Surf Forecasts:
How big are the waves at Itaipu today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 6ft (1.8m), 14s period with S swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 5ft (1.6m), 13s period with S swell.
- Evening surf: Evening surf (25 Sep, local time) - 4.5ft (1.3m), 13s period with S swell.
The current surf forecast for Itaipu at 5AM is: 1.9m 13s primary swell from a South direction (forecast issued at 08:00pm September 24). An open ocean swell of 0.6m 10s is not directed at the surf break, a second open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 6ft (1.8m) | 14s |
| Afternoon (25 Sep) | 5ft (1.6m) | 13s |
| Evening (25 Sep) | 4.5ft (1.3m) | 13s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Warm (max 26°C on Sat afternoon, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 24 | Friday 25 | Saturday 26 | ||||||||||||||||
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 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 1822 | 1603 | 1556 | 1391 | 1271 | 1245 | 1064 | 875 | 649 | 551 | 434 | 342 | 273 | 217 | 196 | 149 | 112 | 110 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | glassy | cross | cross-off | cross-off | cross-off |
High Tide | 11:51PM0.94m | 2:59PM0.91m | 1:28AM0.95m | 3:43PM0.91m | ||||||||||||||
Low Tide | 6:52PM0.20m | 7:22AM-0.03m | 7:44PM0.17m | 8:15AM-0.02m | 8:35PM0.13m | |||||||||||||
 |  | |  |  | | | |  | | | | | | | | | | |
 | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 19 | 19 | 19 | 20 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 23 | 24 | 26 | 23 | 24 |
Feels °C | 19 | 20 | 19 | 20 | 20 | 20 | 23 | 23 | 21 | 21 | 23 | 23 | 23 | 26 | 25 | 27 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
| kJ | 1822 | 1603 | 1556 | 1391 | 1271 | 1245 | 1064 | 875 | 649 | 551 | 434 | 342 | 273 | 217 | 196 | 149 | 112 | 110 |
Swell 2 Height (m) Direction Period (s) | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 5 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 9 | ESE 7 |
| kJ | 27 | 58 | 56 | 77 | 75 | 18 | 50 | 18 | 18 | 18 | 72 | 59 | 48 | 38 | 30 | 26 | 15 | 38 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | ESE 7 | — | E 10 | — | ESE 10 | — | — | — | — | — | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | — | ESE 9 |
| kJ | 10 | 18 | — | 71 | — | 32 | — | — | — | — | — | 15 | 15 | 29 | 30 | 15 | — | 8 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 4 | ESE 5 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | E 6 | E 6 | — | — | — | — | ESE 7 | — |
| kJ | 174 | 164 | 159 | 159 | 25 | 21 | 33 | 55 | 71 | 83 | 138 | 99 | — | — | — | — | 43 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 12 | 0 | 0 | 0 | 0 | 34 | 34 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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