Surf Forecasts:
How big are the waves at Itaipu today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 2.5ft (0.8m), 10s period with S swell.
- 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 7AM is: 0.8m 10s primary swell from a South direction (forecast issued at 02:00am September 29). An open ocean swell of 0.9m 6s is not directed at the surf break, a second open ocean swell of 1.3m 6s 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) | 2.5ft (0.8m) | 10s |
| 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 15mm), heaviest on Thu night. Warm (max 32°C on Wed morning, min 21°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | ||||||||||||||||||||||
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 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 11 | S 9 | 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 | 130 | 125 | 122 | 120 | 65 | 41 | 40 | 88 | 40 | 36 | 44 | 67 | 64 | 58 | 56 | 85 | 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 | off | cross-off | cross-off | cross-off | cross-off | off | off | glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross | on | on | on | cross-on | on | cross-on | cross-on | glassy |
High Tide | 5:08AM1.05m | 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 | |||||||||||||||||||
 |  |  |  | | |  |  | | | | | | |  | | | |  | | |  |  | | |
 | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 2 | 1 |
Temp °C | 22 | 21 | 22 | 23 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 28 | 32 | 25 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
Feels °C | 24 | 23 | 25 | 25 | 26 | 25 | 26 | 28 | 28 | 28 | 27 | 29 | 34 | 25 | 22 | 26 | 26 | 24 | 23 | 24 | 23 | 23 | 22 | 25 |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | ESE 6 | ESE 6 | S 10 | S 9 | S 9 | ESE 7 | ESE 7 | ESE 7 | E 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | S 11 | E 7 | E 7 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 5 |
| kJ | 77 | 71 | 65 | 65 | 65 | 41 | 40 | 168 | 125 | 111 | 109 | 91 | 75 | 58 | 72 | 85 | 28 | 26 | 40 | 65 | 64 | 64 | 63 | 24 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 12 | S 11 | S 11 | S 11 | S 9 | S 9 | S 12 | S 12 | S 11 | S 11 | S 11 | E 7 | S 11 | S 11 | S 10 | S 10 | SSW 4 | ESE 7 | ESE 7 | SSE 10 |
| kJ | 130 | 125 | 122 | 120 | 41 | 41 | 40 | 88 | 38 | 36 | 44 | 67 | 64 | 58 | 56 | 40 | 55 | 55 | 33 | 33 | 7 | 10 | 10 | 61 |
Swell 3 Height (m) Direction Period (s) | — | — | S 12 | — | — | — | S 11 | S 11 | S 11 | S 13 | S 8 | S 8 | S 8 | S 8 | SSE 12 | SSE 12 | SSE 10 | SSE 10 | ESE 7 | ESE 7 | S 10 | S 10 | S 10 | E 7 |
| kJ | — | — | 45 | — | — | — | 40 | 40 | 40 | 28 | 22 | 5 | 12 | 5 | 15 | 15 | 19 | 41 | 17 | 18 | 32 | 18 | 17 | 8 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 6 | E 6 | ESE 6 | ESE 6 | ESE 6 | E 7 | E 7 | — | — | — | — | — | WSW 3 | WSW 3 | WSW 4 | SW 4 | SW 4 | SW 4 | — | SSW 4 | S 5 | — |
| kJ | 131 | 135 | 130 | 108 | 58 | 94 | 117 | 302 | 295 | — | — | — | — | — | 3 | 4 | 6 | 9 | 9 | 6 | — | 7 | 18 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 34 | 172 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 115 | 121 | 5 | 48 | 48 | 102 | 48 | 102 | 121 | 102 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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