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Surf Forecasts:
Itaipu surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 2 pm 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 9PM is: 0.9m 18s primary swell from a South direction and 1.4m 8s secondary swell from a South-southwest direction (forecast issued at 02:00pm May 19). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| Afternoon (19 May) | 5ft (1.5m) | 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 27mm), heaviest during Thu morning. Warm (max 22°C on Tue afternoon, min 19°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 8 | SSW 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 15 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | |
234 | 284 | 362 | 520 | 1537 | 1812 | 2789 | 2683 | 2155 | 1918 | 1519 | 1275 | 1237 | 1110 | 1626 | 1869 | 2197 | 2648 | 3434 | 3510 | 3281 | 3192 | 2927 | 2452 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | glassy | glassy | cross-off | cross-off | |
High Tide | 5:45PM0.96m | 3:19AM0.94m | 6:43PM0.90m | 4:06AM0.95m | 7:49PM0.85m | 5:01AM0.95m | ||||||||||||||||||
Low Tide | 10:19AM-0.15m | 10:52PM0.34m | 11:10AM-0.11m | 11:39PM0.38m | 12:05PM-0.06m | 00:31AM0.39m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — |
 | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | 5:15 |
— | 1 | 1 | 1 | — | 1 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 2 | 1 | 1 | — | — | — | — | |
Temp °C | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 |
21 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 22 | 24 | 24 | 22 | 22 | 21 | 21 | 20 | 18 | 18 | 19 | 20 | 20 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | SSW 8 | S 13 | 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 15 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 |
 kJ | 234 | 50 | 257 | 232 | 1537 | 1812 | 2789 | 2683 | 2155 | 1918 | 1519 | 1275 | 1237 | 1110 | 1626 | 1869 | 2197 | 2648 | 3434 | 3510 | 3281 | 3192 | 2927 | 2452 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 15 | S 19 | S 18 | SSW 8 | S 8 | SE 12 | — | — | E 8 | E 8 | E 8 | E 8 | SE 5 | E 8 | E 8 | SE 5 | E 8 | E 8 | — | — | — | — | S 18 |
| kJ | 54 | 72 | 362 | 520 | 207 | 177 | 6 | — | — | 5 | 5 | 1 | 5 | 10 | 5 | 5 | 13 | 5 | 5 | — | — | — | — | 408 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 20 | S 15 | S 15 | SE 12 | — | — | — | — | — | — | — | — | E 8 | — | — | E 8 | — | — | — | — | — | — | E 9 |
| kJ | 45 | 124 | 104 | 267 | 6 | — | — | — | — | — | — | — | — | 1 | — | — | 5 | — | — | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | W 5 | SSW 8 | SSW 8 | — | — | — | — | — | — | — | — | — | — | — | — | SSE 5 | — | SSE 5 | — | — | — | — | — | — |
| kJ | 30 | 284 | 336 | — | — | — | — | — | — | — | — | — | — | — | — | 17 | — | 17 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 210 | 210 | 110 | 102 | 102 | 20 | 20 | 20 | 5 | 20 | 110 | 12 | 34 | 102 | 102 | 102 | 121 | 121 | 121 | 5 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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