Itaipu surfForecast / Rio de Janeiro / Brazil

information circle12 Day Weather and Surf, issued 2 pm Saturday 13 Dec 2025 -03
Forecast 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
25.7° C
(Which is 1.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Itaipu this week:

The surf forecast for Itaipu over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 13) at 9PM. The primary swell is predicted to be 1.1m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Itaipu in the next 12 days are 2.5m 8s and forecast to arrive on Wednesday (Dec 17) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 7s period and expected on Monday (Dec 15) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sat 13th Dec)3.5ft (1.1m) 10s
Best Surf 9PM (Sat 13th Dec)3.5ft (1.1m) 10s
Most Powerful 9AM (Wed 17th Dec)8ft (2.5m) 8s

Table - best surf conditions forecast for Itaipu over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 16mm), heaviest on Sat night. Warm (max 30°C on Tue morning, min 23°C on Sat afternoon). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 39mm), heaviest during Tue night. Warm (max 30°C on Tue afternoon, min 20°C on Thu night). Mainly fresh winds.

Sat
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
0
0
1
1
1
0
1
0
0
0
0
0
1
1
0
2
2
2
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.2
S
1.1
S
0.9
S
0.8
S
0.7
S
0.6
S
0.6
S
0.6
SSE
0.5
S
0.4
SSE
0.4
SSE
2.5
SSW
2.1
S
1.7
S
1.3
SSW
1.2
SSW
1.1
SSW
0.9
SSW
1
S
0.8
SSW
0.7
SSW
Period(s) (?)101010101091099910888109109111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2902441591259463706944293174959737331525425013824214198
Wind
(km/h)
20
NNE
15
W
10
NW
5
NW
5
NE
5
SSW
15
SE
10
NNW
15
N
0
SSW
15
SW
25
SSW
20
S
10
SE
10
SE
10
SSE
10
NNE
0
NNE
10
E
5
NNE
5
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
on
crossglassoffglasscrosscross-
off
cross-
off
glassoncross-
on
cross-
on
crosscrosscross-
on
offglasscross-
off
cross-
off
glass
High Tide
/ height (m)
10:27PM
0.94
10:57AM
0.92
11:21PM
0.97
11:25AM
0.94
12:07AM
1.00
11:36AM
0.95
12:47AM
1.01
11:37AM
0.95
1:21AM
1.01
11:57AM
0.96
1:44AM
0.99
12:28PM
0.98
1:59AM
0.97
Low Tide
/ height (m)
3:25PM
0.15
3:53AM
0.08
4:16PM
0.06
4:41AM
0.07
5:02PM
-0.03
5:26AM
0.07
5:46PM
-0.09
6:10AM
0.08
6:28PM
-0.14
6:53AM
0.10
7:10PM
-0.16
7:35AM
0.12
7:53PM
-0.15
8:19AM
0.16
Sat
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Sunrise--5:00--5:00--5:01--5:01--5:01--5:01--5:03
Sunset6:31--6:31--6:32--6:32--6:34--6:34--6:35--
rain showers
mod rain
light rain
part cloud
part cloud
clear
rain showers
rain showers
part cloud
part cloud
thunderstorm
light rain
light rain
part cloud
part cloud
cloud
rain showers
part cloud
part cloud
clear
clear
Rain (mm)
191---23--3611---1----
Temp. °C262526282526262530302623232322222023232225
Feels °C (?)292829322829282832342821212221212124242325
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Itaipu Surf forecast

The above surf forecast table for Itaipu provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Itaipu can be found by selecting the local surf guide option on the grey menu. Our Itaipu surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Itaipu) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Itaipu may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Rio de Janeiro? If you are looking for accommodation near Itaipu, camping, hotels and holiday cottages in Rio de Janeiro, consider staying in Niteroi which is 11 km (7 miles) away. Other places in and around Rio de Janeiro where you can find information about places to rent, and car hire include Sao Goncalo which is 18 km (11 miles) away, Marica, Rio de Janeiro and Itaborai.

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