Surf Forecasts:
How big are the waves at Itaipu today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 3ft (0.9m), 10s period with S swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 2.5ft (0.8m), 10s period with S swell.
- Evening surf: Evening surf (19 Sep, local time) - 2.5ft (0.7m), 9s period with S swell.
The current surf forecast for Itaipu at 10AM is: 0.9m 10s primary swell from a South direction (forecast issued at 02:00am September 19). An open ocean swell of 0.2m 10s is not directed at the surf break, a second open ocean swell of 1.1m 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 (19 Sep) | 3ft (0.9m) | 10s |
| Afternoon (19 Sep) | 2.5ft (0.8m) | 10s |
| Evening (19 Sep) | 2.5ft (0.7m) | 9s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun night. Warm (max 32°C on Mon afternoon, min 18°C on Sat night). Winds decreasing (strong winds from the N on Sun night, light winds from the N by Mon night). | ||||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
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 10 | S 9 | S 9 | S 9 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 202 | 198 | 158 | 153 | 118 | 113 | 83 | 81 | 58 | 51 | 50 | 50 | 103 | 69 | 68 | 44 | 43 | 25 | 25 | 24 | 24 | 10 | 9 | 9 |
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 | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 8:12AM0.96m | 7:29PM0.96m | 8:48AM0.93m | 8:13PM0.96m | 9:32AM0.90m | 8:59PM0.96m | ||||||||||||||||||
Low Tide | 2:05AM-0.09m | 2:32PM0.16m | 2:55AM-0.07m | 3:22PM0.18m | 3:47AM-0.06m | 4:13PM0.20m | ||||||||||||||||||
 | |  |  | | |  |  | | | | | | | |  | | |  | | | | | | |
 | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — |
Temp °C | 19 | 18 | 18 | 20 | 23 | 23 | 20 | 19 | 19 | 18 | 18 | 21 | 26 | 27 | 26 | 24 | 22 | 21 | 23 | 24 | 29 | 32 | 28 | 27 |
Feels °C | 17 | 16 | 17 | 19 | 21 | 20 | 17 | 17 | 17 | 17 | 17 | 21 | 26 | 27 | 27 | 26 | 22 | 17 | 21 | 24 | 29 | 33 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | E 7 | E 7 | E 7 | ESE 7 | ESE 8 | ESE 8 | E 8 | E 8 | ESE 8 | ESE 7 | ESE 7 | E 8 | E 8 | E 8 |
| kJ | 202 | 198 | 158 | 153 | 118 | 113 | 83 | 81 | 58 | 41 | 161 | 176 | 155 | 164 | 173 | 207 | 168 | 115 | 75 | 73 | 57 | 74 | 58 | 43 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 10 | ESE 10 | ESE 10 | S 15 | S 15 | S 14 | S 13 | S 13 | S 13 | S 9 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 |
| kJ | 16 | 9 | 9 | 9 | 4 | 4 | 15 | 32 | 32 | 51 | 40 | 50 | 103 | 69 | 68 | 44 | 43 | 25 | 25 | 24 | 24 | 10 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 15 | S 15 | — | — | — | SE 11 | SE 12 | S 13 | S 9 | — | S 14 | SE 14 | SE 14 | SE 14 | S 14 | SE 14 | — | — | WNW 3 | — | — |
| kJ | — | — | — | 5 | 4 | — | — | — | 5 | 5 | 50 | 25 | — | 4 | 7 | 7 | 7 | 4 | 7 | — | — | 1 | — | — |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | E 7 | — | — | — | E 8 | — | E 8 | E 8 | N 3 | NNE 3 | NW 3 | NNW 3 | — | E 8 | E 8 |
| kJ | 87 | 69 | 72 | 69 | 83 | 135 | 170 | 176 | 166 | 152 | — | — | — | 454 | — | 466 | 323 | 2 | 2 | 2 | 1 | — | 146 | 142 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 43 | 12 | 0 | 5 | 43 | 172 | 172 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 43 | 17 | 17 | 17 | 17 | 12 | 23 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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