | 75 | 58 | 44 | 83 | 55 | 55 | 40 | 65 | 64 | 64 | 63 | 61 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | S 9 | S 11 | S 9 | S 9 | S 12 | S 12 | S 11 | S 11 | S 11 | E 8 | E 7 | SSE 10 | S 10 | S 10 | SW 4 | S 10 | SSW 4 | S 5 |
| kJ | 41 | 41 | 42 | 88 | 24 | 36 | 65 | 95 | 64 | 58 | 81 | 29 | 28 | 41 | 33 | 33 | 4 | 18 | 6 | 11 |
Swell 3 Height (m) Direction Period (s) | — | — | S 11 | — | S 11 | S 13 | S 8 | S 8 | S 8 | S 8 | SSE 12 | SSE 12 | SSE 10 | ESE 7 | SW 4 | ESE 7 | S 10 | ESE 7 | ESE 7 | ESE 7 |
| kJ | — | — | 40 | — | 40 | 28 | 22 | 5 | 12 | 5 | 29 | 15 | 19 | 18 | 7 | 18 | 32 | 10 | 10 | 9 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 6 | — | E 7 | E 7 | — | — | — | — | SW 3 | WSW 3 | WSW 4 | WSW 4 | WSW 4 | SW 4 | — | SSW 4 | — | — |
| kJ | 58 | 94 | 117 | — | 315 | 235 | — | — | — | — | 2 | 4 | 7 | 8 | 8 | 6 | — | 3 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 34 | 172 | 12 | 0 | 0 | 0 | 0 | 0 | 34 | 48 | 48 | 5 | 48 | 20 | 48 | 102 | 48 | 121 | 102 | 43 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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