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Surf Forecasts:
Itaipu surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 am Monday 18 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
22.7° C
(Which is normal for this time of year)How big are the waves at Itaipu today?
The current surf forecast for Itaipu at 7AM is: 0.5m 10s primary swell from a South direction (forecast issued at 02:00am May 18). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 1.5ft (0.5m) | 10s |
| Afternoon (18 May) | 2.5ft (0.8m) | 10s |
| Evening (18 May) | 3ft (0.9m) | 15s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Mon night. Warm (max 24°C on Mon morning, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 10 | S 10 | S 10 | S 10 | S 10 | SSW 10 | SSE 10 | S 15 | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 18 | SSE 17 | SSE 16 | S 16 | SSE 15 | S 14 | S 14 | S 14 | S 13 | S 13 | |
80 | 75 | 52 | 50 | 49 | 125 | 31 | 343 | 183 | 207 | 273 | 138 | 138 | 153 | 422 | 632 | 758 | 1117 | 857 | 802 | 674 | 529 | 427 | 335 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | glassy | |
High Tide | 2:58AM1.01m | 3:57PM1.21m | 3:29AM1.00m | 4:41PM1.11m | 4:02AM0.98m | 5:27PM0.99m | ||||||||||||||||||
Low Tide | 10:09PM0.38m | 9:49AM0.09m | 10:55PM0.50m | 10:29AM0.12m | 11:42PM0.62m | 11:20AM0.19m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — |
 | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — |
— | — | 1 | — | — | — | 1 | 3 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 22 | 22 | 24 | 24 | 22 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 20 | 20 |
24 | 23 | 23 | 25 | 25 | 22 | 19 | 19 | 18 | 19 | 18 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 20 | 21 | 21 | 22 | 21 | 23 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 16 | SSE 10 | — | SSE 14 | SSE 13 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 17 | SSE 16 | S 16 | SSE 15 | S 14 | S 14 | S 14 | S 13 | S 13 |
 kJ | 80 | 75 | 52 | 50 | 49 | 24 | 31 | — | 40 | 35 | 173 | 138 | 138 | 153 | 183 | 632 | 758 | 1117 | 857 | 802 | 674 | 529 | 427 | 335 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | WSW 3 | S 16 | S 16 | — | SSE 15 | E 7 | E 7 | S 16 | SSE 13 | SSE 13 | SSE 20 | SSE 19 | SSE 18 | S 8 | S 8 | SE 7 | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 |
| kJ | 1 | 1 | 1 | 5 | 5 | — | 21 | 1 | 1 | 5 | 17 | 34 | 38 | 124 | 422 | 98 | 72 | 44 | 44 | 35 | 26 | 24 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | E 7 | S 18 | S 17 | E 7 | SE 4 | E 7 | — | E 7 | S 11 | E 7 | S 16 | S 21 | SSE 15 | SSE 15 | S 14 | SE 7 | SE 7 | — | E 7 | — | — | — | — | — |
| kJ | 1 | 6 | 6 | 1 | 1 | 1 | — | 1 | 2 | 1 | 20 | 9 | 22 | 42 | 153 | 54 | 51 | — | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 2 | WSW 3 | — | — | SW 3 | SSW 10 | SSW 4 | S 15 | S 7 | S 8 | S 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 3 | — | — | 2 | 125 | 15 | 343 | 183 | 207 | 273 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 7 | 27 | 145 | 113 | 43 | 41 | 4 | 4 | 0 | 23 | 12 | 7 | 0 | 12 | 12 | 0 | 12 | 21 | 20 | 50 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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