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Surf Forecasts:
Itaipu surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 2 pm Saturday 16 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
23.1° C
(Which is slightly cooler than normal)How big are the waves at Itaipu today?
The current surf forecast for Itaipu at 9PM is: 1.3m 11s primary swell from a South direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00pm May 16). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | - | - |
| Afternoon (16 May) | 4.5ft (1.4m) | 11s |
| Evening (16 May) | 4.5ft (1.3m) | 11s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Sun afternoon. Warm (max 25°C on Mon afternoon, min 21°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 15 | S 15 | S 14 | S 14 | SSW 9 | |
486 | 466 | 403 | 410 | 410 | 410 | 410 | 338 | 338 | 332 | 279 | 274 | 223 | 214 | 167 | 127 | 125 | 92 | 90 | 72 | 68 | 103 | 92 | 110 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-off | off | off | glassy | off | glassy | cross | cross-on | cross-on | on | cross-on | cross-off | cross | glassy | on | glassy | cross-off | glassy | glassy | on | on | on | |
High Tide | 3:15PM1.09m | 1:50AM0.86m | 4:04PM1.07m | 2:07AM0.88m | 4:53PM1.03m | 2:39AM0.91m | ||||||||||||||||||
Low Tide | 8:38PM0.10m | 8:47AM-0.13m | 9:23PM0.19m | 9:32AM-0.15m | 10:07PM0.27m | |||||||||||||||||||
 | |  | | | | |  | |  |  |  | | | |  | | |  | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — |
 | — | 5:17 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | 5:16 |
— | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 23 | 23 | 23 | 25 | 24 | 23 | 22 | 22 | 22 |
24 | 24 | 25 | 24 | 23 | 24 | 23 | 24 | 24 | 25 | 22 | 22 | 22 | 21 | 24 | 26 | 23 | 26 | 27 | 27 | 27 | 23 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | SSW 9 |
 kJ | 486 | 466 | 403 | 410 | 410 | 410 | 410 | 338 | 338 | 332 | 279 | 274 | 223 | 214 | 167 | 127 | 125 | 92 | 90 | 65 | 64 | 62 | 63 | 110 |
Swell 2 Height (m) Direction Period (s) | E 8 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | E 7 | E 4 | E 4 | E 7 | S 19 | — | S 17 | S 16 | S 16 | SSW 5 | SSW 5 | S 14 | SSW 6 | S 13 |
| kJ | 1 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 7 | — | 22 | 21 | 45 | 15 | 13 | 103 | 21 | 55 |
Swell 3 Height (m) Direction Period (s) | SE 13 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SE 12 | SE 12 | SE 12 | E 7 | E 7 | S 19 | E 7 | S 19 | — | — | E 7 | S 15 | S 15 | SSW 5 | S 14 | S 16 |
| kJ | 7 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 6 | 5 | 1 | 1 | 7 | 1 | 7 | — | — | 4 | 72 | 68 | 10 | 92 | 46 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | ENE 7 | — | — | — | — | WSW 3 | ENE 4 | ENE 4 | — | W 3 | SW 3 | SW 4 | SW 5 | — | — | SW 5 | SW 5 |
| kJ | — | — | — | — | — | — | — | 5 | — | — | — | — | 3 | 2 | 2 | — | 4 | 2 | 8 | 28 | — | — | 34 | 23 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 172 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 34 | 78 | 48 | 20 | 5 | 5 | 0 | 48 | 0 | 0 | 0 | 0 | 55 | 48 | 48 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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