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Surf Forecasts:
Itaipu surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 8 am Tuesday 19 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
23.2° C
(Which is slightly cooler than normal)How big are the waves at Itaipu today?
The current surf forecast for Itaipu at 11AM is: 1.3m 8s primary swell from a South-southwest direction and 0.4m 13s secondary swell from a South direction, 0.6m 5s secondary swell from a Southwest direction (forecast issued at 08:00am May 19). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.7m) | 9s |
| Afternoon (19 May) | 5.5ft (1.7m) | 8s |
| Evening (19 May) | 3ft (0.9m) | 18s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 31mm), heaviest during Thu morning. Warm (max 22°C on Tue morning, min 19°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 14 | S 9 | SSW 8 | SW 8 | SSW 8 | S 18 | S 18 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 15 | S 15 | S 16 | S 16 | S 15 | S 15 | S 14 | |
92 | 79 | 234 | 353 | 362 | 520 | 1537 | 1812 | 2789 | 2683 | 2185 | 1918 | 1553 | 1155 | 991 | 1110 | 1604 | 1843 | 2197 | 2718 | 3434 | 3463 | 3281 | 3192 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | on | cross-on | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | |
High Tide | 5:45PM0.96m | 3:19AM0.94m | 6:43PM0.90m | 4:06AM0.95m | 7:49PM0.85m | |||||||||||||||||||
Low Tide | 10:19AM-0.15m | 10:52PM0.34m | 11:10AM-0.11m | 11:39PM0.38m | 12:05PM-0.06m | 00:31AM0.39m | ||||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | | | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | 6:20 |
 | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | 5:15 |
— | — | — | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 2 | 2 | 4 | 2 | 1 | — | — | — | |
Temp °C | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 |
23 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 22 | 21 | 21 | 23 | 24 | 22 | 21 | 21 | 20 | 18 | 18 | 20 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | SW 6 | S 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 18 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 15 | S 15 | S 16 | S 16 | S 15 | S 15 | S 14 |
 kJ | 31 | 79 | 234 | 284 | 257 | 215 | 1537 | 1812 | 2789 | 2683 | 2185 | 1918 | 1553 | 1155 | 991 | 1110 | 1604 | 1843 | 2197 | 2718 | 3434 | 3463 | 3281 | 3192 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 13 | S 13 | S 13 | S 19 | S 18 | SSW 8 | S 8 | SE 12 | — | — | E 8 | SE 6 | SE 6 | SE 6 | SE 5 | E 8 | E 8 | SE 5 | E 8 | E 8 | — | — | — |
| kJ | 42 | 55 | 54 | 50 | 362 | 520 | 183 | 177 | 6 | — | — | 5 | 17 | 15 | 15 | 14 | 1 | 5 | 16 | 12 | 12 | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 14 | S 16 | S 16 | S 15 | S 15 | S 15 | — | — | — | — | — | — | — | E 8 | E 8 | E 8 | E 8 | E 7 | E 8 | — | — | — | — | — |
| kJ | 92 | 46 | 45 | 72 | 104 | 267 | — | — | — | — | — | — | — | 1 | 1 | 1 | 5 | 4 | 5 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | W 5 | SW 8 | SSW 8 | SSW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 5 | — | — | — | — |
| kJ | 39 | 22 | 30 | 353 | 322 | 292 | — | — | — | — | — | — | — | — | — | — | — | — | — | 16 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 106 | 48 | 110 | 210 | 210 | 110 | 102 | 48 | 20 | 5 | 5 | 48 | 48 | 24 | 5 | 0 | 90 | 34 | 12 | 34 | 121 | 121 | 12 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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