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Surf Forecasts:
Itaipu surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 8 pm Thursday 14 May 2026 -03Forecast update in hr min s Forecast update imminent
Itaipu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Itaipu sea temperature is
23.8° C
(Which is normal for this time of year)How big are the waves at Itaipu today?
The current surf forecast for Itaipu at 4AM is: 2.0m 13s primary swell from a South direction (forecast issued at 08:00pm May 14). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 6ft (1.9m) | 13s |
| Afternoon (15 May) | 6ft (1.8m) | 13s |
| Evening (15 May) | 5.5ft (1.7m) | 12s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Sun afternoon. Warm (max 25°C on Sun afternoon, min 21°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sunday 17 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | |
1315 | 1463 | 1531 | 1401 | 1401 | 1245 | 1103 | 1070 | 1053 | 913 | 870 | 827 | 723 | 607 | 486 | 466 | 403 | 410 | 410 | 410 | 403 | 396 | 338 | 332 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | glassy | glassy | glassy | glassy | glassy | on | on | on | cross-on | cross-on | glassy | glassy | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | off | glassy | cross | cross | |
High Tide | 2:04AM0.92m | 2:26PM1.08m | 2:17AM0.88m | 3:15PM1.09m | 1:50AM0.86m | |||||||||||||||||||
Low Tide | 7:04PM-0.02m | 7:19AM-0.03m | 7:52PM0.03m | 8:03AM-0.09m | 8:38PM0.10m | 8:47AM-0.13m | ||||||||||||||||||
 | | | |  |  | | | | |  |  | | | | | | | | |  |  | | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — |
 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:17 |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 22 | 22 | 22 | 21 | 21 | 22 | 24 | 25 |
24 | 25 | 23 | 23 | 23 | 24 | 23 | 22 | 24 | 23 | 24 | 25 | 26 | 26 | 23 | 24 | 23 | 23 | 24 | 23 | 23 | 25 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 |
 kJ | 1315 | 1463 | 1531 | 1401 | 1401 | 1245 | 1103 | 1070 | 1053 | 913 | 870 | 827 | 723 | 607 | 486 | 466 | 403 | 410 | 410 | 410 | 403 | 396 | 338 | 332 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | E 7 | E 7 |
| kJ | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 1 | 1 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | SE 13 | ESE 13 | ESE 13 | ESE 14 | SE 14 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SE 12 | SE 12 |
| kJ | 7 | 17 | 18 | 18 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 3 | ENE 3 | E 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 2 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 0 | 0 | 0 | 0 | 0 | 110 | 133 | 48 | 48 | 12 | 0 | 0 | 0 | 34 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 34 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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