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Surf Forecasts:
Itaipu surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 2 pm Sunday 31 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
23.3° C
(Which is normal for this time of year)How big are the waves at Itaipu today (31 May):
- Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.4m), 10s period with SSE swell.
- Evening surf: Evening surf (31 May, local time) - 4.5ft (1.3m), 10s period with SSE swell.
The current surf forecast for Itaipu at 9PM is: 1.3m 10s primary swell from a South-southeast direction and 0.9m 6s secondary swell from a Southwest direction, 1.1m 6s secondary swell from a Southwest direction (forecast issued at 02:00pm May 31). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | - | - |
| Afternoon (31 May) | 4.5ft (1.4m) | 10s |
| Evening (31 May) | 4.5ft (1.3m) | 10s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Mon night. Warm (max 22°C on Sun afternoon, min 18°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 11 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 10 | S 10 | SSE 10 | S 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SE 9 | SE 9 | SE 9 | S 6 | SE 8 | |
516 | 435 | 363 | 363 | 461 | 452 | 284 | 183 | 186 | 157 | 209 | 116 | 168 | 175 | 175 | 145 | 145 | 126 | 119 | 83 | 64 | 79 | 84 | 142 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | cross-on | cross | cross | cross | on | cross-on | cross-on | cross-on | glassy | cross-on | on | cross-on | on | on | on | on | cross | cross-off | cross-off | glassy | |
High Tide | 2:49PM0.99m | 1:23AM0.96m | 3:04PM0.97m | 2:00AM0.97m | 3:26PM0.94m | 2:42AM0.97m | ||||||||||||||||||
Low Tide | 8:29PM0.14m | 8:46AM-0.14m | 9:13PM0.17m | 9:31AM-0.11m | 9:58PM0.21m | |||||||||||||||||||
 | |  | |  | | | | |  |  |  |  | | |  | | | | | | | |  | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — |
 | — | 5:14 | — | — | — | — | — | — | — | 5:14 | — | — | — | — | — | — | — | 5:14 | — | — | — | — | — | 5:14 |
— | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 1 | |
Temp °C | 22 | 22 | 22 | 21 | 21 | 20 | 19 | 20 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 20 | 19 | 18 | 18 |
20 | 19 | 21 | 21 | 22 | 21 | 19 | 21 | 22 | 22 | 22 | 21 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 22 | 21 | 19 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | S 11 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 10 | S 10 | SSE 10 | S 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SE 9 | S 7 | SSW 7 | S 6 | S 7 |
 kJ | 516 | 435 | 363 | 363 | 461 | 452 | 284 | 183 | 186 | 157 | 209 | 116 | 168 | 175 | 175 | 145 | 145 | 126 | 119 | 83 | 48 | 47 | 84 | 138 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | — | SW 6 | SW 6 | S 17 | S 10 | SSW 10 | SSE 10 | S 9 | S 9 | SSE 11 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | SE 9 | SE 9 | SE 8 | SE 9 |
| kJ | 1 | 1 | — | 47 | 38 | 5 | 96 | 170 | 85 | 63 | 61 | 81 | 42 | 42 | 41 | 39 | 38 | 24 | 23 | 49 | 64 | 79 | 35 | 36 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 16 | S 16 | S 16 | SE 12 | SSE 12 | E 6 | S 10 | E 6 | E 6 | E 6 | E 6 | S 9 | E 6 | E 6 | E 6 | SSE 11 | SE 11 | E 6 | E 6 |
| kJ | — | — | — | — | — | 5 | 5 | 5 | 38 | 57 | 3 | 47 | 3 | 1 | 1 | 3 | 6 | 1 | 1 | 1 | 12 | 5 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 5 | SW 6 | SW 6 | SW 5 | — | SW 5 | — | — | SSW 3 | — | — | — | — | — | — | — | SSW 4 | — | — | — | — | SE 8 |
| kJ | 9 | 24 | 43 | 67 | 58 | 49 | — | 25 | — | — | 3 | — | — | — | — | — | — | — | 5 | — | — | — | — | 142 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 210 | 210 | 210 | 110 | 20 | 5 | 5 | 5 | 102 | 102 | 110 | 102 | 0 | 48 | 48 | 20 | 102 | 102 | 102 | 5 | 5 | 0 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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